899 - ENVIRONMENTAL SERVICES  
   

899 7
  Geographic Information Services (GIS)Provide services, advice, or guidance in support of agencies environmental programs utilizing GIS. Services to include, but not limited to: Mapping and Cartography; Natural Resource Planning; Migration Pattern Analysis; Pollution Analysis; Site Selection; and Emergency Preparedness Planning. Provide services to support Geologic Logs, Topographic Data, 3D/4D Interactive Visualization Packages and Data Interpretation.
 
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
3001, INC. GS-10F-0226U http://www.3001inc.com rdanzig@3001inc.com (703)385-3001 FAIRFAX VA
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A D MARBLE & CO INC GS-10F-0531P http://WWW.ADMARBLE.COM GSADivision@admarble.com (484)533-2500 CONSHOHOCKEN PA
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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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ABR INC GS-10F-0175M http://WWW.ABRINC.COM tdelong@abrinc.com (907)455-6777 FAIRBANKS AK
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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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ADELANTE CONSULTING, INC. GS-10F-0601P http://www.adelanteconsulting.com info@adelanteconsulting.com (505)920-4150 SANTA FE NM
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ADVANCED RESOURCE SOLUTIONS, INC GS-10F-0261S http://www.arsplanning.com vicky@arsplanning.com (530)676-1095 SHINGLE SPRINGS CA
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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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AERIAL INFORMATION SYSTEMS, INC. GS-10F-0311S http://aisgis.com djohnson@aisgis.com (909)793-9493 REDLANDS CA
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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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AFFILIATED RESEARCHERS LLC GS-10F-0313U http://www.affiliatedresearchers.com/ shannon@affiliatedresearchers.com (888)739-5471 OSCODA MI
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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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AGUATIERRA ASSOCIATES, INC GS-10F-0167M http://www.weiss.com gmm@weiss.com (510)450-6000 EMERYVILLE CA
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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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ALISTO ENGINEERING GROUP, INC. GS-10F-0080M http://www.alisto.com asevilla@alisto.com (925)279-5000 WALNUT CREEK CA
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ALLIED GIS INC GS-10F-0200N http://www.alliedgis.com gmorrison@alliedgis.com (907)333-2750 ANCHORAGE AK
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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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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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AMY S GREENE ENVIRONMENTAL CONSU GS-10F-0002T http://www.amygreene.com mail@amygreene.com (908)788-9676 FLEMINGTON NJ
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APPLIED GEOSPATIAL TECHNOLGY SOL GS-10F-0086N http://www.ats-us.com bmartin@ats-us.com 720-851-1717 X111 COPPELL TX
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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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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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ARMSTRONG ENVIRONMENTAL, PC GS-10F-0264N http://armgeoeng@mindspring.com armgeoeng@mindspring.com (919)838-9933 RALEIGH NC
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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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AUKERMAN & ASSOCIATES LLC GS-10F-0207N auk@lamar.colostate.edu (970)484-2028 FORT COLLINS CO
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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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AZTEC ENGINEERING GROUP, INC. GS-10F-0382P http://www.aztec.us rlemke@aztec.us (602)659-9340 PHOENIX AZ
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BARR ENGINEERING CO. GS-10F-0142T http://www.barr.com gpruchnofski@barr.com (952)832-2638 MINNEAPOLIS MN
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BASKERVILLE-DONOVAN, INC. GS-10F-0449N http://www.bdi-ae.com THYMAN@BASKERVILLEDONOVAN.COM (251)380-0311 PENSACOLA FL
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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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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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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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BOHANNAN HUSTON, INC. GS-10F-0038U http://www.bhinc.com dsandin@bhinc.com (505)823-1000 ALBUQUERQUE NM
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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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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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BURNS & MCDONNELL ENGINEERING CO GS-10F-0335L http://www.burnsmcd.com gknauer@burnsmcd.com (816)822-3030 KANSAS CITY MO
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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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CAD CONCEPTS, INC. GS-10F-0120U http://www.cadconceptsinc.cc support@cadconceptsinc.cc (614)485-0670 COLUMBUS OH
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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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CAMBER CORPORATION GS-10F-0113N http://www.camber.com sjattuso@camber.com (256)922-0200 HUNTSVILLE AL
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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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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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CLEAN VENTURE, INC GS-10F-0254N http://www.cleanventure.com Michael.Lancos@cleanventure.com (856)365-5544 ELIZABETH NJ
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COASTAL ENVIRONMENTS, INC. GS-10F-0445N http://www.coastalenv.com paultman@coastalenv.com (225)383-7455 BATON ROUGE LA
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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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COLORADO STATE UNIVERSITY GS-10F-0507N http://www.cemml.colostate.edu carmen.morales@research.colostate.edu (970)491-1554 FORT COLLINS CO
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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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COOPER AERIAL SURVEYS CO. GS-10F-0314N http://www.cooperaerial.com jcooper@cooperaerial.com (602)678-5111 PHOENIX AZ
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COYOTE CONSULTING, LLC GS-10F-0326P consultcoyote@cs.com (303)988-2263 EVERGREEN CO
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CSA ARCHITECTS & ENGINEERS LLP GS-10F-0229T http://WWW.CSAGROUP.COM NHINSEY@CSAGROUP.COM (787)641-6800 SAN JUAN PR
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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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CULTURAL SITE RESEARCH AND MANAG GS-10F-0263R http://www.culturalsite.com dcomer@culturalsite.com (410)244-6320 BALTIMORE MD
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DAVEY TREE EXPERT COMPANY, THE GS-10F-0615N http://WWW.DAVEY.COM SUSAN.SHREFFLER@DAVEY.COM (330)673-9511 KENT OH
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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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DEVELOPMENT ALTERNATIVES, INC. GS-10F-0160P http://www.dai.com Contracts@DAI.com (301)771-7760 BETHESDA MD
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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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DLZ NATIONAL INC GS-10F-0303U http://www.dlz.com fpezeshk@dlz.com (614)888-0400 COLUMBUS OH
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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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DUDEK & ASSOCIATES INC GS-10F-0200S http://www.dudek.com dcarter@dudek.com (800)450-1818 ENCINITAS CA
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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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DYNAMIX CORPORATION GS-10F-0299P www.dynamixcorp.com kingl@dynamixcorp.com (301)513-0101 GREENBELT MD
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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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ECO & ASSOCIATES INC GS-10F-0371U http://www.ecoinc.info mfiuzat@ecoinc.info (714)289-0995 ORANGE CA
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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 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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EMASSIST, INC. GS-00F-0007P http://www.emassist.com lcmeland@emassist.com (916)355-8444 FOLSOM CA
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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-ENVIRONMENTAL MANAGE GS-10F-0073L http://www.e2M-inc.com brenda.konvalin@e2m.net (303)754-4200 ENGLEWOOD CO
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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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ENTERPRISE INFORMATION SOLUTIONS GS-10F-0286P http://www.enterinfo.com rgarrett@enterinfo.com (410)381-7989 COLUMBIA MD
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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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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 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 HEALTH CONSULTING, GS-10F-0276N http://www.environmentalhealthconsulting.com lara@environmentalhealthconsulting.com (708)848-0485 OAK PARK IL
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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, 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 RESEARCH, INCORPOR GS-10F-0379R http://environmentalresearchinc.com mseri@shentel.net (540)636-4460 LINDEN VA
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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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ENVIRONMENTAL SYNECTICS, INC GS-10F-0329T http://synectics.net jim_hughes@synectics.net (916)444-1448 SACRAMENTO CA
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ENVIROSCIENCE, INC. GS-10F-0181U http://www.enviroscienceinc.com mhilovsky@enviroscienceinc.com (330)688-0111 STOW OH
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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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ERO RESOURCES CORPORATION GS-10F-0302L http://www.eroresources.com rtrenholme@eroresources.com (303)830-1188 DENVER CO
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ESSEX CORPORATION GS-10F-0318M HTTP://WWW.ESSEXCORP.COM/ tracy.agrati@essexcorp.com (443)989-5966 COLUMBIA MD
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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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FLUIDCLARITY LTD GS-10F-0043V http://www.FluidClarity.com marion.kessy@fluidclarity.com (708)383-3500 OAK PARK IL
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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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FRONTIER ENVIRONMENTAL SERVICES, GS-10F-0484M http://frontierenvironmental.net hindsden@aol.com (303)234-9350 ARVADA CO
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FUGRO EARTHDATA, INC GS-10F-0444P http://www.EarthData.com mhiatt@earthdata.com (301)948-8550 FREDERICK MD
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G M R AERIAL SURVEYS, INC. GS-10F-0423R http://www.photoscience.com kallen@photoscience.com (859)277-8700 LEXINGTON KY
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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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GARCIA AND ASSOCIATES GS-10F-0389R http://www.garciaandassociates.com cgarcia@garciaandassociates.com (415)458-5803 SAN ANSELMO CA
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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 IMAGING CONSULTING INC GS-10F-0337N http://www.geo-imaging.com tosan@geo-imaging.com (202)265-3413 WASHINGTON DC
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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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GEODATA CORPORATION GS-10F-0006T nnemazee@geodataco.com (703)759-3711 GREAT FALLS VA
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GEODIGITAL MAPPING, INC. GS-10F-0275L http://www.gdmcorp.com jfhebard@gdmcorp.com (540)687-6068 MIDDLEBURG VA
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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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GEOGRAPHIC RESOURCE SOLUTIONS IN GS-10F-0451N http://www.grsgis.com grs@grsgis.com (707)822-8005 ARCATA CA
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GEOGRAPHIC SERVICES INC GS-10F-0422S http://geographic-services.net/ cgates@Geographic-services.net (703)287-9720 MC LEAN VA
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GEOMARKS LAND SURVEYORS, INC. GS-10F-0168U http://www.geomarks.com lee@geomarks.com (407)736-1697 ORLANDO FL
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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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GEOTERRA INC GS-10F-0169S http://www.3diwest.com DHAZELL@3DIWEST.COM (541)343-8877 EUGENE OR
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GNOMON INC. GS-10F-0577N http://gnomon.com dcobbey@gnomon.com 775-885-2305 X206 CARSON CITY NV
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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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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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GUTIERREZ-PALMENBERG, INC. GS-00F-0011N http://www.gpieng.com roger.p@gpimail.com (602)234-0696 PHOENIX AZ
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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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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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HELIX ENVIRONMENTAL PLANNING, IN GS-10F-0020V http://www.helixepi.com mikes@helixepi.com (619)462-1515 LA MESA CA
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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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HICKS & COMPANY, ENVIRONMENTAL/A GS-10F-0269R http://www.hicksenv.com info@hicksenv.com (512)478-0858 AUSTIN TX
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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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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-CUBED: INFORMATION INTEGRATION GS-10F-0331N http://www.i3.com rcowart@i3.com (970)482-4400 FORT COLLINS CO
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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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INDUSTRIAL ECONOMICS, INCORPORAT GS-10F-0224J http://WWW.INDECON.COM MHORGAN@INDECON.COM (617)354-0074 CAMBRIDGE MA
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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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INTERA INCORPORATED GS-10F-0259P http://WWW.INTERA.COM klantz@intera.com (512)425-2000 AUSTIN TX
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INTERNATIONAL MAPPING ASSOCIATES GS-10F-0215P http://www.ima-maps.com alex@ima-maps.com (443)367-0078 ELLICOTT CITY MD
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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. M. LORD, INC. GS-10F-0021U http://www.jmlordinc.com mike@jmlordinc.com (559)268-9755 FRESNO CA
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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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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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JAYA CORPORATION GS-10F-0620P http://www.jayacorp.com gsa@jayacorp.com (256)722-0700 HUNTSVILLE AL
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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 MILNER ASSOCIATES, INC. GS-10F-0121T http://www.johnmilnerassociates.com tstruthers@johnmilnerassociates.com (610)436-9000 WEST CHESTER PA
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JOHN OSWALD & ASSOCIATES LLC GS-10F-0225S http://www.joasurveys.com/ john@joasurveys.com (907)561-0136 ANCHORAGE AK
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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 ENGINEERING, INC. GS-10F-0362T http://WWW.JOHNSONENGINEERING.COM kwillett@johnsoneng.com (239)461-3366 FORT MYERS FL
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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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KAYA ASSOCIATES, INC. GS-10F-0217T http://www.kayacorp.com maguirej@kayacorp.com (256)382-8084 HUNTSVILLE AL
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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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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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KIER, WILLIAM M ASSOCIATES GS-10F-0124U http://www.kierassociates.net KIERASSOCIATES@SUDDENLINK.NET (707)668-1822 BLUE LAKE CA
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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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LAMPL HERBERT CONSULTANTS, INC GS-10F-0011M http://www.lampl-herbert.com llampl@lamplherbert.com (850)222-4634 TALLAHASSEE FL
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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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LASER SCAN INC GS-10F-0291U http://www.lsi-gis.com greg.reinecke@lsi-gis.com (703)444-9488 STERLING VA
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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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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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LSA ASSOCIATES, INC. GS-10F-0286S http://www.lsa-assoc.com jim.baum@lsa-assoc.com (949)553-0666 IRVINE CA
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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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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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MANTECH SRS TECHNOLOGIES, INC. GS-10F-0054R http://www.mantech.com pat.gilbert@corp.srs.com (949)477-6738 NEWPORT BEACH CA
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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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MDA FEDERAL INC. GS-00F-0091N http://www.mdafederal.com chris.caporaletti@mdafederal.com (240)833-8207 ROCKVILLE MD
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MERKEL & ASSOCIATES, INC. GS-10F-0060T ngulley@merkelinc.com (858)560-7779 SAN DIEGO CA
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MERRICK & COMPANY GS-10F-0107R http://www.merrick.com carter.boardman@merrick.com (303)751-0741 AURORA CO
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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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MILLENNIUM SCIENCE & ENGINEERING GS-10F-0273L http://mse-environmental.com DARICE@MSE-ENVIRONMENTAL.COM (703)961-0710 CHANTILLY VA
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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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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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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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NATURAL RESOURCES CONSULTING ENG GS-10F-0193U http://www.nrce.com tnemariam@nrce.com (970)224-1851 FORT COLLINS CO
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NATURAL RESOURCES MANAGEMENT COR GS-10F-0214R http://www.nrmcorp.com nrm@nrmcorp.com (707)442-1735 EUREKA 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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NELSON CONSULTING, INC. GS-10F-0028S http://www.nel-con.com snelson@nelsonconsulting.org (505)327-6331 FARMINGTON NM
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NORMANDEAU ASSOCIATES INC GS-10F-0319M http://www.normandeau.com afraizer@normandeau.com (603)472-5191 BEDFORD 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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NORTHWEST MANAGEMENT INC GS-10F-0075R http://www.consulting-foresters.com corrao@consulting-foresters.com (208)883-4488 MOSCOW ID
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NOVA BLUE INC GS-10F-0065R http://www.nbmap.com driffle@nbmap.com (816)737-8895 KANSAS CITY MO
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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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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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PANAMERICAN CONSULTANTS, INC. GS-10F-0196P http://www.panamconsultants.com pdjackson@panamconsultants.com (205)556-3096 TUSCALOOSA AL
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PARAMETRIX, INC. GS-10F-0013N http://www.parametrix.com jwalden@parametrix.com (253)863-5128 AUBURN WA
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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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PCCI, INC. GS-00F-0033M http://www.pccii.com thudon@pccii.com (703)684-2060 ALEXANDRIA VA
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PENOBSCOT BAY MEDIA LLC GS-10F-0246R http://www.penbaymedia.com bwillis@penbaymedia.com (207)230-0182 CAMDEN ME
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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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PHILIP WILLIAMS & ASSOCIATES, LT GS-10F-0012S http://www.pwa-ltd.com s.terusaki@pwa-ltd.com 415-262-2300 X313 SAN FRANCISCO CA
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PHOTOMAPPING SERVICES GS-10F-0012V http://www.photomapping.com thayden@photomapping.com (559)291-0147 CLOVIS CA
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PINE DESIGN ENGINEERING SERVICES GS-10F-0089T http://www.pinedesign.com pgilley@pinedesign.com (727)577-0080 SAINT PETERSBURG FL
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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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PLANNING SYSTEMS INCORPORATED GS-10F-0348S http://www.plansys.com mchazan@plansys.com (703)788-7759 RESTON VA
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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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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 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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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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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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QUAD.KNOPF, INC. GS-10F-0071V www.quadknopf.com janelf@quadknopf.com (559)733-0400 VISALIA CA
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R2 RESOURCE CONSULTANTS, INC GS-10F-0106S http://www.r2ua.com mail@r2usa.com (425)556-1288 REDMOND WA
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RBF CONSULTING FOUNDATION GS-10F-0391S http://www.rbf.com DFROST@RBF.COM (858)614-5025 IRVINE 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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RECON ENVIRONMENTAL GS-10F-0339M http://www.recon-us.com sfayette@recon-us.com (619)308-9333 SAN DIEGO CA
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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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RESTORATION SERVICES INC GS-10F-0273S http://www.rsienv.com ycantrell@rsienv.com (865)241-5846 OAK RIDGE TN
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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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ROD RODRIGUEZ, INC. GS-00F-0002R http://www.pdcnet.com/rri/ richschenk@pdcnet.com (865)482-9024 OAK RIDGE TN
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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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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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S P CRAMER & ASSOCIATES INC GS-10F-0102R http://WWW.SPCRAMER.COM christopher@spcramer.com (503)491-9577 GRESHAM OR
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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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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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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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SKELLY AND LOY, INC. GS-10F-0057R http://www.skellyloy.com GSA@skellyloy.com (800)892-6532 HARRISBURG PA
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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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SPANO, CHRISTOPHER GS-10F-0477R cjsp1@comcast.net (303)233-7554 WHEAT RIDGE CO
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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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SPECTRAL TECHNOLOGY & INNOVATIVE GS-10F-0270P http://www.spectir.com dLANDERS@SPECTIR.COM 775-329-6660 x102 RENO NV
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SPECTRUM G I S INC GS-10F-0062V http://www.terraspectra.com elaine.ezra@terraspectra.com (702)795-8254 LAS VEGAS NV
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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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STANTEC CONSULTING CORPORATION GS-10F-0241N http://www.secor.com mdrummond@secor.com (425)372-1671 REDMOND WA
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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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STILLWATER ECOSYSTEM, WATERSHED GS-10F-0216S http://www.stillwatersci.com david@stillwatersci.com (510)848-8098 BERKELEY 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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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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SUMMIT ENVIROSOLUTIONS, INC GS-10F-0410P http://www.summite.com kmccl@summite.com (651)842-4218 CARSON CITY NV
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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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SURVTECH SOLUTIONS, INC. GS-10F-0160T http://www.survtechsolutions.com dobrien@survtech.com (813)621-4929 TAMPA FL
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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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T N & ASSOCIATES, INC. GS-00F-0006L http://www.tnainc.com cshaw@tnainc.com (414)607-6767 MILWAUKEE WI
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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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TECHNOLOGY ASSOCIATES INTERNATIO GS-10F-0049T http://WWW.TAIC.NET contracts@taic.net (760)603-1195 CARLSBAD CA
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TEKCONSULTANTS.NET, INC. GS-10F-0132T http://www.tekconsultants.net td@tekconsultants.net 800-848-7218 xt 243 TAMPA FL
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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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TERWILLIGER CONSULTING, INC GS-10F-0220L http://kttci@verizon.net kttci@verizon.net (757)787-3974 LOCUSTVILLE VA
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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 106 GROUP LTD GS-10F-0267S http://www.106group.com GSA@106GROUP.COM (651)290-0977 SAINT PAUL MN
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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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TIERRA DATA INC GS-10F-0298P http://WWW.TIERRADATA.COM CYNTHIA@TIERRADATA.COM (760)749-2247 ESCONDIDO CA
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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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TLI SOLUTIONS, INC. GS-10F-0343S http://www.tlisolutions.com sswanson@tlisolutions.com (703)818-1000 GOLDEN CO
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TRANSCON ENVIRONMENTAL INC GS-10F-0192M http://www.transconenvironmental.com mwarner@transconusa.com (480)807-0095 MESA AZ
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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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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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UAP TIMBERLAND, LLC GS-10F-0343R http://www.uaptimberland.com vvandee@uaptimberland.com (870)367-8561 MONTICELLO AR
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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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UPGRADE PROFESSIONAL SOLUTIONS C GS-10F-0343U http://www.upgradeto.com fonallanduke@upgradeto.com (760)553-2709 VICTORVILLE CA
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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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VERNADERO GROUP INCORPORATED GS-10F-0033T http://www.vernadero.com mgcollins@vernadero.com (480)315-1000 TEMPE AZ
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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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VIVA ENVIRONMENTAL, INC GS-10F-0202L http://www.vivaenvironmental.com randerson@vivaenvironmental.com (915)779-5395 EL PASO TX
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W.K. DICKSON & CO., INC. GS-10F-0364R http://www.wkdickson.com srsherman@wkdickson.com (919)782-0495 RALEIGH NC
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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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WILLIAM H. GORDON ASSOCIATES, IN GS-10F-0226S http://www.whga.com tklabunde@whga.com (703)263-1900 CHANTILLY VA
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WILLIAMS CREEK CONSULTING INC. GS-10F-0323U http://www.williamscreek.net mscott@williamscreek.net (317)423-0690 INDIANAPOLIS IN
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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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WOLF ENGINEERING, LLC GS-10F-0067V http://www.wolfengineeringllc.com doug@wolfengineeringllc.com (505)554-1360 ALBUQUERQUE NM
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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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XCEL ENGINEERING INC GS-10F-0211P http://www.xceleng.com iahmed@xceleng.com (865)481-3200 OAK RIDGE TN
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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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