899 - ENVIRONMENTAL SERVICES  
   

899 2
   Environmental Compliance ServicesServices to include, but not limited to: Environmental Compliance Audits; Compliance Management and/or Contingency Planning; Permitting; Spill Prevention/Control and Countermeasure Plans; Pollution Prevention Surveys; ISO 14000/ Environmental Management Systems (EMS); and, Community Right to-Know Act reporting.
 
Contractor Contract # Website Email Phone City State Country Socio-Economic Indicators (only relative codes will appear for a contract)
Small
Business
Other
than
small
Business
Woman
Owned
business
Veteran
Owned
Small
business
Service
Disabled
Veteran
Owned
Small
business
SBA
Certified
Small
Disadvantaged
business
SBA
Certified
8(a)
Firm
SBA
Certified
HUBZone
Firm
4 LEAF INC GS-10F-0334U http://www.4leafinc.com mvakalahi@4leafinc.com (925)462-5959 PLEASANTON CA
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A H ENVIRONMENTAL CONSULTANTS IN GS-10F-0034K http://www.ahenv.com smcnamara@ahenv.com (757)873-4959 NEWPORT NEWS VA
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A.I.S., INC. GS-10F-0131T http://www.aisobservers.com arvidas@aisobservers.com (508)990-9054 NEW BEDFORD MA
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AARCHER INC GS-10F-0451M http://www.aarcherinc.com cschwartz@aarcherinc.com 410-897-9100 ext 103 ANNAPOLIS MD
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ABT ASSOCIATES INC GS-10F-0146L http://www.abtassociates.com/Page.cfm?PageID=18510&ContractID=31 Sharon_Christenson@abtassoc.com (617)349-2857 CAMBRIDGE MA
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ACTIVE ENVIRONMENTAL TECHNOLOGIE GS-10F-0297U HTTP://www.active-env.com bhughes@active-env.com (609)702-1500 MOUNT HOLLY NJ
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ADELAIDE ENVMTL HLTH ASSOC GS-10F-0080V http://www.adelaidellc.com ssoter@adelaidellc.com (845)278-7710 BREWSTER NY
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ADELANTE CONSULTING, INC. GS-10F-0601P http://www.adelanteconsulting.com info@adelanteconsulting.com (505)920-4150 SANTA FE NM
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ADVANCED ENVIRONMENTAL SERV INC GS-10F-0039S http://www.advservicesinc.com joe@advservicesinc.com (800)850-8680 MISSION VIEJO CA
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ADVANCED ENVIRONMENTAL SOLUTIONS GS-10F-0111N http://www.advancedenvironmental.org B.Picard@advancedenvironmental.org (508)363-4882 WORCESTER MA
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ADVANCED TECHNOLOGIES AND LABORA GS-10F-0032K http://atlintl.com awelfare@atlintl.com (301)515-6785 GERMANTOWN MD
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ADVENT ENVIRONMENTAL, INC. GS-10F-0365N http://www.adventenv.com jcsmoak@adventenv.com (843)388-3891 MOUNT PLEASANT SC
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AECOM USA, INC. GS-10F-0282N http://entranco.com danderson@entranco.com (617)371-4494 NEW YORK NY
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AECOM, INC. GS-10F-0115K http://www.ensr.com bboutin@ensr.aecom.com (215)757-4900 HORSHAM PA
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AEHS INCORPORATED GS-10F-0227R http://www.aehs-sa.com rmbishop@aehs-sa.com (210)656-9300 SAN ANTONIO TX
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AEROSOL MONITORING & ANALYSIS GS-10F-0386K http://www.amaconsulting.com cryan@amaconsulting.com (410)684-3327 HANOVER MD
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AEROSTAR ENVIRONMENTAL SERVICES, GS-10F-0597P http://www.aerostar.net lcarrero@aerostar.net (904)565-2820 JACKSONVILLE FL
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AEW ENGINEERING INC GS-10F-0519N http://www.aewe.com marticieslik@aewe.com (402)933-3981 BELLEVUE NE
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AGEISS INC. GS-10F-0091K http://WWW.AGEISS.COM JeffL@ageiss.com (303)674-5059 EVERGREEN CO
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AGRARIAN RESEARCH & MANAGEMENT C GS-10F-0175T http://www.agrarian.org carla@agrarian.org (760)873-0011 BISHOP CA
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AGREN INC GS-10F-0476R http://www.agren-inc.com stan@agren-inc.com (712)792-6248 CARROLL IA
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AGUATIERRA ASSOCIATES, INC GS-10F-0167M http://www.weiss.com gmm@weiss.com (510)450-6000 EMERYVILLE CA
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AHTNA GOVERNMENT SERVICES CORPOR GS-10F-0223R http://www.ahtnagov.com jsaites@ahtnagov.com (916)372-2000 ANCHORAGE AK
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AIKEN GLOBAL GROUP, LLC GS-10F-0563N http://www.aikenglobal.com acaiken@aikenglobal.com (404)684-7172 ATLANTA GA
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AIR RESOURCE SPECIALISTS, INC. GS-10F-0046U http://www.air-resource.com/ environmentalss@air-resource.com (970)484-7941 FORT COLLINS CO
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ALAN PLUMMER AND ASSOCIATES, INC GS-10F-0307S http://www.apaienv.com jaltstaetter@apaienv.com (817)284-2723 FORT WORTH TX
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ALION - JJMA CORPORATION GS-10F-0044K http://www.jjma.com hwiggins@jjma.com (703)259-5168 ALEXANDRIA VA
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ALISTO ENGINEERING GROUP, INC. GS-10F-0080M http://www.alisto.com asevilla@alisto.com (925)279-5000 WALNUT CREEK CA
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ALPHA-GAMMA TECHNOLOGIES, INC. GS-10F-0233S http://www.alpha-gamma.com dkoch@alpha-gamma.com (919)954-0033 RALEIGH NC
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ALPINE GEOPHYSICS LLC GS-10F-0089M http://www.alpinegeophysics.com slm@alpinegeophysics.com (303)425-5495 ARVADA CO
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ALTERNATIVE ENVIRONMENTAL SOLUTI GS-10F-0459R http://WWW.ALTENV.COM JWARD@ALTENV.COM (717)517-5000 LANCASTER PA
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AMBIENT ENGINEERING INC GS-10F-0354S http://www.ambient-engineering.com tjstevenson@ambient-engineering.com 978-369-8188 x12 CONCORD MA
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AMDYNE CORPORATION GS-10F-0047K http://www.amdyne.com youngr@amdyne.com (410)768-5206 GLEN BURNIE MD
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AMEC EARTH & ENVIRONMENTAL, INC. GS-10F-0230J http://www.amec.com lisa.dwyer@amec.com (858)300-4312 SAN DIEGO CA
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AMEC GEOMATRIX , INC. GS-10F-0011P www.amecgeomatrixinc.com Yolanda.Harden@amec.com (510)663-4160 OAKLAND CA
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AMI GROUP, INC. GS-10F-0042P http://www.amienvironmental.com DANGELLOZ@AMIENVIRONMENTAL.COM (402)397-5001 OMAHA NE
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AMY S GREENE ENVIRONMENTAL CONSU GS-10F-0002T http://www.amygreene.com amygreene@amygreene.com (908)788-9676 FLEMINGTON NJ
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ANALYTICAL QUALITY ASSOCIATES, I GS-10F-0408N http://www.aqainc.net kanoland@aol.com (970)464-4914 ALBUQUERQUE NM
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ANALYTICAL SERVICES INCORPORATED GS-10F-0095J http://www.asincorp.com jkruft@asincorp.com (410)312-3535 COLUMBIA MD
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APPLIED ENVIRONMENTAL MANAGEMENT GS-10F-0201S http://www.aemurphy.com traciegrant@comcast.net (801)707-5382 WOODS CROSS UT
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APPLIED ENVIRONMENTAL, INC. GS-10F-0036R http://www.appenv.com feberle@appenv.com (703)648-0822 HERNDON VA
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APPLIED ENVIROSOLUTIONS INC GS-10F-0324S http://www.aesaz.com marting@aesaz.com (480)839-7000 TEMPE AZ
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APPLIED RESEARCH ASSOCIATES, INC GS-10F-0195P http://www.ara.com/ lbost@ara.com (505)881-8074 ALBUQUERQUE NM
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APPLIED SCIENCE ASSOCIATES INC GS-10F-0438R http://www.appsci.com lnolan@appsci.com (401)789-6224 NARRAGANSETT RI
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AQUA-TERR LLC GS-10F-0215K http://www.aqua-terr.com lsunderwood@aqua-terr.com (620)767-6974 COUNCIL GROVE KS
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ARC ENVIRONMENTAL, INC. GS-10F-0007S http://www.arcenvironmental.com mstrootman@arcenvironmental.com (410)659-9971 BALTIMORE MD
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ARCADIS U.S., INC. GS-10F-0266K http://www.arcadis-us.com van.sands@arcadis-us.com (720)344-3792 HIGHLANDS RANCH CO
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ARCHAEOLOGICAL CONSULTING SERVIC GS-10F-0224P http://www.acstempe.com gsa@acstempe.com (480)894-5477 TEMPE AZ
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AREVA NP INC GS-00F-0057M http://www.areva-np.com vickie.kellogg@areva.com (704)805-2124 CHARLOTTE NC
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ARM ENVIRONMENTAL SERVICES INC GS-10F-0201N http://www.armenv.com awilson@armenv.com (803)783-3314 COLUMBIA SC
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ARMSTRONG ENVIRONMENTAL, PC GS-10F-0264N http://armgeoeng@mindspring.com armgeoeng@mindspring.com (919)838-9933 RALEIGH NC
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ARTHUR LANGHUS LAYNE - L.L.C. GS-10F-0119K http://www.all-llc.com darthur@all-llc.com (918)382-7581 TULSA OK
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ASCI CORPORATION GS-10F-0062M http://www.ascicorp.com eileenb@ascicorp.com (703)847-0000 MC LEAN VA
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ASM AFFILIATES INC GS-10F-0373N http://asmaffiliates.com jrcook@asmaffiliates.com (760)804-5757 CARLSBAD CA
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ASW ASSOCIATES, INC. GS-10F-0072U http://WWW.AIRSOILWATER.COM JMULLINS@AIRSOILWATER.COM (402)488-3983 LINCOLN NE
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ATC GROUP SERVICES INC GS-10F-0458N http://www.atcassociates.com tim.swanson@atcassociates.com 212-353-8280 x216 WOBURN MA
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ATLANTA ENVIRONMENTAL MANAGEMENT GS-10F-0135M http://www.aem-net.com shamay-jordan@aem-net.com (404)329-9006 ATLANTA GA
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AVANTI CORPORATION GS-10F-0308P http://www.avanticorporation.com lynnp@avanticorporation.com (703)876-0755 ALEXANDRIA VA
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AYRES ASSOCIATES INC. GS-10F-0517N http://www.AyresAssociates.com PulseT@AyresAssociates.com (800)666-3103 EAU CLAIRE WI
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BAE SYSTEMS SCIENCE & TECHNOLOGY GS-10F-0170J http://www.mtctechnologies.com gary.vangorder@mtctechnologies.com (937)252-9199 DAYTON OH
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BANC 3, INC. GS-10F-0161R http://www.banc3.com babucherukuri@banc3.com (609)448-6776 CRANBURY NJ
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BAT ASSOCIATES, INC. GS-10F-0123L http://www.batassociates.com admin@batassociates.com (770)242-3908 NORCROSS GA
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BATTA ENVIRONMENTAL ASSOCIATES, GS-10F-0004T http://www.battaenv.com neeraj@battaenv.com (302)737-3376 NEWARK DE
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BATTELLE MEMORIAL INSTITUTE GS-10F-0275K http://www.battelle.org/gsa POLLOCKCA@BATTELLE.ORG (614)424-6151 COLUMBUS OH
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BB & E LLC GS-10F-0103N http://www.bbande.com dbarber@bbande.com (248)489-9636 FARMINGTON HILLS MI
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BC TECHNOLOGIES LTD LLC GS-10F-0032R http://www.bctechnologies.org bctechnologies@qwest.net (307)742-5651 LARAMIE WY
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BCI ENGINEERS & SCIENTISTS, INC. GS-10F-0364P http://www.bcieng.com rpowers@bcieng.com (863)667-2345 LAKELAND FL
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BECHTEL-S CORPORATION GS-10F-0115S http://www.bechtel-s.com aweinberg@austin.rr.com (512)326-3223 AUSTIN TX
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BEM SYSTEMS, INC. GS-10F-0229K http://hmandell@bemsys.com hmandell@bemsys.com (908)598-2600 CHATHAM NJ
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BERGER, LOUIS GROUP INC, THE GS-00F-0004L http://www.louisberger.com eedwards@louisberger.com (202)303-2703 WASHINGTON DC
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BERNER CONSTRUCTION, INCORPORATE GS-10F-0200U http://www.bernerconstruction.com andrea.irey@bernerconstruction.com (717)442-3110 GAP PA
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BHATE ENVIRONMENTAL ASSOCIATES, GS-10F-0312K http://www.bhate.com NKANTOR@BHATE.COM (205)918-4004 BIRMINGHAM AL
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BHE ENVIRONMENTAL, INC. GS-10F-0470M http://www.bheenvironmental.com dhouston@bheenvironmental.com (513)326-1500 CINCINNATI OH
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BMT DESIGNERS & PLANNERS, INC. GS-10F-0316K http://www.dandp.com greid@dandp.com (703)920-7070 ARLINGTON VA
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BMT ENTECH INC GS-10F-0099K http://www.bmt-entech.com dmorrill@bmt-entech.com (703)442-0417 HERNDON VA
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BOOZ ALLEN HAMILTON INC. GS-10F-0090J http://www.bah.com barton_bill@bah.com (703)377-1553 MCLEAN VA
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BPC GROUP INC GS-10F-0349T http://www.bpcgi.com bpanigrahi@bpcgi.com (407)851-5020 ORLANDO FL
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BRATSLAVSKY CONSULTING ENGINEERS GS-10F-0034V http://mail@bce-ak.com mail@bce-ak.com (907)272-5264 ANCHORAGE AK
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BREGMAN & CO INC GS-10F-0213K http://www.bregmanandcompany.com jackie@bregmanandcompany.com (301)963-1949 GAITHERSBURG MD
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BRINKERHOFF ENVIRONMENTAL SERVIC GS-10F-0422P http://www.brinkenv.com jheritage@brinkenv.com (732)223-2225 MANASQUAN NJ
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BROWN AND CALDWELL GS-10F-0101L http://www.brownandcaldwell.com jtrue@brwncald.com (916)853-5356 RANCHO CORDOVA CA
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BROWN, BURDINE & ASSOCIATES, LLC GS-10F-0352U http://www.brown-burdine.com richard@brown-burdine.com (850)243-0072 FORT WALTON BEACH FL
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BT2, INC. GS-10F-0131L http://www.bt2inc.com mbull@bt2inc.com 608-224-2828 X224 MADISON WI
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BUCHER, WILLIS & RATLIFF CORPORA GS-10F-0247T http://www.bwrcorp.com ddreiling@bwrcorp.com (816)363-2696 KANSAS CITY MO
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BURLESON CONSULTING INC GS-10F-0277R http://www.burlesonconsulting.com NB@BURLESONCONSULTING.COM (916)984-4651 FOLSOM CA
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C SQUARED, LLC GS-10F-0359P http://www.csquaredllc.com dkennemore@csquaredllc.com (505)757-7081 ROWE NM
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C. H. GUERNSEY & COMPANY GS-00F-0067N http://www.chguernsey.com karen.davis@chguernsey.com (405)416-8155 OKLAHOMA CITY OK
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CABRERA SERVICES INC GS-10F-0360N http://www.cabreraservices.com aurban@cabreraservices.com (860)569-0095 EAST HARTFORD CT
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CADMUS GROUP, INC. THE GS-10F-0105J http://WWW.CADMUSGROUP.COM CHITCHCOCK@CADMUSGROUP.COM (617)673-7000 WATERTOWN MA
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CALIBRE SYSTEMS INC GS-10F-0182M http://WWW.CALIBRESYS.COM CONTRACTS@CALIBRESYS.COM (703)797-8500 ALEXANDRIA VA
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CALICHE LTD GS-10F-0274K http://www.calicheltd.com drush@calicheltd.com (281)356-6038 MAGNOLIA TX
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CALIFORNIA HAZARDOUS SERVICES, I GS-10F-0366T http://www.calhaz.com rblankenship@calhaz.com (714)434-9995 SANTA ANA CA
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CAMBER CORPORATION GS-10F-0113N http://www.camber.com sjattuso@camber.com (256)922-0200 HUNTSVILLE AL
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CARNOW CONIBEAR & ASSOC., LTD. GS-10F-0151R http://ccaltd.com rchapp@ccaltd.com (312)762-2926 CHICAGO IL
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CAROTHERS ENVIRONMENTAL LLC GS-10F-0050R http://www.carothersenviro.com info@carotherserve.com (928)203-9930 SEDONA AZ
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CARTER & BURGESS, INC. GS-00F-0025M http://www.c-b.com LAURIE.CARTER@C-B.COM (817)735-2815 FORT WORTH TX
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CCI ENVIRONMENTAL CONSULTANTS IN GS-10F-0273M http://ccienvironmental.com ccienvironmental@qwestoffice.net (801)269-0550 SALT LAKE CITY UT
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CDM FEDERAL PROGRAMS CORPORATION GS-10F-0227J http://www.cdm.com ladddm@cdm.com (916)567-9900 SACRAMENTO CA
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CDW CONSULTANTS, INC GS-10F-0224R http://WWW.CDWCONSULTANTS.COM YCHO@CDWCONSULTANTS.COM (508)875-2657 FRAMINGHAM MA
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CENTRAL VIRGINIA LABORATORIES & GS-10F-0119M CVLC@AOL.COM (434)847-2852 FOREST VA
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CFEST INC GS-10F-0002S http://www.cfest.com skg@cfest.com (949)724-1696 IRVINE CA
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CH2M HILL, INC. GS-10F-0132K http://WWW.CH2M.COM rweddle@ch2m.com (916)920-0300 ENGLEWOOD CO
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CHEMONICS INTERNATIONAL INC GS-10F-0138P http://www.chemonics.com mtedeschi@chemonics.com0 (202)955-3300 WASHINGTON DC
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CIRCLEPOINT GS-00F-0012R http://www.circlepoint.com s.steinwert@circlepoint.com 415-227-1100 x132 SAN FRANCISCO CA
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CIRRUS ECOLOGICAL SOLUTIONS, L.C GS-10F-0164T http://www.cirruses.com sevans@cirruses.com (435)787-1490 LOGAN UT
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CITY DESIGN GROUP INC GS-10F-0143N citydesign@sbcglobal.net (314)241-9072 SAINT LOUIS MO
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CJ SETO SUPPORT SERVICES LLC GS-10F-0408R http://www.cjseto.com chetseto@cjseto.com (805)644-1214 VENTURA CA
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CLAMPETT INDUSTRIES LLC GS-10F-0141K http://www.emgbalt.com msmunter@emgbalt.com (800)733-0660 HUNT VALLEY MD
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CLANCY ENVIRONMENTAL CONSULTANTS GS-10F-0124S http://www.clancyenv.com jclancy@clancyenv.com (802)527-2460 SAINT ALBANS VT
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CLEAN HARBORS ENVIRONMENTAL SERV GS-10F-0270M http://www.cleanharbors.com shackleton.ken@cleanharbors.com (781)792-5370 NORWELL MA
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CLEAN WORLD ENGINEERING, LTD GS-10F-0439R http://www.clean-world.com sniaki@clean-world.com (630)260-0200 WHEATON IL
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COASTAL PLANNING & ENGINEERING I GS-10F-0129T http://www.coastalplanning.net nbeumel@coastalplanning.net (561)391-8102 BOCA RATON FL
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COMPLIANCE STRATEGIES & SOLUTION GS-10F-0107S http://www.cs2inc.com edrake@cs2inc.com (281)286-1861 HOUSTON TX
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CONCURRENT TECHNOLOGIES CORPORAT GS-10F-0153L http://www.businesscenter.ctc.com/ shriftr@ctc.com (360)782-5523 JOHNSTOWN PA
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CONFLUENCE CONSULTING, INC GS-10F-0427P http://www.confluenceinc.com jlovell@confluenceinc.com (406)585-9500 BOZEMAN MT
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CONSOLIDATED SAFETY SERVICES INC GS-10F-0126L http://www.consolidatedsafety.com mdunn@consolidatedsafety.com (703)691-4612 FAIRFAX VA
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CONSTRUCTION & CONSULTING ASSOCI GS-10F-0173N cdetore@ccis.net (610)383-1040 COATESVILLE PA
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CONVERSE PROFESSIONAL GROUP , TH GS-10F-0005S http://converseconsultants.com soneil@converseconsultants.com MONROVIA CA
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COYOTE CONSULTING, LLC GS-10F-0326P consultcoyote@cs.com (303)988-2263 EVERGREEN CO
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CROSSROADS ENVIRONMENTAL CONSULT GS-10F-0105U http://www.crossroadsenvironmental.com john@crossroadsenvironmental.com (772)223-5200 PALM CITY FL
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CSA INTERNATIONAL, INC. GS-10F-0443M http://www.conshelf.com rmulcahy@conshelf.com (772)219-3000 STUART FL
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CSC SYSTEMS & SOLUTIONS LLC GS-10F-0135K http://www.csc.com/industries/government/mds/mds1/336.shtml gwacservicecenter@csc.com (703)818-4816 CHANTILLY VA
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CTL/THOMPSON, INC. GS-10F-0448R http://www.ctlt.com mcleveland@ctlthompson.com (303)825-0777 ENGLEWOOD CO
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CULTURAL SITE RESEARCH AND MANAG GS-10F-0263R http://www.culturalsite.com dcomer@culturalsite.com (410)244-6320 BALTIMORE MD
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DADE MOELLER & ASSOCIATES, INC. GS-10F-0199L http://www.moellerinc.com dborders@moellerinc.com 509-946-0410 x286 RICHLAND WA
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DAVID EVANS AND ASSOCIATES, INC. GS-10F-0216L http://www.deainc.com swd@deainc.com (503)499-0547 PORTLAND OR
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DEWBERRY & DAVIS LLC GS-10F-0160K http://www.dewberry.com dbracey@dewberry.com (703)849-0245 FAIRFAX VA
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DIVERSIFIED TECHNOLOGY CONSULTAN GS-00F-0024L http://www.teamdtc.com barbara.bennett@teamdtc.com (203)239-4200 NORTH HAVEN CT
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DOLPHIN ENVIRONMENTAL LLC GS-10F-0443P DOLPHINENV@COX.NET (703)626-3015 FALLS CHURCH VA
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DOUGHERTY SPRAGUE ENVIRONMENTAL, GS-10F-0616P http://www.dsei.com cwdougherty@dsei.com (972)907-8666 RICHARDSON TX
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DOUGLAS W PETERS & ASSOCIATES, I GS-10F-0049N http://WWW.EHMLOU.COM DOUGLAS.W.PETERS@EHMLOU.COM (502)412-7110 LOUISVILLE KY
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DPRA INCORPORATED GS-00F-0030L http://gsa.dpra.com crit.parrott@dpra.com 865-777-3772 ext 211 KNOXVILLE TN
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DYNAMAC CORPORATION GS-00F-0029P http://www.dynamac.com kduncan@dynamac.com (301)417-6134 ROCKVILLE MD
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DYNAMIC CORPORATION, INC., THE GS-10F-0035L http://WWW.DYNAMICENGINEERS.COM EA@DynamicEngineers.com (202)269-3142 HYATTSVILLE MD
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DYNAMIC SOLUTIONS, LLC GS-10F-0527N http://www.dsllc.com cmwallen@dsllc.com (865)212-3331 KNOXVILLE TN
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E. ROBERTS ALLEY & ASSOCIATES, I GS-10F-0165R http://www.eralley.com ROBA@ERALLEY.COM (615)850-3495 NASHVILLE TN
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E2 CONSULTING ENGINEERS, INC. GS-10F-0192P http://www.e2.com vanessa.abston@e2.com (865)482-8433 DENVER CO
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E2 ENVIRONMENTAL,INC. GS-10F-0396N http://www@e2env.com klotz@e2env.com (949)453-8085 IRVINE CA
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EA ENGINEERING, SCIENCE, AND TEC GS-10F-0228J http://www.eaest.com blesinski@eaest.com (410)527-2447 HUNT VALLEY MD
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EAGAN, MCALLISTER ASSOCIATES, IN GS-10F-0270L http://emainc.com joanna_aguinaldo@emainc.com (301)863-2192 LEXINGTON PARK MD
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EARTH RESOURCES TECHNOLOGY, INC. GS-10F-0196R http://www.ertcorp.com benita.whitfield@ertcorp.com (301)361-0643 ANNAPOLIS JUNCTION MD
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EARTH TECH, INC. GS-10F-0209K http://www.earthtech.com phil.ufkes@earthtech.com (909)554-5060 LONG BEACH CA
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EASTERN RESEARCH GROUP, INC GS-10F-0036K http://www.erg.com/ laurie.morgan@erg.com (781)674-7310 LEXINGTON MA
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ECO & ASSOCIATES INC GS-10F-0371U http://www.ecoinc.info mfiuzat@ecoinc.info (714)289-0995 ORANGE CA
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ECOLOGICAL COMMUNICATIONS CORPOR GS-10F-0326N http://ecommcorporation.com vpalma@ecommcorporation.com (512)329-0031 AUSTIN TX
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ECOLOGIX GROUP INC GS-10F-0251T http://www.ecologixgroup.com gchmael@ecologixgroup.com (410)216-6006 ANNAPOLIS MD
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ECOLOGY & ENVIRONMENT, INC. GS-10F-0160J http://www.ene.com/ rking@ene.com (703)522-6065 ARLINGTON VA
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ECORP CONSULTING, INC GS-10F-0010P http://www.ecorpconsulting.com jstewart@ecorpconsulting.com (916)782-9100 ROCKLIN CA
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ECOSPHERE ENVIRONMENTAL SERVICES GS-10F-0462N http://www.ecosphere-services.com/ fitz@ecosphere-services.com (970)382-7256 DURANGO CO
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ECOSYSTEM MANAGEMENT AND ASSOC GS-10F-0148R http://www.ecosystem-management.net g.coelho@ecosystem-management.net (410)394-2929 LUSBY MD
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ECOSYSTEM MANAGEMENT INC GS-10F-0129L http://www.emi-nm.com miket@emi-nm.com (505)884-8300 ALBUQUERQUE NM
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ECOSYSTEM RESEARCH GROUP LLC GS-10F-0288P http://www.ecosystemrg.com sbabcock@ecosystemrg.com (406)721-9420 MISSOULA MT
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EDAW, INC. GS-10F-0052L http://EDAW.COM buells@edaw.com (415)433-1484 SAN FRANCISCO CA
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EDM INTERNATIONAL INC GS-10F-0327R http://www.edmlink.com rharness@edmlink.com (970)204-4001 FORT COLLINS CO
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EES GROUP INC GS-10F-0106P http://eesinc.cc rlucy@eesinc.cc (614)798-4123 DUBLIN OH
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EFI GLOBAL, INC. GS-10F-0216P http://www.efiglobal.com todd_tiffany@efiglobal.com (281)358-4441 LANDOVER MD
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EG&G TECHNICAL SERVICES, INC. GS-10F-0201K http://www.urscorp.com slow@egginc.com (703)330-4142 GERMANTOWN MD
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EHS TECHNOLOGIES CORPORATION GS-10F-0211K http://www.ehstech.net beckerle@ehstech.net (856)642-7877 MOORESTOWN NJ
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EHS-INTERNATIONAL, INC. GS-10F-0400S http://www.ehsintl.com larryt@ehsintl.com (425)455-2956 BELLEVUE WA
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EMASSIST, INC. GS-00F-0007P http://www.emassist.com lcmeland@emassist.com (916)355-8444 FOLSOM CA
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ENCORE SUPPORT SYSTEMS LP. GS-10F-0151M http://www.encoresupportsystems.com contractmanager@encoresupportsystems.com (210)798-2750 SAN ANTONIO TX
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ENEGIS, LLC GS-10F-0092L http://www.enegis.com JEppink@Enegis.com (703)861-4189 FAIRFAX VA
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ENERCON SERVICES, INC. GS-10F-0146T http://www.enercon.com rsanders@enercon.com (918)655-7698 TULSA OK
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ENGINEERING & ENVIRONMENT, INC. GS-10F-0082L http://www.eeiinfo.com skumar@eeimail.com (757)457-0002 VIRGINIA BEACH VA
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ENGINEERING CONSULTING SERVICES, GS-10F-0356L http://www.ecslimited.com pohara@ecslimited.com 540-785-6100 X305 CHANTILLY VA
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ENGINEERING, COMPLIANCE AND CONS GS-10F-0417R http://www.ecci.com ldavis@ecci.com (501)663-8247 LITTLE ROCK AR
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ENGINEERING-ENVIRONMENTAL MANAGE GS-10F-0073L http://www.e2M-inc.com brenda.konvalin@e2m.net (303)754-4200 ENGLEWOOD CO
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ENGINEERING\REMEDIATION RESOURCE GS-10F-0294R http://www.errg.net rrandall@errg.net (925)969-0750 MARTINEZ CA
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ENREP, INC. GS-10F-0197T jdickerson@enrepinc.com (407)328-1116 SANFORD FL
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ENSAFE INC. GS-10F-0026K http://www.ensafe.com ctriggs@ensafe.com (901)372-7962 MEMPHIS TN
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ENTRIX, INC. GS-10F-0041L http://WWW.ENTRIX.COM PMEHRLE@ENTRIX.COM (713)666-6223 HOUSTON TX
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ENVIRO-LOGICAL SOLUTIONS, INC. GS-10F-0006R http://WWW.ENVIRO-LOGICAL.COM KSenapati@enviro-logical.com (800)599-0228 TAMPA FL
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ENVIROGROUP LIMITED GS-10F-0063T http://www.envirogroup.com PARELL@ENVIROGROUP.COM (303)790-1340 ENGLEWOOD CO
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ENVIRONMAX, INC GS-10F-0040L http://www.environmax.com cmeredith@environmax.com (801)973-8884 SALT LAKE CITY UT
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ENVIRONMENT INTERNATIONAL LTD GS-10F-0069L http://www.eiltd.net pj.bridgen@eiltd.net (206)525-3362 SEATTLE WA
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ENVIRONMENTAL BUSINESS PARTNERS, GS-10F-0363T http://www.ebpartners.us bdecker@ebpartners.us (904)287-4200 JACKSONVILLE FL
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ENVIRONMENTAL CHEMICAL CORPORATI GS-10F-0091M http://ecc.net GCHADHA@ECC.NET (303)298-7607 BURLINGAME CA
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ENVIRONMENTAL COMPLIANCE CONSULT GS-10F-0018V http://ECCALASKA.COM fox@eccalaska.com (907)644-0428 ANCHORAGE AK
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ENVIRONMENTAL COMPLIANCE INC GS-10F-0002M http://www.eci-nj.com j.torlucci@eci-nj.com (908)754-1700 WARREN NJ
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ENVIRONMENTAL CONSULTING & TECHN GS-10F-0406M http://www.ectinc.com syelle@ectinc.com (352)332-0444 GAINESVILLE FL
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ENVIRONMENTAL CONSULTING AND TRA GS-10F-0355L http://www.ecats.tv elburress@ecats.tv (865)521-9898 KNOXVILLE TN
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ENVIRONMENTAL COST MANAGEMENT, I GS-10F-0335R http://www.ecostmanage.com wkazi@ecostmanage.com (916)987-2981 COSTA MESA CA
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ENVIRONMENTAL DATA SOLUTIONS GRO GS-10F-0213U http://www.edsg.com cschwerdtfeger@edsg.com (949)457-3496 EL TORO CA
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ENVIRONMENTAL ENTERPRISE GROUP I GS-10F-0294L http://www.eeginc.net albers@eeginc.net (843)202-8130 LADSON SC
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ENVIRONMENTAL EXPRESS SERVICES, GS-10F-0404S http://www.envexpress.com estutsman@envexpress.com (830)980-1830 BULVERDE TX
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ENVIRONMENTAL LAW INSTITUTE, THE GS-10F-0330P http://www.eli.org reinersmann@eli.org (202)939-3830 WASHINGTON DC
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ENVIRONMENTAL MANAGEMENT INC GS-10F-0308T http://www.emi-alaska.com lhelgeson@emi-alaska.com (907)272-9336 ANCHORAGE AK
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ENVIRONMENTAL MANAGEMENT RESOURC GS-10F-0222R http://www.emr-inc.com noonan@emr-inc.com (785)842-9013 LAWRENCE KS
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ENVIRONMENTAL MANAGEMENT SERVICE GS-10F-0074T http://www.enviroexperts.net kbarve@enviroexperts.net (301)309-0475 ROCKVILLE MD
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ENVIRONMENTAL MANAGEMENT SUPPORT GS-10F-0088N http://www.emsus.com/gsa mark.farkosh@emsus.com (301)589-5318 SILVER SPRING MD
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ENVIRONMENTAL MANAGEMENT, INC GS-00F-0042M http://www.emiservices.com david.miller@emiservices.com (208)522-1117 IDAHO FALLS ID
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ENVIRONMENTAL PROTECTION CERTIFI GS-10F-0371P epcc@bcpl.net (410)252-3335 LUTHERVILLE TIMONIU MD
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ENVIRONMENTAL QUALITY MANAGEMENT GS-10F-0293K http://www.eqm.com bkuhlenberg@eqm.com (513)825-7500 CINCINNATI OH
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ENVIRONMENTAL RESOLUTIONS, INC. GS-10F-0149R www.eri-us.com kromstad@eri-us.com (707)766-2000 LAKE FOREST CA
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ENVIRONMENTAL SCIENCE ASSOCIATES GS-10F-0191M http://www.esassoc.com lcrossett@esassoc.com (415)896-0322 SAN FRANCISCO CA
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ENVIROSCIENTISTS INC GS-10F-0240L http://www.enviroincus.com rfdelong@enviroincus.com (775)826-8822 RENO NV
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ENVIROSERVICES & TRAINING CENTER GS-10F-0173U http://www.gotoetc.com greg@gotoetc.com (808)839-7222 HONOLULU HI
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ENVIROSYSTEMS MANAGEMENT, INC. GS-10F-0358M http://ESMAZ.COM esmflag@aol.com (928)226-0236 FLAGSTAFF AZ
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ENVIROTECH ENVIRONMENTAL SERVICE GS-10F-0218L http://www.envirotechcorp.com marsha@envirotechcorp.com (770)506-8292 STOCKBRIDGE GA
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ENVIROTEMPS, INC. GS-10F-0203T http://www.etiprofessionals.com amartin@etipros.com (303)277-1444 LAKEWOOD CO
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EPG, INC. GS-10F-0046N http://www.epgaz.com bpowers@epgaz.com (602)956-4370 PHOENIX AZ
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EPSILON SYSTEMS SOLUTION, INC. GS-00F-0035N http://WWW.EPSILONSYSTEMS.COM HKOCH@EPSILONSYSTEMS.COM (619)702-1700 SAN DIEGO CA
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ERM- SOUTHEAST, INC. GS-10F-0062T http://www.erm.com michael.mckibben@erm.com (770)590-8383 BRENTWOOD TN
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ERM-WEST, INC GS-10F-0225L http://WWW.ERM.COM terri.wyels@erm.com (916)924-9378 WALNUT CREEK CA
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ERO RESOURCES CORPORATION GS-10F-0302L http://www.eroresources.com rtrenholme@eroresources.com (303)830-1188 DENVER CO
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ERS SOLUTIONS INC GS-10F-0344K http://www.erssolutioninc.com jreese@erssolutionsinc.com (916)689-2680 SACRAMENTO CA
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ESSENTIA MANAGEMENT SERVICES LLC GS-10F-0150T http://www.essentia-llc.com julie_moe_reynolds@essentia-llc.com (562)740-1060 LONG BEACH CA
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ETECH ENVIRONMENTAL & SAFETY SOL GS-10F-0209T fholmes@sbcglobal.net (432)570-9911 ODESSA TX
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FB ENVIRONMENTAL CONSULTING GS-10F-0068T http://www.fbenvironmental.com/ forrestb@maine.rr.com (207)650-7597 PORTLAND ME
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FIRST ENVIRONMENT, INC GS-10F-0178R http://WWW.FIRSTENVIRONMENT.COM contactus@firstenvironment.com (973)334-0003 BOONTON NJ
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FISHER & ASSOCIATES LLC GS-10F-0408P jfisherbj@adelphia.net (360)577-5887 LONGVIEW WA
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FORENSIC ANALYTICAL SPECIALTIES, GS-10F-0015T http://www.forensica.com jfilan@forensica.com (510)266-8141 HAYWARD CA
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FORSGREN ASSOCIATES, INC GS-10F-0321L http://www.forsgren.com jmoeller@forsgren.com (801)447-4696 SALT LAKE CITY UT
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FPM GROUP, LTD. GS-10F-0006L http://www.FPM-Group.com/gsa.htm K.PHILLIPS@FPM-GROUP.COM (631)737-6200 RONKONKOMA NY
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FRENDAK GEOENVIRONMENTAL SERVICE GS-10F-0030T http://home.comcast.net/~tmfrenda/frendakgeoenvironmentalservices.html tomfrendak@hotmail.com (410)638-9699 FOREST HILL MD
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FRONTIER ENVIRONMENTAL SERVICES, GS-10F-0484M http://frontierenvironmental.net hindsden@aol.com (303)234-9350 ARVADA CO
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FUTURENET GROUP, INC GS-10F-0331R http://www.futurenetgroup.com gsa@futurenetgroup.com (313)544-7117 DETROIT MI
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G B K PARTNERSHIP LLC, THE GS-10F-0413M http://www.gbkpartnership.com lfleur@gbkpartnership.com (405)285-5349 EDMOND OK
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G.E.C., INC. GS-00F-0017P www.gecinc.com chinton@gecinc.com (225)612-3000 BATON ROUGE LA
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GAI CONSULTANTS INC GS-10F-0227U http://www.gaiconsultants.com h.trout@gaiconsultants.com (412)476-2000 HOMESTEAD PA
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GAIA CORPORATION GS-10F-0370M gaiaco@earthlink.net (301)608-9469 SILVER SPRING MD
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GALLET & ASSOCIATES INC GS-10F-0315S http://www.gallet.com rnichols@gallet.com (205)942-1289 BIRMINGHAM AL
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GANNETT FLEMING INC GS-10F-0214K http://www.gfnet.com callen@gfnet.com (717)763-7211 CAMP HILL PA
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GARCIA AND ASSOCIATES GS-10F-0389R http://www.garciaandassociates.com cgarcia@garciaandassociates.com (415)458-5803 SAN ANSELMO CA
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GEI CONSULTANTS, INC. GS-10F-0304S http://WWW.GEICONSULTANTS.COM RHOFFMAN@GEICONSULTANTS.COM (781)721-4000 WOBURN MA
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GEM TECHNOLOGY INTERNATIONAL, CO GS-00F-0001R http://www.gemtechnology.com clear@gemtechnology.com (305)447-1344 CORAL GABLES FL
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GENERAL DYNAMICS INFORMATION TEC GS-10F-0154K http://www.gdit.com janet.skahill@gdit.com (703)246-0624 FAIRFAX VA
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GENERAL PHYSICS CORPORATION GS-00F-0039N www.gpworldwide.com BHYRE@GPWORLDWIDE.COM (410)379-3600 ELKRIDGE MD
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GENWEST SYSTEMS, INC. GS-10F-0305T http://www.genwest.com rennh@genwest.com (425)771-2700 EDMONDS WA
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GEO-MARINE INC GS-10F-0207J http://www.geo-marine.com gmicontracts@geo-marine.com (972)423-5480 PLANO TX
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GEOENGINEERS, INC. GS-10F-0342K http://www.geoengineers.com GSA@geoengineers.com (425)252-4586 PORTLAND OR
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GEOLOGICS CORPORATION GS-10F-0452M http://www.geologics.com mkwak@geologics.com (703)891-6146 ALEXANDRIA VA
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GEOMAT ENGINEERING, INC GS-10F-0231R http://jc@geomatinc.com jc@geomatinc.com (949)421-1080 LAGUNA HILLS CA
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GEOSYNTEC CONSULTANTS INC GS-10F-0106M http://www.geosyntec.com jdickinson@geosyntec.com (404)705-9500 KENNESAW GA
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GL ENVIRONMENTAL, INC. GS-10F-0292S http://www.glenvironmental.com gldenise@flash.net (505)994-0099 LAS VEGAS NM
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GLOBAL SECURE TRAINING CORP. GS-10F-0143K http://www.haztrain.com lmead@globalsecurecorp.com (301)932-0994 WHITE PLAINS MD
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GLOBEX ENGINEERING & DEVELOPMENT GS-10F-0226T http://www.globexeng.com khatami@globexeng.com (954)571-9200 POMPANO BEACH FL
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GOLDER ASSOCIATES INC. GS-10F-0130N http://www.golder.com dmoler@golder.com (770)496-1893 ATLANTA GA
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GRAEF, ANHALT, SCHLOEMER & ASSOC GS-10F-0332M http://www.gasai.com dominic.kempson@gasai.com (414)266-9044 MILWAUKEE WI
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GRAM, INCORPORATED GS-10F-0290L http://www.graminc.com dastoll@graminc.com (505)299-1282 ALBUQUERQUE NM
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GREEN REVIEWS INC GS-10F-0223J http://www.greenreviews.com ammura@greenreviews.com (201)346-1776 LEONIA NJ
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GREENHORNE & O'MARA, INC. GS-00F-0054M http://www.G-and-O.com tchicca@G-and-O.com (301)982-2800 LAUREL MD
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GSG CONSULTANTS INC GS-10F-0034L http://www.gsgenviro.com sniaki@gsgenviro.com (312)733-6262 CHICAGO IL
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GUTIERREZ-PALMENBERG, INC. GS-00F-0011N http://www.gpieng.com roger.p@gpimail.com (602)234-0696 PHOENIX AZ
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H&S ENVIRONMENTAL, INC. GS-10F-0139S http://www.hsenv.com dheims@hsenv.com (508)366-7442 WESTBOROUGH MA
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HARRIS ENVIRONMENTAL GROUP GS-10F-0457R http://heg-inc.com LHARRIS@HEG-INC.COM (520)628-7648 TUCSON AZ
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HART CROWSER, INC. GS-10F-0308K http://www.hartcrowser.com roger.mcginnis@HARTCROWSER.COM (206)324-9530 SEATTLE WA
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HAWAII INTERNATIONAL ENVIRONMENT GS-10F-0132L http://www.hiesinc.com mayumi@hiesinc.com (808)263-4787 KAILUA HI
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HAZMED, INC. GS-00F-0032L http://www.hazmed.com tradway@hazmed.com (301)577-9339 LANHAM MD
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HDR ENGINEERING, INC. GS-10F-0133N http://www.hdrinc.com mary.mckernan@HDRINC.COM (402)399-1326 OMAHA NE
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HEALTHY BUILDINGS INTERNATIONAL, GS-10F-0125K http://www.hbiamerica.com bmacpherson@hbiamerica.com (703)323-4400 FAIRFAX VA
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HEALTHY RESOURCES ENTERPRISE, IN GS-10F-0219P http://www.hre-inc.com djonathon@coleyinc.com (713)673-8440 HOUSTON TX
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HERBERT, ROWLAND & GRUBIC INC GS-10F-0067N http://www.hrg-inc.com pmiller@hrg-inc.com (717)337-9684 HARRISBURG PA
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HERRERA ENVIRONMENTAL CONSULTANT GS-10F-0177J http://www.herrerainc.com twood@herrerainc.com (206)441-9080 SEATTLE WA
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HERRON ENTERPRISES USA INC GS-10F-0067S http://www.HERRON-Enterprises.com Lennie.Herron @comcast.net (303)763-9639 LAKEWOOD CO
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HGS ENGINEERING, INC. GS-10F-0039P http://www.hgsengineeringinc.com harry@hgsengineeringinc.com (256)236-1848 ANNISTON AL
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HICKS & COMPANY, ENVIRONMENTAL/A GS-10F-0269R http://www.hicksenv.com info@hicksenv.com (512)478-0858 AUSTIN TX
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HILLMANN ENVIRONMENTAL GROUP, L GS-10F-0149M http://www.hillmanngroup.com mspinowitz@hillmanngroup.com (908)688-7800 UNION NJ
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HISTORICAL RESEARCH ASSOCIATES, GS-10F-0194S http://www.hrassoc.com/ glakes@hrassoc.com (406)721-1958 MISSOULA MT
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HNTB CORPORATION GS-10F-0102T http://www.hntb.com DPelczar@hntb.com (414)359-2300 MILWAUKEE WI
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HORIZON ENVIRONMENTAL GROUP, INC GS-10F-0046M http://www.horizon-env.com rdeapen@horizon-env.com (202)234-0063 WASHINGTON DC
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HORNE ENGINEERING SERVICES, LLC GS-10F-0281K http://www.horne.com gsacontracts@horne.com (703)641-1100 FAIRFAX VA
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HORSLEY WITTEN GROUP, INC. GS-10F-0304T http://www.horsleywitten.com ckohl@horsleywitten.com (508)833-6600 SANDWICH MA
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HOWARD R. GREEN COMPANY GS-10F-0234S http://www.hrgreen.com mdaniel@hrgreen.com (319)841-4000 CEDAR RAPIDS IA
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HRP ASSOCIATES, INC. GS-10F-0367P http://www.hrpassociates.com walt.gancarz@hrpassociates.com (860)674-9570 FARMINGTON CT
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HSW ENGINEERING INC GS-10F-0302M http://hsweng.com fseguiti@hsweng.com (813)968-7722 TAMPA FL
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HUGHES ASSOCIATES, INC. GS-10F-0433R http://www.haifire.com kdeck@haifire.com (410)737-8677 BALTIMORE MD
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HULL & ASSOCIATES, INC. GS-10F-0332S www.hullinc.com jcornell@hullinc.com (614)793-8777 DUBLIN OH
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HYDROGEOLOGIC, INC. GS-10F-0085K http://www.hgl.com tkearney@hgl.com (703)736-4579 RESTON VA
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HYDROSPHERE RESOURCE CONSULTANTS GS-10F-0367L http://www.hydrosphere.com drc@hydrosphere.com (303)443-7839 BOULDER CO
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I. H. I. GS-10F-0446R http://WWW.IHI-ENV.COM MARANO@IHI-ENV.COM (801)466-2223 SALT LAKE CITY UT
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I.M. SYSTEMS GROUP, INC. GS-10F-0037R http://www.imsg.com applet@imsg.com (301)942-4152 KENSINGTON MD
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IAP WORLDWIDE SERVICES, INC. GS-00F-0022L www.iapws.com kelly.hart@iapws.com (321)784-7223 CAPE CANAVERAL FL
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ICF INCORPORATED, L.L.C. GS-10F-0124J http://www.icfi.com/Services/Contract-Vehicles/default.asp mmcneely@icfi.com (703)934-3484 FAIRFAX VA
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ICI SERVICES, LLC GS-10F-0269N http://www.ici-llc.com thurlowj@ici-llc.com 703-441-3644 x144 DUMFRIES VA
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IIF DATA SOLUTIONS, INC. GS-10F-0164M http://www.iifdata.com pattencj@iifdata.com (703)637-2321 CENTREVILLE VA
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INDUSTRIAL ECONOMICS, INCORPORAT GS-10F-0224J http://WWW.INDECON.COM MHORGAN@INDECON.COM (617)354-0074 CAMBRIDGE MA
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INDUSTRIAL HYGIENE RESOURCES, LT GS-10F-0176R http://www.industrialhygieneresources.com harryb@rmci.net (208)323-8287 BOISE ID
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INNOVAR ENVIRONMENTAL INC GS-10F-0015V http://www.innovar-env.com lnevarez@innovar-env.com (303)703-4674 LITTLETON CO
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INNOVATIVE TECHNICAL SOLUTIONS, GS-10F-0065M http://www.itsi.com spoquette@itsi.com (925)346-3140 WALNUT CREEK CA
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INSIGHT ENVIRONMENTAL ENGINEERIN GS-10F-0298L http://www.geofon.com cduckworth@geofon.com (909)396-7662 DIAMOND BAR CA
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INSTITUTE FOR ENVIRONMENTAL ASSE GS-10F-0033V http://www.ieainstitute.com tomg@ieainstitute.com (763)315-7900 MINNEAPOLIS MN
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INTEGRATED ENVIRONMENTAL SERVICE GS-10F-0235P http://www.iesinet.com myoung@iesinet.com (949)460-7000 LAKE FOREST CA
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INTEGRATED STATISTICS INC GS-10F-0395N http://www.integratedstatistics.com lshulman@integratedstatistics.com (508)540-8560 WOODS HOLE MA
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INTER-FLUVE INC GS-10F-0156R http://www.interfluve.com dreeves@interfluve.com (541)386-9003 BOZEMAN MT
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INTERA INCORPORATED GS-10F-0259P http://WWW.INTERA.COM klantz@intera.com (512)425-2000 AUSTIN TX
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INTERNATIONAL ANALYTICAL GROUP I GS-10F-0394P http://WWW.IAGLABS.COM marino@iaglabs.com (954)894-4023 HOLLYWOOD FL
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INTERNATIONAL RESOURCES GROUP LT GS-10F-0530N http://www.irgltd.com cpflugh@irgltd.com (202)289-0100 WASHINGTON DC
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ITS CORPORATION GS-10F-0157R http://www.itsfed.com lisaf@itsfed.com 858-618-1080 x105 OXNARD CA
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J W ASSOCIATES INC GS-10F-0108S http://www.jw-associates.org bpiehl@jw-associates.org (970)406-0258 BRECKENRIDGE CO
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J. M. LORD, INC. GS-10F-0021U http://www.jmlordinc.com mike@jmlordinc.com (559)268-9755 FRESNO CA
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J. M. WALLER ASSOCIATES INC GS-10F-0113J http://www.jmwaller.com contracts@jmwaller.com (703)912-2903 FAIRFAX VA
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J.F.NEW & ASSOCIATES INC GS-10F-0284P http://www.jfnew.com ckline@jfnew.com (574)586-3400 WALKERTON IN
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J2 ENGINEERING INC GS-10F-0301S http://WWW.J2-ENG.COM JPATTERSON@J2-ENG.COM (813)888-8861 TAMPA FL
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JACOBS ENGINEERING GROUP INC. GS-10F-0239M http://WWW.JACOBS.COM barbara.lambert@jacobs.com (303)462-7304 PASADENA CA
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JAMES W. SEWALL COMPANY GS-00F-0012P http://www.jws.com dedson@jws.com (207)827-4456 OLD TOWN ME
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JASON ASSOCIATES CORPORATION GS-10F-0057K http://www.jason.com dhoberg@jason.com (619)296-4069 SAN DIEGO CA
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JBR ENVIRONMENTAL CONSULTANTS, I GS-10F-0395M http://www.jbrenv.com skolan@jbrenv.com (801)943-4144 SANDY UT
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JOHN C REED GS-10F-0032M http://jcmlreed@cableone.net jcmlreed@cableone.net (928)776-9307 PRESCOTT AZ
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JOHNSON COMPANY, INC. THE GS-10F-0481P http://www.johnsonco.com cll@jcomail.com (802)229-4600 MONTPELIER VT
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JOHNSON, MIRMIRAN & THOMPSON, IN GS-10F-0014U http://WWW.JMT.COM sphilbin@jmt.com (410)329-3100 SPARKS MD
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JONES TECHNOLOGIES, INC. GS-10F-0222J http://www.jones-tech.com myantis@jones-tech-oh.com (937)256-1558 LANHAM MD
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JUPITER CORPORATION GS-10F-0294K http://www.jupitercorp.com dexter.quismorio@jupitercorp.com (301)946-8088 WHEATON MD
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KCI TECHNOLOGIES, INC. GS-00F-0071N http://WWW.KCI.COM KLASALA@KCI.COM (410)316-7800 SPARKS MD
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KELLCO SERVICES, INC. GS-10F-0279N http://WWW.KELLCO.COM rivera172@kellco.com (510)786-9751 HAYWARD CA
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KEMA INC GS-10F-0622N http://www.kema.com melodie.morin@kema.com (781)418-5749 BURLINGTON MA
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KEMRON ENVIRONMENTAL SERVICES, I GS-00F-0046M http://www.kemron.com jdwyer@kemron.com (703)893-4106 ATLANTA GA
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KENNEDY/JENKS CONSULTANTS, INC. GS-10F-0056V www.kennedyjenks.com jeannietrizzino@kennedyjenks.com (530)891-9293 SAN FRANCISCO CA
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KEY ENGINEERING GROUP, LTD. GS-10F-0457M http://www.keyengineering.com kwein@keyengineering.com (800)645-7365 MILWAUKEE WI
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KLEEN ENVIRONMENTAL TECHNOLOGIES GS-10F-0398R http://www.kleenenvironmental.com reader@kleenenvironmental.com (206)285-8010 SEATTLE WA
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KLEINFELDER WEST, INC. GS-10F-0029L http://www.kleinfelder.com gbeers@kleinfelder.com (412)551-8003 SACRAMENTO CA
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KNIGHT PIESOLD AND CO GS-10F-0228L http://www.knightpiesold.com JARNOLD@KNIGHTPIESOLD.COM (303)629-8788 DENVER CO
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KRATOS GOVERNMENT SOLUTIONS, INC GS-10F-0350P http://www.wfinet.com/gsa/ joel.lovett@wfinet.com (858)812-9370 SAN DIEGO CA
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KTA ASSOCIATE GS-10F-0010R http://www.ktainc.net/ ktaylor@ktainc.net (206)447-1450 SEATTLE WA
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L. ROBERT KIMBALL & ASSOCIATES, GS-10F-0363P http://www.kimballcorp.com diane.hollins@kimballcorp.com (412)262-5400 EBENSBURG PA
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LABAT ENVIRONMENTAL INC GS-10F-0140J http://www.labatenv.com carmen.hansen@labatenv.com (402)291-2362 BELLEVUE NE
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LAKESHORE ENGINEERING SERVICES, GS-10F-0333M http://www.lakeshoreeng.com gsa@lakeshoreeng.com (313)875-4115 DETROIT MI
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LAMPL HERBERT CONSULTANTS, INC GS-10F-0011M http://www.lampl-herbert.com llampl@lamplherbert.com (850)222-4634 TALLAHASSEE FL
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LANDMARK ENVIROMENTAL, INC GS-10F-0265T http://WWW.LANDMARKENVIRO.COM CARMSTEAD@LANDMARKENVIRO.COM (720)283-8974 DENVER CO
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LANDRUM & BROWN INCORPORATED GS-10F-0194U http://www.landrum-brown.com mperryman@landrum-brown.com (513)530-5333 CINCINNATI OH
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LAWHON AND ASSOCIATES INC GS-10F-0272R http://www.lawhon-assoc.com mglinsky@lawhon-assoc.com (614)818-5200 WESTERVILLE OH
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LEE & RYAN ENVIRONMENTAL CONSULT GS-10F-0199T http://www.leeandryan.com nnoble@leeandryan.com (317)396-1543 GREENFIELD IN
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LEGEND TECHNICAL SERVICES, INC GS-10F-0371R http://legend-group.com cherylsykora@aol.com (651)642-1150 SAINT PAUL MN
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LFR INC. GS-10F-0290N http://www.lfr.com mike.toomey@lfr.com (401)738-3887 EMERYVILLE CA
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LICON ENGINEERING COMPANY, INC GS-10F-0064R http://WWW.LEC-GROUP.COM MLICON@LEC-GROUP.COM (915)781-1532 EL PASO TX
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LIESCH ENVIRONMENTAL SERVICES, I GS-10F-0258U http://www.liesch.com bret.berglund@liesch.com (608)223-1532 MADISON WI
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LJB INC. GS-10F-0594P http://ljbinc.com gbartee@LJBinc.com (937)259-5000 DAYTON OH
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LOCKHEED MARTIN SERVICES, INC GS-10F-0381K http://www.lockheedmartin.com/spaceops/ thomas.g.berdini@lmco.com (301)805-0429 GAITHERSBURG MD
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LOGAN SIMPSON DESIGN INC. GS-10F-0063P http://www.logansimpsondesign.com ehammond@lsdaz.com (480)967-1343 TEMPE AZ
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LOGISTICS MANAGEMENT INSTITUTE GS-00F-0026M http://www.LMI.org BMoeller@LMI.ORG (703)917-7379 MC LEAN VA
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LOPEZGARCIA GROUP INC GS-10F-0347K http://www.lopezgarciagroup.com drastogi@lopezgarciagroup.com (214)741-7777 DALLAS TX
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LOS ALAMOS TECHNICAL ASSOCIATES, GS-10F-0017V http://www.lata.com dgoralczyk@lata.com (505)884-3800 ALBUQUERQUE NM
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LOW IMPACT DEVELOPMENT CENTER, I GS-10F-0084N http://www.lowimpactdevelopment.org nweinstein@lowimpactdevelopment.org (301)982-5559 BELTSVILLE MD
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LRS FEDERAL LLC GS-10F-0360T http://www.LRSFederal.com tscott@LRSFederal.com (410)544-3570 ANNAPOLIS MD
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MABBETT & ASSOCIATES, INC. GS-10F-0120T http://www.mabbett.com steinberg@mabbett.com (781)275-6050 BEDFORD MA
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MACTEC DEVELOPMENT CORPORATION GS-10F-0093J http://www.mactec.com jjrufus@mactec.com (770)360-0528 ALPHARETTA GA
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MACTEC ENGINEERING AND CONSULTIN GS-10F-0157K http://www.mactec.com jjrufus@mactec.com (770)360-0528 ALPHARETTA GA
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MACTEC FEDERAL PROGRAMS, INC. GS-10F-0131K http://WWW.MACTEC.COM JJRUFUS@MACTEC.COM (770)360-0528 HERNDON VA
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MAGUIRE GROUP INC GS-10F-0257N http://www.maguiregroup.com hfredericks@maguiregroup.com 508-543-1700 x312 NEW BRITAIN CT
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MALCOLM PIRNIE, INC. GS-10F-0323L http://WWW.PIRNIE.COM SMOLNAR@PIRNIE.COM (914)641-2701 WHITE PLAINS NY
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MANAGEMENT & ENGINEERING SVCS LL GS-10F-0159L http://www.mesllc.net craig@mesllc.net (303)684-0215 LONGMONT CO
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MANAGEMENT ANALYSIS, INCORPORATE GS-10F-0079K http://www.mainet.com asmith@mainet.com (703)506-0505 VIENNA VA
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MANGI ENVIRONMENTAL GROUP INC GS-10F-0032J http://www.mangi.com jmangi@mangi.com (703)760-4801 MC LEAN VA
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MANNIK & SMITH GROUP, INC.,THE GS-10F-0227S http://www.manniksmithgroup.com rbertz@manniksmithgroup.com (419)891-2222 MAUMEE OH
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MANTECH SRS TECHNOLOGIES, INC. GS-10F-0054R http://www.mantech.com pat.gilbert@corp.srs.com (703)218-8261 NEWPORT BEACH CA
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MARC ENVIRO SERVICES, INC. GS-10F-0189J http://www.marcservices.com mark@marcservices.com (402)492-8025 OMAHA NE
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MARINE ACOUSTICS, INC. GS-10F-0164N http://www.marineacoustics.com bill.white@marineacoustics.com (401)847-7508 MIDDLETOWN RI
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MARRS SERVICES, INC. GS-10F-0346M http://www.marrsservices.com rubina@marrsservices.com 562-407-1094 x201 SANTA FE SPRINGS CA
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MARSHALL & ASSOCIATES INC GS-10F-0077S marshallassociates@charter.net (931)553-8422 CLARKSVILLE TN
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MARSHALL MILLER & ASSOCIATES INC GS-10F-0399P http://www.mma1.com eric.powers@mma1.com (804)798-6525 BLUEFIELD VA
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MARSTEL-DAY, LLC GS-10F-0011N http://www.marstel-day.com rrr@marstel-day.com (703)839-5512 FREDERICKSBURG VA
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MASIMAX RESOURCES, INCORPORATED GS-10F-0211T http://www.masimax.com cocarroll@masimax.com (240)683-1747 ROCKVILLE MD
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MASON BRUCE & GIRARD INC GS-10F-0295M http://www.masonbruce.com mlester@masonbruce.com (503)224-3445 PORTLAND OR
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MATRIX ENVIRONMENTAL & GEOTECHNI GS-10F-0477M http://www.matrixneworld.com dpetrocelli@matrixneworld.com (973)240-1800 EAST HANOVER NJ
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MC CONSULTING, INC GS-10F-0226M www.mcconsultinginc.com chaudhrym@mcconsultinginc.com (630)887-0922 WESTMONT IL
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MCS ENVIRONMENTAL, INC. GS-10F-0212P http://www.mcs-environmental.com e.smart@mcs-environmental.com (406)728-7755 MISSOULA MT
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MDA FEDERAL INC. GS-00F-0091N http://www.mdafederal.com chris.caporaletti@mdafederal.com (240)833-8207 ROCKVILLE MD
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MECA CONSULTING, INC. GS-10F-0229U http://www.mecaenviro.com jmccubbin@mecaenviro.com (925)808-6700 PLEASANT HILL CA
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MECX, LP GS-10F-0328R http://WWW.MECX.NET bruce.oliver@mecx.net (713)585-7000 HOUSTON TX
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METCALF & EDDY, INC. GS-10F-0305K http://www.m-e.aecom.com paul.wolf@m-e.aecom.com (781)224-6579 WAKEFIELD MA
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MICHAEL BAKER JR INC GS-00F-0032M http://www.mbakercorp.com tmcallister@mbakercorp.com (703)317-6217 ALEXANDRIA VA
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MICHAEL BRANDMAN ASSOCIATES GS-10F-0061U http://www.brandman.com popincar@brandman.com (760)322-8847 IRVINE CA
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MIDWEST ASSISTANCE PROGRAM, INC. GS-10F-0025T http://MAP-INC.ORG mapclf@stjoelive..com (952)758-4334 NEW PRAGUE MN
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MIDWEST RESEARCH INSTITUTE GS-10F-0127J http://www.mriresearch.org jtombaugh@mriresearch.org (816)753-7600 KANSAS CITY MO
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MILLENNIUM SCIENCE & ENGINEERING GS-10F-0273L http://mse-environmental.com DARICE@MSE-ENVIRONMENTAL.COM (703)961-0710 CHANTILLY VA
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MILLER BROOKS ENVIORNMENTAL, INC GS-10F-0342R http://www.millerbrooksenv.com AGREGG@MILLERBROOKSENV.COM (714)960-4088 HUNTINGTON BEACH CA
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MILLER, LEGG & ASSOCIATES, INC. GS-10F-0119U http://www.millerlegg.com dlarson@millerlegg.com (561)689-1138 PEMBROKE PINES FL
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MIRATEK CORP. GS-10F-0239L http://www.miratek.us/ jdiaz@miratek.us (915)772-2852 EL PASO TX
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MOFFATT & NICHOL INC. GS-10F-0213R http://www.moffattnichol.com mmccarthy@moffattnichol.com (562)426-9551 LONG BEACH CA
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MOORE IACOFANO GOLTSMAN, INCORPO GS-00F-0010S http://www.migcom.com atorreano@migcom.com (510)845-7549 BERKELEY CA
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MSA PROFESSIONAL SERVICES, INC. GS-10F-0585N http://www.msa-ps.com kevino@msa-ps.com (608)356-2771 BARABOO WI
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MUSTARDSEED CLTRAL ENVMTL SVCS L GS-10F-0009U http://www.m-c-e-services.net/ tsmith@m-c-e-services.net (816)333-2480 KANSAS CITY MO
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MWH AMERICAS, INC. GS-00F-0040L http://www.mwhglobal.com robert.cooley@mwhglobal.com (916)418-8236 BROOMFIELD CO
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N J NUMARK ASSOCIATES INC GS-00F-0002S http:///www.numarkassoc.com NJNUMARK@numarkassoc.com (202)466-2700 WASHINGTON DC
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NATIVE ENERGY & TECHNOLOGY, INC. GS-10F-0286L http://www.nativeenergy.tv native-energy@att.net (210)872-6589 SAN ANTONIO TX
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NAUTILUS ENVIRONMENTAL, LLC GS-10F-0308S http://www.nautilusenvironmental.com marilyn@nautilusenvironmental.com (858)587-7008 SAN DIEGO CA
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NAVARRO RESEARCH AND ENGINEERING GS-00F-0092N http://www.navarro-inc.com jsalyers@navarro-inc.com (865)220-9650 OAK RIDGE TN
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NAVIGANT CONSULTING, INC. GS-10F-0151K http://www.navigantconsulting.com dharker@navigantconsulting.com (916)631-3200 RANCHO CORDOVA CA
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NEILSON ASSOCIATES INC GS-10F-0350R http://WWW.NEILSONASSOCIATES.COM BRENDA.NEILSONHANSEN@NEILSONASSOCIATES.COM (610)793-0883 CHADDS FORD PA
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NELSON CONSULTING, INC. GS-10F-0028S http://www.nel-con.com snelson@nelsonconsulting.org (505)327-6331 FARMINGTON NM
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NEPTUNE AND COMPANY, INCORPORATE GS-10F-0073K http://www.neptuneandco.com donnag@neptuneinc.org (505)662-2121 LOS ALAMOS NM
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NETCOMPLIANCE ENVIRONMENTAL SERV GS-10F-0187S http://www.net-compliance.com williamk@net-compliance.com (360)699-4015 VANCOUVER WA
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NEW MEXICO INSTITUTE OF MINING A GS-10F-0249U http://nmefc.nmt.edu gbailey@admin.nmt.edu (575)835-5915 SOCORRO NM
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NIST ENVIRONMENTAL SERVICES, INC GS-10F-0212U http://www.nistenvironmental.com jnist@nistenvironmental.com (904)634-0881 JACKSONVILLE FL
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NOBIS ENGINEERING, INC. GS-10F-0399N http://www.nobisengineering.com pdelano@nobisengineering.com (603)724-6237 CONCORD NH
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NORTH STATE RESOURCES, INC. GS-10F-0008S http://www.nsrnet.com reilly@nsrnet.com (530)222-5347 REDDING CA
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NORTH WIND, INC.. GS-10F-0247L http://www.northwind-inc.com dmiller@northwind-inc.com (208)557-7918 IDAHO FALLS ID
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NORTHGATE ENVIRONMENTAL MANAGEME GS-10F-0109U http://www.ngem.com chris.donges@ngem.com (510)839-0688 OAKLAND CA
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NORTHROP GRUMMAN SPACE & MISSION GS-10F-0178J http://www.ms.northropgrumman.com/markets/MCFGOverview.html patricia.jenkins@ngc.com (703)968-2230 FAIRFAX VA
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NORTHWEST MANAGEMENT INC GS-10F-0075R http://www.consulting-foresters.com corrao@consulting-foresters.com (208)883-4488 MOSCOW ID
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O'BRIEN & GERE ENGINEERS, INC. GS-10F-0196K http://obg.com/gsa.html wighttw@obg.com (315)437-6100 EAST SYRACUSE NY
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OA SYSTEMS CORPORATION GS-10F-0390S http://http//www.oasystems.net/ gunzelman@oasystems.net (806)354-8218 AMARILLO TX
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OAK MANAGEMENT, INC. GS-10F-0054V http://www.oakmgmt.com pete.archibald@oakmgmt.com (703)739-7636 ALEXANDRIA VA
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OASIS ENVIRONMENTAL, INC. GS-10F-0027N http://www.oasisenviro.com brad@oasisenviro.com (907)258-4880 ANCHORAGE AK
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OCCU-TEC, INCORPORATED GS-10F-0091T http://www.occutec.com dheydon@occutec.com (816)231-5580 KANSAS CITY MO
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OPERATIONAL TECHNOLOGIES CORPORA GS-10F-0157J http://WWW.OTCORP.COM cbd@gov-consult.com 210-731-0000 x2170 SAN ANTONIO TX
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OPES INC GS-10F-0382R http://www.opesincorporated.com tadopes@aol.com (405)360-2911 NORMAN OK
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ORGANIZATIONAL STRATEGIES INC GS-00F-0034L http://www.orgstrategies.com bthomas@orgstrategies.com (202)393-8441 ARLINGTON VA
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OUTRIDER ENVIRONMENTAL SAFETY HE GS-10F-0256T http://none at this time greycody@aol.com (505)292-0488 ALBUQUERQUE NM
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P.W. GROSSER CONSULTING, INC GS-10F-0070U http://www.pwgrosser.com lisas@pwgrosser.com (631)589-6353 BOHEMIA NY
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PA GOVERNMENT SERVICES INC. GS-10F-0052P http://www.paconsulting.com mabel.pinzon@paconsulting.com (571)227-9035 ARLINGTON VA
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PACIFIC WESTERN TECHNOLOGIES, LT GS-00F-0002M http://www.pwt.com sstephenson@pwt.com 303-274-5400 x14 WHEAT RIDGE CO
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PACIULLI, SIMMONS & ASSOCIATES, GS-10F-0004V http://www.psaltd.com dwalls@psaltd.com (703)934-0900 FAIRFAX VA
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PAI CORPORATION GS-10F-0295L http://www.paicorp.com GSA@PAICORP.COM (865)483-0666 OAK RIDGE TN
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PARSONS INFRASTRUCTURE & TECHNOL GS-00F-0005R http://www.parsons.com Maria.Castro@Parsons.com (626)440-6249 PASADENA CA
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PBS ENVIRONMENTAL BUILDING CONSU GS-10F-0170L http://www.pbsenv.com bart.phillips@pbsenv.com (503)248-1939 PORTLAND OR
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PCCI, INC. GS-00F-0033M http://www.pccii.com thudon@pccii.com (703)684-2060 ALEXANDRIA VA
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PENNONI ASSOCIATES INC. GS-10F-0431P http://www.pennoni.com jsavage@pennoni.com (215)222-3000 PHILADELPHIA PA
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PEROT SYSTEMS GOVERNMENT SERVICE GS-10F-0078K http://perotsystems.com/government HEATHER.WATSON@PSGS.COM 703-560-9477x123 FAIRFAX VA
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PEROT SYSTEMS GOVERNMENT SERVICE GS-00F-0049M http://perotsystems.com/government HEATHER.WATSON@PSGS.COM 703-560-9477x123 FAIRFAX VA
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PG ENVIRONMENTAL, LLC GS-10F-0210U http://www.pgenv.com ann.parker@pgenv.com (703)707-8258 HERNDON VA
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PICKERING ENVIRONMENTAL CONSULTA GS-10F-0022T http://www.pickeringinc.com mjdonohoe@pickeringinc.com (901)729-5528 MEMPHIS TN
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PINYON ENVIRONMENTAL ENGINEERING GS-10F-0298N http://www.Pinyon-env.com Evans@Pinyon-env.com (303)980-5200 LAKEWOOD CO
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PIONEER TECHNOLOGIES CORP GS-10F-0176S http://www.uspioneer.com waldronc@uspioneer.com (630)570-1700 OLYMPIA WA
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PLANNERS COLLABORATIVE, INC. GS-00F-0017R http://www.thecollaborative.com matthew.george@thecollaborative.com (617)338-0018 BOSTON MA
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PLEXUS SCIENTIFIC CORPORATION GS-10F-0015M http://www.plexsci.com/magnoliaPublic/index/contract-vehicles/gsa-offerings/gsa- HMILLIGAN@PLEXSCI.COM (703)820-3339 ALEXANDRIA VA
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PONTIUS WATER CONSULTANTS INC GS-10F-0418R http://www.pontiuswater.com fredp@pontiuswater.com (303)986-9923 LITTLETON CO
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PORTAGE, INC. GS-10F-0353M http://www.portageinc.com tchristensen@portageinc.com (208)227-1391 IDAHO FALLS ID
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POST BUCKLEY SCHUH & JERNIGAN IN GS-10F-0005M http://www.pbsj.com LMPEREZ@PBSJ.COM (305)592-7275 MIAMI FL
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POTOMAC-HUDSON ENGINEERING, INC. GS-10F-0045K http://www.phe.com diane.allgyer@phe.com (301)907-9078 BETHESDA MD
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POTOMAC-HUDSON ENVIRONMENTAL, IN GS-10F-0156N ddraper@phenv.com (732)525-3100 SOUTH AMBOY NJ
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POWER ENGINEERS, INCORPORATED GS-10F-0545N http://www.powereng.com cbell@powereng.com (208)788-0695 HAILEY ID
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PPM CONSULTANTS INC GS-10F-0157M http://WWW.PPMCO.COM keith.pyron@ppmco.com (251)990-9000 MONROE LA
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PRESTIGE ENVIRONMENTAL INC GS-10F-0166T http://www.prestige-environmental.com girish.mehta@prestige-environmental.com (908)757-9700 EDISON NJ
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PRIZIM INC GS-10F-0234L http://prizim-inc.com fpriznar@prizim-inc.com 301-840-2222 x100 GAITHERSBURG MD
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PROFESSIONAL ENVIRONMENTAL ENGIN GS-10F-0184P http://www.pe-engrs.com hhanner@pe-engrs.com (314)531-0060 SAINT LOUIS MO
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PROFESSIONAL ENVIRONMENTAL GROUP GS-10F-0041T http://www.pegrouponline.com nancy@pegrouponline.com (541)454-2833 ARLINGTON OR
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PROFESSIONAL PROJECT SERVICES, I GS-10F-0198K http://www.p2s.com georgej@p2s.com (865)220-4410 OAK RIDGE TN
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PROJECT ASSISTANCE CORPORATION GS-00F-0051M http://www.pacpeople.com dave.borders@pacpeople.com (509)539-8165 WALNUT CREEK CA
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PROJECT ENHANCEMENT CORPORATION GS-00F-0004T http://WWW.PROJECTENHANCEMENT.COM CREYNOLDS@PEC1.NET (240)686-3059 GERMANTOWN MD
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PROJECT PERFORMANCE CORPORATION GS-10F-0138J http://www.ppc.com pdierbeck@ppc.com (703)748-7026 MC LEAN VA
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PROSPECTIVE TECHNOLOGY, INC. GS-10F-0350S www.prospectivetechnology.com jstewart@prospectivetechnology.com (410)381-0035 COLUMBIA MD
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PROXTRONICS INC GS-10F-0066S http://www.proxtronics.com dgasser@proxtronics.com (703)440-2188 SPRINGFIELD VA
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PSOMAS GS-10F-0293S http://www.psomas.com lsokolow@psomas.com (310)954-3700 LOS ANGELES CA
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PURE AIR CONTROL SERVICES, INC. GS-10F-0488R http://www.pureaircontrols.com cbailey@pureaircontrols.com (800)422-7873 CLEARWATER FL
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PYRAMID ENVIRONMENTAL & ENGINEER GS-10F-0403N http://www.pyramidenvironmental.com doug@pyramidenvironmental.com (336)335-3174 GREENSBORO NC
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QTECHNOLOGY INTERNATIONAL, INC GS-10F-0171P http://www.qtintl.com rbacchus@qtintl.com (703)899-8590 CENTREVILLE VA
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QUAD.KNOPF, INC. GS-10F-0071V www.quadknopf.com janelf@quadknopf.com (559)733-0400 VISALIA CA
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QUALITY ENVIRONMENTAL PROFESSION GS-10F-0204U http://www.qepi.com dpeters@qepi.com (317)351-4255 INDIANAPOLIS IN
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QUANTUM ENVIRONMENTAL & ENGINEER GS-10F-0301U http://www.qe2llc.com sjerman@qe2llc.com (865)689-1395 KNOXVILLE TN
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R & M ENVIRONMENTAL AND INFRASTR GS-10F-0403R http://www.randmenvironmental.com mghassemi@RANDMENVIRONMENTAL.COM (510)553-2146 OAKLAND CA
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RE/SPEC INC GS-00F-0078N www.respec.com tjzelle@respec.com (605)394-6400 RAPID CITY SD
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REMSA, INC. GS-10F-0190J http://www.remsainc.com/ rcbillups@rensainc.com 757-722-0113 x17 HAMPTON VA
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RESEARCH MANAGEMENT CONSULTANTS GS-10F-0071M http://www.rmci.com spiccone@rmci.com (303)277-0066 GOLDEN CO
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RESEARCH PLANNING, INC. GS-10F-0082N http://www.researchplanning.com jmoore@researchplanning.com (803)256-7322 COLUMBIA SC
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RESEARCH TRIANGLE INSTITUTE GS-10F-0283K http://www.rti.org/gsa gsa@rti.org (919)541-6634 RESEARCH TRIANGLE P NC
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RESOURCE MANAGEMENT CONCEPTS INC GS-10F-0183K HTTP://WWW.RMCWEB.COM bhanna@rmcweb.com (301)862-7501 LEXINGTON PARK MD
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RESPONSE MANAGEMENT ASSOCIATES I GS-10F-0104T http://www.rmaworld.com rgmeyer@rmaworld.com (281)320-9796 SPRING TX
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RIVERSIDE TECHNOLOGY, INC. GS-00F-0026P http://www.riverside.com dbg@riverside.com (970)484-7573 FORT COLLINS CO
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RMC CONSULTANTS, INC. GS-10F-0482M http://www.rmc-consultants.com dgroy@rmc-consultants.com (303)980-4101 LAKEWOOD CO
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RMEC ENVIRONMENTAL INC GS-10F-0147P http://www.rmec.net dhancock@rmec.net (801)467-3661 SALT LAKE CITY UT
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ROD RODRIGUEZ, INC. GS-00F-0002R http://www.pdcnet.com/rri/ richschenk@pdcnet.com (865)482-9024 OAK RIDGE TN
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ROMEM AQUA SYSTEMS COMPANY, INC GS-10F-0142K http://www.rascoengineers.com rasco1@aol.com (703)643-2952 WOODBRIDGE VA
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RONCO CONSULTING CORPORATION GS-10F-0200M http://www.roncoconsulting.com lheight@roncowash.com (202)785-2791 WASHINGTON DC
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RORE, INC. GS-10F-0107M http://www.roreinc.com gmurthy@roreinc.com (858)404-7393 SAN DIEGO CA
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ROSADO VIANA, L ENVIRONMENTAL IN GS-10F-0226P http://WWW.LRVINC.COM L.ROSADO.VIANA@LRVINC.COM (787)775-6463 GUAYNABO PR
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ROSS & ASSOCIATES ENVIRONMENTAL GS-00F-0045P http://www.ross-assoc.com Dave.Clayton@ross-assoc.com (206)447-1805 SEATTLE WA
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RURAL AND TRIBAL ENVIRONMENTAL S GS-10F-0257R rateslee@aol.com (406)252-2858 BUTTE MT
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S C & A, INC GS-10F-0093K http://www.scainc.com lloomis@scainc.com (703)893-6600 VIENNA VA
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S.S. PAPADOPULOS & ASSOCIATES, I GS-10F-0462M http://www.sspa.com jbailey@sspa.com (301)718-8900 BETHESDA MD
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SCI-TEK CONSULTANTS, INC. GS-10F-0107T http://www.scitekenvironmental.com VTORAN@SCITEKENVIRONMENTAL.COM (412)371-4460 PITTSBURGH PA
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SCIENCE AND ENGINEERING ASSOCIAT GS-10F-0188K http://www.apogen.com michelle.eckstein@QinetiQ-NA.com (505)346-9806 ALBUQUERQUE NM
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SCIENCE APPLICATIONS INTERNATION GS-10F-0076J http://www.saicgsa-env.com sandra.l.reid@saic.com (202)488-6637 WASHINGTON DC
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SCIENCES INTERNATIONAL, INC GS-10F-0127K http://www.sciences.com jdudycha@sciences.com (703)684-0123 ALEXANDRIA VA
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SEPARATION SYSTEMS CONSULTANTS, GS-10F-0158S http://www.sscienvironmental.com shenning@sscienvironmental.com (281)486-1943 HOUSTON TX
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SES, INC. GS-10F-0460M http://www.ses-corp.com fbryant@ses-corp.com (913)307-0046 SHAWNEE MISSION KS
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SHAW ENVIRONMENTAL, INC GS-10F-0048J http://www.shawgrp.com karen.johnson@shawgrp.com (513)782-4674 CINCINNATI OH
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SHORT-ELLIOTT-HENDRICKSON INCORP GS-10F-0296U http://www.sehinc.com dbach@sehinc.com (715)720-6231 SAINT PAUL MN
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SIERRA PIEDMONT INC GS-10F-0044V http://www.sierrapiedmont.com dagramonte@sierrapiedmont.com (770)792-5999 WOODSTOCK GA
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SIGNATURE SCIENCE, LLC GS-10F-0484P http://www.signaturescience.com brook@signaturescience.com 877-474-4724 x2030 AUSTIN TX
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SKYETEC ENVIRONMENTAL DIAGNOSTIC GS-10F-0019T http://www.skyetec.com kfox@skyetec.com (904)482-4260 JACKSONVILLE FL
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SOIL AND ENVIRONMENTAL TESTING S GS-10F-0110T http://WWW.SETSINTERNATIONAL.COM pluyendyk@setsinternational.com (770)986-0977 TUCKER GA
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SOIL AND LAND USE TECHNOLOGY, IN GS-10F-0072T http://salutinc.com dheisler@salutinc.com (301)595-3783 BELTSVILLE MD
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SOLUTION FOUNDRY, LLC, THE GS-10F-0250U http://www.solutionfoundry.com sbooth@solutionfoundry.com (770)517-1517 WOODSTOCK GA
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SONOMA TECHNOLOGY, INC. GS-10F-0181K http://www.sonomatech.com barbara@sonomatech.com (707)665-9900 PETALUMA CA
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SOURCE ENVIRONMENTAL, INC. GS-10F-0361L http://aetslc@aetenvironmental.com loridevito@aetenvironmental.com (303)333-8521 DENVER CO
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SOURCE GROUP, INC. THE GS-10F-0034T http://thesourcegroup.net bthrupp@thesourcegroup.net 925-944-2856 x338 PLEASANT HILL CA
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SPECPRO, INC. GS-10F-0448P http://www.specpro-inc.com bdodd@specpro-inc.com (256)726-4718 ANCHORAGE AK
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SPECTRUM ENVIROMENTAL SCIENCES, GS-10F-0042T http://www.spectrumenv.com biaccaino@spectrumenv.com (301)620-1200 FREDERICK MD
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SRI INTERNATIONAL GS-10F-0420P http://www.sri.com lisa.kralovic@sri.com (703)247-8665 MENLO PARK CA
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SRK CONSULTING (U.S.), INC GS-10F-0148M http://www.srk.com jparshley@srk.com (303)985-1333 RENO NV
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STANTEC CONSULTING CORPORATION GS-10F-0241N http://www.secor.com mdrummond@secor.com (425)372-1671 REDMOND WA
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STANTEC CONSULTING INC. GS-10F-0354M http://www.stantec.com dfriz@stantec.com (801)261-0090 SALT LAKE CITY UT
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STANTEC CONSULTING SERVICES INC GS-10F-0084M http://www.woodlotalt.com gkendrick@woodlotalt.com (207)729-1199 TOPSHAM ME
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STEARNS, CONRAD AND SCHMIDT CONS GS-10F-0371K http://www.scsengineers.com tconrad@scsengineers.com (703)471-6150 LONG BEACH CA
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STETSON ENGINEERS, INC GS-10F-0404P http://stetsonengineers.com retad@stetsonengineers.com (415)457-0701 SAN RAFAEL CA
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STONE ENVIRONMENTAL INC GS-10F-0167T http://www.stone-env.com dhealy@stone-env.com (802)229-1879 MONTPELIER VT
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STRATA-G, LLC GS-10F-0025S http://www.stratag.org lberry@stratag.org (865)934-3400 KNOXVILLE TN
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STRATUS CONSULTING INC. GS-10F-0299K http://www.stratusconsulting.com contracts@stratusconsulting.com (303)381-8000 BOULDER CO
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STRAUGHAN ENVIRONMENTAL SERVICES GS-10F-0170N http://www.straughanenvironmental.com kliedy@straughanenvironmental.com (301)362-9200 COLUMBIA MD
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SULLIVAN ENVIRONMENTAL SOLUTIONS GS-10F-0165P http://www.onesullivan.com pborja@onesullivan.com (619)260-1432 SAN DIEGO CA
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SUMMIT TECHNICAL RESOURCES, INC GS-10F-0157P http://WWW.SUMMITUSA.NET manderson@summitusa.net (303)871-0703 DENVER CO
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SUNRISE ENGINEERING, INC. GS-10F-0325P http://www.sunrise-eng.com bmcphail@sunrise-eng.com (435)743-6151 FILLMORE UT
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SUSTAINABLE RESOURCES GROUP INTN GS-10F-0373L http://www.srgii.com kduin@srgii.com (808)356-0552 KAILUA HI
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SWCA, INCORPORATED GS-10F-0209L http://www.swca.com mraming@swca.com (602)274-3831 PHOENIX AZ
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SYRACUSE RESEARCH CORP GS-00F-0019L http://www.syrres.com deboer@syrres.com (315)452-8980 NORTH SYRACUSE NY
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SYSTEMATIC MANAGEMENT SERVICES, GS-10F-0168L http://WWW.SMSHQ.COM stephanie.mcrae@smshq.com (301)353-0072 GERMANTOWN MD
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SYSTEMS MANAGEMENT ENGINEERING, GS-10F-0140K http://www.sysmanagement.com bschipper@sysmanagement.com (703)547-1475 HERNDON VA
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SYSTEMS RESEARCH AND APPLICATION GS-10F-0221J http://www.sra.com schedules@sra.com (703)803-1634 FAIRFAX VA
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T N & ASSOCIATES, INC. GS-00F-0006L http://www.tnainc.com cshaw@tnainc.com (414)607-6767 MILWAUKEE WI
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TEAM INTEGRATED ENGINEERING, INC GS-10F-0341U www.teamllc.net headquarters@teamllc.net (210)531-5804 SAN ANTONIO TX
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TEC INC. GS-10F-0122J http://www.tecinc.com denelson@tecinc.com (434)295-4446 CHARLOTTESVILLE VA
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TECHLAW, INC. GS-10F-0168J http://www.techlawinc.com jmanley@techlawinc.com (703)818-3211 CHANTILLY VA
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TECUMSEH PROFESSIONAL ASSOCIATES GS-10F-0042K http://tecumsehpa.com rmadrid@tecumsehpa.com (505)293-1156 ALBUQUERQUE NM
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TELEDYNE SOLUTIONS INC GS-10F-0062P http://www.teledynesolutions.com/ ed.russell@tdytsi.com (256)726-4345 HUNTSVILLE AL
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TERRACON CONSULTANTS, INC. GS-10F-0256K http://www.terracon.com lrkeefe@terracon.com (719)597-2116 COLORADO SPRINGS CO
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TERRADIGM INC GS-00F-0015L http://www.terradigm.com rekrett@terradigm.com (505)265-5765 ALBUQUERQUE NM
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TERRAGRAPHICS ENVIRONMENTAL ENGI GS-10F-0265U http://WWW.TERRAGRAPHICS.COM JON.MUNKERS@TERRAGRAPHICS.COM (208)336-7080 KELLOGG ID
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TERRANEAR PMC, LLC GS-10F-0383R http://www.terranearpmc.com jcase@terranearpmc.com (610)862-5064 IRVING TX
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TERRANEXT, LLC GS-10F-0320L http://www.terranext.net MBAILEY@TERRANEXT.NET 770-447-5594 x254 DENVER CO
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TERRY ENVIRONMENTAL SERVICES INC GS-10F-0052V http://www.terryenvironmental.com jterry@terryenvironmental.com (843)873-8200 SUMMERVILLE SC
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TETRA TECH EC, INC. GS-10F-0208J http://www.tetratech.com ron.versaw@tteci.com (303)980-3574 LAKEWOOD CO
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TETRA TECH EM, INC. GS-10F-0076K http://www.ttemi.com anthony.diecidue@ttemi.com (703)390-0683 RESTON VA
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TETRA TECH NUS, INC. GS-10F-0062N http://www.ttnus.com gabrielle.koscielski@tetratech.com (301)528-3066 AIKEN SC
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TETRA TECH, INC. GS-10F-0268K http://www.tetratechwest.com gary.floyd@tetratech.com (415)974-1221 SAN FRANCISCO CA
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TETRAHEDRON INC GS-10F-0598N http://www.tetrahedron-inc.com waqi.alam@tetrahedron-inc.com (410)837-0512 BALTIMORE MD
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THE CHAMBERLAIN GROUP LTD GS-00F-0002T http://chamberlaingroup.net rgovers@chamberlaingroup.net (434)384-3930 LYNCHBURG VA
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THOMPSON ENGINEERING TESTING, IN GS-10F-0253S http://www.thompsonengineering.com mmanning@thompsonengineering.com (251)666-2443 MOBILE AL
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TIDEWATER, INC. GS-10F-0260R http://WWW.TIDEH2O.NET richard@tideh2o.net (410)997-4458 COLUMBIA MD
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TIERRA RIGHT OF WAY SERVICES, LT GS-10F-0038T http://www.tiera-row.com eklucas@tierra-row.com (520)319-2106 TUCSON AZ
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TIME SOLUTIONS, LLC GS-10F-0367R http://www.timesolutionscorp.com peterw@timesolutionscorp.com (505)291-1484 ALBUQUERQUE NM
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TIMMONS GROUP, INC GS-10F-0203U http://www.timmons.com rick.thomas@timmons.com (804)521-1065 RICHMOND VA
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TLI SOLUTIONS, INC. GS-10F-0343S http://www.tlisolutions.com sswanson@tlisolutions.com (703)818-1000 GOLDEN CO
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TOEROEK ASSOCIATES, INC. GS-10F-0221P http://www.toeroek.com dtoeroek@toeroek.com (303)420-7735 WHEAT RIDGE CO
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TOXICOLOGY EXCELLENCE FOR RISK A GS-10F-0369N http://www.tera.org nance@tera.org 513-542-7475 x25 CINCINNATI OH
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TRACER ENVIRONMENTAL SCIENCES & GS-10F-0270K www.tracer-est.com tjrapp@tracer-est.com (760)744-9611 SAN MARCOS CA
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TRARZA CONSULTING INC GS-10F-0139T http://www.trarza.com/main.htm trarzaconsulting@comcast.net (303)766-7340 CENTENNIAL CO
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TRC ENVIRONMENTAL CORPORATION GS-10F-0401M http://www.trcsolutions.com PSPAWN@TRCSOLUTIONS.COM (919)828-3150 WINDSOR CT
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TRINITY CONSULTANTS, INC. GS-10F-0256N http://WWW.TRINITYCONSULTANTS.COM JDEANGEL@TRINITYCONSULTANTS.COM (972)661-8100 DALLAS TX
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TRINITY ENGINEERING ASSOCIATES, GS-10F-0306P http://www.trinityea.com krw@trininc.com (513)521-3515 CINCINNATI OH
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TRIUMVIRATE ENVIRONMENTAL, INC GS-10F-0263U http://WWW.TRIUMVIRATE.COM GSA@TRIUMVIRATE.COM (800)966-9282 SOMERVILLE MA
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TTL ASSOCIATES, INC. GS-10F-0255U http://WWW.TTLASSOC.COM TUHLER@TTLASSOC.COM (419)324-2222 TOLEDO OH
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TURNER ENVIRONMENTAL, INC GS-10F-0357P http://www.teius.com wtt@teius.com 225-926-4300 x17 BATON ROUGE LA
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TVGA ENGINEERING, SURVEYING, PC GS-10F-0312S http://www.tvga.com eschiller@tvga.com (716)655-0937 ELMA NY
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U.P. ENGINEERS & ARCHITECTS, INC GS-10F-0255R http://www.upea.com msalmela@upea.com (906)482-4810 HOUGHTON MI
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ULTRAMAC CORPORATION GS-10F-0085M http://www.ultramac.com ultramac1@aol.com (812)537-9338 LAWRENCEBURG IN
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UNITED STATES RISK MANAGEMENT LL GS-10F-0069T http://www.us-risk.com elotz@us-risk.com (504)561-6563 NEW ORLEANS LA
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UNIVERSAL TECHNICAL RESOURCE SER GS-00F-0086M http://utrs.com cpafumi@utrs.com (856)667-6770 CHERRY HILL NJ
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UNIVERSE TECHNOLOGIES INC GS-10F-0024K http://www.UniverseTechnologies.com jjustice@unitec-md.com (301)695-0982 FREDERICK MD
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UNIVERSITY OF TENNESSEE GS-10F-0205T http://www.engr.utk.edu/ RCARGILE@UTK.EDU (865)974-9306 KNOXVILLE TN
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URBAN ENGINEERS, INC. GS-10F-0196T http://www.urbanengineers.com bmcarolan@urbanengineers.com (215)922-8080 PHILADELPHIA PA
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URS GROUP, INC. GS-10F-0105K http://www.urscorp.com ursgsa@urscorp.com (210)377-3764 SAN ANTONIO TX
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UXB INTERNATIONAL, INC. GS-10F-0023M www.uxb.com cathy.etheredge@uxb.com (540)443-3751 BLACKSBURG VA
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VANASSE HANGEN BRUSTLIN INC GS-10F-0281R http://www.vhb.com nbarker@vhb.co (757)220-0500 WILLIAMSBURG VA
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VAREC, INC. GS-10F-0364L http://www.varec.com mfavero@varec.com (770)810-9307 NORCROSS GA
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VEETECH, PC GS-10F-0044U http://www.veetechpc.com dperry@veetechpc.com 919-388-0037 x104 CARY NC
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VERIDIAN ENVIRONMENTAL, INC. GS-10F-0133T http://www.veridianenv.com csymms@veridianenv.com (530)758-1903 DAVIS CA
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VERSAR INC. GS-00F-0007L http://WWW.VERSAR.COM MSTUNDER@GEOMET.COM (703)642-6903 SPRINGFIELD VA
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VILLA ENVIRONMENTAL CONSULTANTS GS-10F-0305U http://www.villaenv.com pat.bankston@gsa.gov (269)927-2434 BENTON HARBOR MI
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VIVA ENVIRONMENTAL, INC GS-10F-0202L http://www.vivaenvironmental.com randerson@vivaenvironmental.com (915)779-5395 EL PASO TX
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WATERMARK ENVIRONMENTAL, INCORPO GS-10F-0152T http://www.watermarkenv.com johnh@watermarkenv.com (978)452-9696 LOWELL MA
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WATERSTONE ENVIRONMENTAL HYDROLO GS-10F-0291N http://www.waterstoneinc.com koenning@waterstoneinc.com (303)444-1000 BOULDER CO
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WESTON & SAMPSON ENGINEERS, INC GS-10F-0279T http://WWW.WESTONANDSAMPSON.COM BHUNIAP@WSEINC.COM (978)977-0100 PEABODY MA
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WESTON SOLUTIONS, INC GS-10F-0117J http://www.westonsolutions.com contactweston@westonsolutions.com?Subject=GSA (505)837-6548 ALBUQUERQUE NM
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WHITE SHIELD, INC. GS-10F-0357U http://www.whiteshield.com rbright@whiteshield.com (509)547-0100 PASCO WA
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WHITNEY ENVIRONMENTAL CONSULTING GS-10F-0155T http://www.foothill.com/ candice.guider@foothill.com (916)435-1202 ROCKLIN CA
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WIL CHEE PLANNING INC GS-10F-0127U http://www.wcphawaii.com wcpderek@lava.net (808)596-4688 HONOLULU HI
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WINZLER & KELLY GS-10F-0296M http://www.w-and-k.com tonypetroccitto@w-and-k.com (707)443-8326 EUREKA CA
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WITHERS & RAVENEL HOLDINGS, PA GS-10F-0029S http://WWW.WITHERSRAVENEL.COM cbryant@withersravenel.com (919)469-3340 CARY NC
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WOODARD & CURRAN, INC. GS-10F-0086M http://www.woodardcurran.com zmaserejian@woodardcurran.com (781)251-0200 PORTLAND ME
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WOODS HOLE GROUP, INC., THE GS-10F-0137T http://www.woodsholegroup.com bhamilton@woodsholegroup.com (508)495-6253 EAST FALMOUTH MA
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WOOLPERT, INC. GS-00F-0038N http://www.woolpert.com janice.james@woolpert.com (937)531-1308 DAYTON OH
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WOVEN EGG CONSULTING GS-10F-0128N jenifer_heath@urscorp.com (303)759-7007 DENVER CO
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XCEL ENGINEERING INC GS-10F-0211P http://www.xceleng.com iahmed@xceleng.com (865)481-3200 OAK RIDGE TN
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YAHSGS LLC GS-10F-0279L http://www.yahsgs.com KYuracko@yahsgs.com (509)539-7147 RICHLAND WA
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YORKE ENGINEERING LLC GS-10F-0257S http://www.YorkeEngr.com byorke@YorkeEngr.com (949)248-8490 SAN JUAN CAPISTRANO CA
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ZAPATA INCORPORATED GS-10F-0224L http://www.zapeng.com rbaur@zapeng.com (704)378-4912 CHARLOTTE NC
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ZIA ENGINEERING & ENVIRONMENTAL GS-10F-0391N http://www.ziaeec.com ehmartinez@ziaeec.com (575)532-1526 LAS CRUCES NM
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