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00CORP The Professional Services Schedule (PSS)
Environmental Services
Category Description
899 7 Geographic Information Systems (GIS) Services Provides GIS services in support of environmental programs. Services include, but are not limited to: Creation/enforcement of environmental legislation; Cultural resource GIS (CRGIS); Environmental cost assessment; Environmental impact analyses; Environmental regulatory compliance; Groundwater monitoring; Growth forecast modeling; Habitat conservation plans; Habitat modeling; Image analysis support for emergency response; Mapping, Cartography, and Mashups (e.g., combining data from more than one source into a single integrated tool to include aerial mapping); Migration pattern analysis; Natural resource planning; Remote sensing for environmental studies; Terrestrial, marine, and/or atmospheric measuring/management; Vegetation mapping; and Watershed characterization for mitigation planning.

Note: The services offered under this SIN shall NOT include construction and architect-engineering services as set forth in FAR Part 36, including surveying and mapping services as defined under the Brooks Act of 1972 (Public Law 92-582, 40 U.S. 1102 et seq.).
268 contractors

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1SPATIAL INC. GS-10F-0291U 5126945416 VIENNA ,VA o
A E H S INCORPORATED GS-10F-0227R (210)656-9300 SAN ANTONIO ,TX s/v  
A.D. MARBLE & CO., INC. GS-00F-411GA 484-533-2550 KING OF PRUSSIA ,PA s
A.I.S., INC. GS-10F-0131T 508-990-9054 MARION ,MA s
ABR INC 47QRAA20D0010 (907)455-6777 FAIRBANKS ,AK s    
ABR INC GS-10F-0175M 907-455-6777 FAIRBANKS ,AK s
ABT ASSOCIATES INC. GS-00F-252CA 301-347-5093 CAMBRIDGE ,MA o
ADVANCED RESOURCE SOLUTIONS, INC GS-10F-0261S 530-676-1095 SHINGLE SPRINGS ,CA s
ADVANCED RESOURCES INTERNATIONAL INC GS-10F-077AA 7035288420 ARLINGTON ,VA s
AERIAL INFORMATION SYSTEMS, INC. GS-00F-170GA 909-793-9493 REDLANDS ,CA s/w/wo
AERO GRAPHICS, INC GS-00F-269GA 801-487-3273 SALT LAKE CITY ,UT s/v
AKRF, INC. GS-00F-011GA (646)388-9716 NEW YORK ,NY o  
ALISTO ENGINEERING GROUP, INC. GS-10F-0080M (925)279-5000 WALNUT CREEK ,CA s  
ALLIED GIS INC GS-10F-0200N (888)558-6277 ANCHORAGE ,AK s/w  
ALTHOUSE & MEADE INC 47QRAA19D005T 805-237-9626 PASO ROBLES ,CA s/w/wo/d
AMY S GREENE ENVIRONMENTAL CONSULTANTS INC GS-10F-0002T 908-788-9676 FLEMINGTON ,NJ s/w/wo
ANDERSON ENGINEERING & DESIGN, LLC 47QRAA18D00G0 301-305-1283 LEXINGTON PARK ,MD s/dv
ANDERSON ENGINEERING OF MINNESOTA, LLC 47QRAA18D006J 763-412-4000 MINNEAPOLIS ,MN s/dv
APPLIED MARINE SCIENCES, INC 47QRAA19D005B 925-373-7142 LIVERMORE ,CA s
APPLIED RESEARCH ASSOCIATES, INC. GS-00F-341CA 505-881-8074 ALBUQUERQUE ,NM o
ARCADIS U.S., INC. GS-00F-179CA 757-419-3976 HIGHLANDS RANCH ,CO o
ARCHAEOLOGICAL CONSULTING SERVICES, LTD. GS-10F-0224P 480-894-5477 TEMPE ,AZ s/w
ASIR, LLC GS-10F-0249X 505-247-9337 ALBUQUERQUE ,NM s
ASM AFFILIATES INC 47QRAA19D0092 3102783100 CARLSBAD ,CA s
ASM AFFILIATES INC GS-10F-0373N (310) 278-3100 X101 CARLSBAD ,CA s
ASPEN ENVIRONMENTAL GROUP GS-10F-0229N 818-597-3407 AGOURA HILLS ,CA s/d
ATCS, P.L.C. GS-10F-0040V 703-430-7500 HERNDON ,VA o
ATKINS NORTH AMERICA, INC. GS-00F-007AA 813-281-4584 TAMPA ,FL o
ATLANTIC GROUP, LLC, THE GS-10F-106AA 2569719991 HUNTSVILLE ,AL s
AVANTI CORPORATION GS-10F-0308P 703-765-0060 ALEXANDRIA ,VA s/w/wo
B&B DIVERSIFIED ENTERPRISES, INC. GS-00F-307DA 610-845-0640 BARTO ,PA s/w/wo/d
BALDWIN GROUP, INC. (THE) GS-00F-077CA 703-392-0918 MANASSAS ,VA s/w/wo
BAT ASSOCIATES, INC. GS-10F-0123L 8653632430 OAK RIDGE ,TN o
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-4647 COLUMBUS ,OH o
BB&E, INC. GS-10F-0103N 2484899636 NORTHVILLE ,MI s
BBJ GROUP LLC GS-10F-0471X 312-644-8556 X221 CHICAGO ,IL s
BHATE ENVIRONMENTAL ASSOCIATES, INC. 47QRAA19D004S 205-918-4044 BIRMINGHAM ,AL s
BHATE ENVIRONMENTAL ASSOCIATES, INC. GS-10F-0312K 2059184000 BIRMINGHAM ,AL s
BIODIVERSITY RESEARCH INSTITUTE INC GS-10F-226AA 207-887-7160 PORTLAND ,ME o
BIORESOURCE CONSULTANTS, INC. GS-10F-0437X 805-844-5820 OJAI ,CA s/d
BOHANNAN-HUSTON, INC. GS-00F-0001Y 5058231000 ALBUQUERQUE ,NM o
BOOZ ALLEN HAMILTON INC. GS-00F-008DA 703-377-4359 MCLEAN ,VA o
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072725264 ANCHORAGE ,AK s/w/wo/ew/d
BURLESON CONSULTING, INC. GS-10F-0277R 916-984-4651 FOLSOM ,CA s/d
C. H. GUERNSEY & COMPANY 47QRAA19D00DM 405-416-8278 OKLAHOMA CITY ,OK o
CALIBRE SYSTEMS, INC. GS-00F-185CA 7037978560 ALEXANDRIA ,VA o
CARDNO GS, INC. GS-00F-196CA 916-355-1248 CHARLOTTESVILLE ,VA o
CARDNO, INC. GS-10F-0041L 925-988-1265 LONE TREE ,CO o
CH2M HILL, INC. GS-00F-018CA 8655602907 ENGLEWOOD ,CO o
CHEROKEE NATION GOVERNMENT SOLUTIONS GS-00F-174CA 303-277-1444 CATOOSA ,OK s
CHESAPEAKE ENVIRONMENTAL COMMUNICATIONS, INC. 47QRAA18D005E 804-832-0630 RICHMOND ,VA s/w/wo/ew/d
CIRRUS ECOLOGICAL SOLUTIONS, L.C. GS-10F-0164T 4357871490 LOGAN ,UT s
COASTAL ENVIRONMENTS, INC. GS-10F-0445N 2253837455 EXT110 BATON ROUGE ,LA s
COGSTONE RESOURCE MANAGEMENT GS-10F-0463X 7149748300 ORANGE ,CA s/w/wo/ew/d/8a
COLLABORATIVE, INC. THE GS-00F-0017R (617)338-0018 BOSTON ,MA s/d  
COMMONWEALTH HERITAGE GROUP,INC. GS-00F-261DA 5177883550 DEXTER ,MI s
COMPREHENSIVE ENVIRONMENTAL INC. 47QRAA18D00DM 603-424-0564 BOLTON ,MA s/w/wo/ew/d
CONCURRENT TECHNOLOGIES CORPORATION GS-00F-0072M 814-269-6576 JOHNSTOWN ,PA o
CONSOLIDATED SAFETY SERVICES INCORPORATED GS-00F-217CA (703) 877-3325 FAIRFAX ,VA o
COPPERHEAD ENVIRONMENTAL CONSULTING, INC 47QRAA18D00CR 8599259012 PAINT LICK ,KY s
CORNERSTONE ENVIRONMENTAL CONSULTING, LLC 47QRAA19D0057 928-522-4148 FLAGSTAFF ,AZ s/d
CRITIGEN LLC GS-10F-0480X (720)872-4404 DENVER ,CO o  
CRS CONSULTING ENGINEERS, INCORPORATED 47QRAA19D004X 1-801-359-5565 SALT LAKE CITY ,UT s/d
CSA OCEAN SCIENCES INC. GS-10F-0443M 7722193000 STUART ,FL o
DAVEY TREE EXPERT COMPANY, THE GS-10F-0615N 330-673-9515 KENT ,OH o
DESERT ARCHAEOLOGY, INC GS-10F-161AA 520-881-2244 TUCSON ,AZ s
DOWNSTREAM STRATEGIES LLC GS-10F-103AA 304-292-2450 MORGANTOWN ,WV s
DPRA INCORPORATED 47QRAA19D003T (785)564-6041 KNOXVILLE ,TN s
DPRA INCORPORATED GS-00F-0030L 785-564-6041 KNOXVILLE ,TN s
DS2 LLC 47QRAA19D005F 850-307-2781 NICEVILLE ,FL s/dv
DYNAMIX CORPORATION GS-10F-0299P 240-297-0073 COLLEGE PARK ,MD s/d/h
EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBC 47QRAA19D005G 410-527-2402 HUNT VALLEY ,MD s
EARTH RESOURCES TECHNOLOGY, INC. GS-00F-109CA 301-323-1435 LAUREL ,MD o
ECO & ASSOCIATES INC GS-10F-0371U 714-289-0995 TUSTIN ,CA s/w/d/8a
ECOLOGY AND ENVIRONMENT, INC. 47QRAA18D0073 716-684-8060 ARLINGTON ,VA o
ECORP CONSULTING, INC GS-10F-0010P 916-782-9100 ROCKLIN ,CA o
ECOSPHERE ENVIRONMENTAL SERVICES, INC. GS-10F-0462N 970-382-7256 DURANGO ,CO s
ECOSYSTEM RESEARCH GROUP LLC GS-10F-0288P 406-721-9420 MISSOULA ,MT s/h
ECOSYSTEM SCIENCES GS-00F-277DA 208-383-0226 BOISE ,ID s
ELYON INTERNATIONAL, INC. GS-00F-203GA (360)696-5892 VANCOUVER ,WA s/w/wo/ew/v/d  
EMMONS & OLIVIER RESOURCES, INC. GS-10F-0155W (651)203-6029 SAINT PAUL ,MN s  
EMR ENVIRONMENTAL, LLC GS-10F-0222R (785) 842-9013 OVERLAND PARK ,KS s/w/wo/d/8a
ENGINEERING & ENVIRONMENT, INC. GS-10F-0082L 7574570002 VIRGINIA BEACH ,VA s
ENVIRON-CIVIL ENGINEERING, LTD GS-00F-317CA 4102905950 COLUMBIA ,MD s/d
ENVIRONMENTAL COST MANAGEMENT, INC. GS-10F-0335R 916-241-9290 COSTA MESA ,CA s/d
ENVIRONMENTAL MONITORING SENSOR INTELLIGENCE CORP. GS-10F-0199X (703)232-7111 RESTON ,VA s/d  
ENVIRONMENTAL PLANNING GROUP, LLC GS-10F-0046N (602)956-4370 PHOENIX ,AZ s  
ENVIRONMENTAL RESEARCH GROUP LLC GS-10F-142BA 4103665170 BALTIMORE ,MD s/w/wo/ew/dv/8a
ENVIRONMENTAL SCIENCE ASSOCIATES GS-10F-0191M 415-896-5900 SAN FRANCISCO ,CA o
ENVIRONMENTAL SERVICES, INC. (OF FLORIDA) GS-10F-0003X (904)470-2200 JACKSONVILLE ,FL s/w  
ENVIROSCIENCE, INC. GS-10F-0181U 330-688-0111 STOW ,OH s
EPSILON SYSTEMS SOLUTIONS, INC. GS-00F-0035N 619-702-1700 SAN DIEGO ,CA o
ERO RESOURCES CORPORATION GS-10F-0302L 303-830-1188 DENVER ,CO s
ESP ASSOCIATES, INC. GS-10F-189BA 336-232-5213 FORT MILL ,SC o
ESS GROUP, INC. GS-10F-0080W 401-330-1260 RIVERSIDE ,RI s
FPM GROUP, LTD. GS-00F-104CA 631-737-6200 RONKONKOMA ,NY s
FRED PHILLIPS CONSULTING LLC GS-10F-0024W 928-773-1530 FLAGSTAFF ,AZ s
FREESTONE ENVIRONMENTAL SERVICES, INC. 47QRAA18D00GS 509-943-5222 RICHLAND ,WA s
FUGRO EARTHDATA, INC. GS-10F-0444P 301-948-8550 FREDERICK ,MD o
G.E.C., INC. 47QRAA19D001J 2256124178 BATON ROUGE ,LA o
GARCIA AND ASSOCIATES GS-10F-0389R 4154585803 SAN ANSELMO ,CA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 401-845-3658 FAIRFAX ,VA o
GENWEST SYSTEMS, INC. GS-00F-0002W 425-771-2700 EDMONDS ,WA s/dv
GEOENGINEERS, INC. 47QRAA18D00E3 (425) 861-6000 REDMOND ,WA o
GEOGRAPHIC INFORMATION SERVICES, INC. 47QRAA19D00BD 2057255802 BIRMINGHAM ,AL o
GEOGRAPHIC RESOURCE SOLUTIONS INC GS-10F-0451N 707-822-8005 ARCATA ,CA s
GEOMORPH INFORMATION SYSTEMS LLC GS-10F-0236X 6197877974 SAN DIEGO ,CA s/w/wo/ew/d/h
GEOSYNTEC CONSULTANTS INC GS-10F-0106M 919-424-1823 KENNESAW ,GA o
GIS SURVEYORS, INC. 47QRAA18D003P (619)471-1884 POWAY ,CA s/dv/d    
GP STRATEGIES CORPORATION GS-00F-0039N 443-367-9611 COLUMBIA ,MD o
GRB ENVIRONMENTAL SERVICES INC GS-10F-0284X 212-564-8640 NEW YORK ,NY s/w
GREEN VEST L.L.C. GS-10F-040CA (561)640-9171 ANNAPOLIS ,MD s  
GREENMAN-PEDERSEN, INC. GS-23F-0032S 518-209-4823 BABYLON ,NY o
GREENSMITH, INC. GS-10F-0056W 847-864-4070 EVANSTON ,IL s
GRYPHON ENVIRONMENTAL, LLC GS-10F-144BA 719-578-3330 COLORADO SPRINGS ,CO s/dv
GSE, INC. 47QRAA18D008P 256-350-9754 TRINITY ,AL s/w/wo/d
GSI NORTH AMERICA INC. 47QRAA19D002Z 808-349-3178 FLEMINGTON ,NJ s/d/8a
HARRIS ENVIRONMENTAL GROUP, INC. GS-10F-0457R 5206287648 TUCSON ,AZ s/w/wo/ew/d/8a/h
HAWAII INTERNATIONAL ENVIRONMENTAL SERVICES, INC. GS-10F-0132L 808-263-4787 KAILUA ,HI s/w/wo/ew
HDR ENGINEERING, INC. GS-00F-152CA 303-754-4252 OMAHA ,NE o
HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC. GS-10F-0073L 303-754-4252 ENGLEWOOD ,CO o
HELIX ENVIRONMENTAL PLANNING, INC. GS-10F-0020V 619-462-1515 LA MESA ,CA o
HEXAGON US FEDERAL, INC. 47QRAA18D00A2 478-322-3258 HUNTSVILLE ,AL o
HORIZON ENVIRONMENTAL SERVICES, INC. 47QRAA19D00BS 970-259-4346 DURANGO ,CO s/w/wo/ew
HORSLEY WITTEN GROUP, INC. GS-10F-0304T 508-833-6600 SANDWICH ,MA s
HYDROGEOLOGIC, INC. 47QRAA18D00CW 7034785186 RESTON ,VA s
HYDROGEOLOGIC, INC. GS-10F-0085K 7034785186 RESTON ,VA s
HYDROSOLUTIONS INC GS-10F-0172X 4066559555X100 HELENA ,MT s/dv
I.M. SYSTEMS GROUP, INC. GS-00F-311CA 240-833-1889 ROCKVILLE ,MD o
IAP WORLD SERVICES INC GS-00F-0022L 321-784-7285 CAPE CANAVERAL ,FL o
IIC TECHNOLOGIES INC. GS-10F-0104V (410) 997-7631 RIVERDALE ,MD o
INNOVATIVE IMAGING & RESEARCH CORP 47QRAA18D005Y 228-688-2452 STENNIS SPACE CENTE ,MS s/w/wo/ew
INTEGRATED SCIENCE SOLUTIONS, INC. GS-10F-0077X 9259791535 WALNUT CREEK ,CA s/w/wo
INTEGRATED STATISTICS INCORPORATED GS-10F-0395N 5085408560 WOODS HOLE ,MA s/w/wo
J.G. MANAGEMENT SYSTEMS, INC. GS-00F-0014Y 970-254-1354 GRAND JUNCTION ,CO s/d/8a
JACOBS ENGINEERING GROUP INC. GS-00F-0025M (314)335-4144 ARLINGTON ,VA o  
JARDON & HOWARD TECHNOLOGIES, INCORPORATED GS-00F-0059M 407-381-7797 ORLANDO ,FL o
JE FULLER/HYDROLOGY AND GEOMORPHOLOGY, INC. GS-00F-079GA 480-222-5707 TEMPE ,AZ s
JOHNSON COMPANY, INC. THE GS-10F-0481P 8022294600 MONTPELIER ,VT s
JOHNSON, MIRMIRAN & THOMPSON, INC. GS-00F-194CA 410-329-3100 HUNT VALLEY ,MD o
KELLER-BLIESNER ENGINEERING, LLC 47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KENIFIC GROUP INC, THE 47QRAA19D00C7 571-363-4002 FAIRFAX ,VA s/d
KIER, WILLIAM M ASSOCIATES GS-10F-0124U 415-721-7548 SAN RAFAEL ,CA s
KLAMATH WILDLIFE RESOURCES GS-10F-0399Y 530-244-5652 REDDING ,CA s
KLEINSCHMIDT ASSOCIATES 47QRAA18D005P 207-487-3328 PITTSFIELD ,ME o
KNIGHT FEDERAL SOLUTIONS INC 47QRAA19D004N 407-243-6008 ORLANDO ,FL s
KPGEO, LLC 47QRAA19D0052 8166953357 PRAIRIE VILLAGE ,KS s
L S A ASSOCIATES, INC. 47QRAA18D009Y 949-553-0666 IRVINE ,CA o
LARSON DESIGN GROUP, INC. 47QRAA19D00CU 412-528-0525 WILLIAMSPORT ,PA o
LEIDOS INNOVATIONS CORPORATION GS-00F-242CA 301-452-5781 GAITHERSBURG ,MD o
LEIDOS, INC. GS-00F-022CA (571) 526-7085 RESTON ,VA o
LG2 ENVIRONMENTAL SOLUTIONS INC GS-10F-0375N 904-288-8631 JACKSONVILLE ,FL s/w/wo/ew/d/8a
LIMNO-TECH, INC. GS-10F-150BA 7348213159 ANN ARBOR ,MI o
LINDAHL REED, INC. 47QRAA18D00GR 541-728-1102 REDMOND ,OR s/w/wo/ew
LJB INC GS-00F-049CA (937) 259-5146 MIAMISBURG ,OH s
LOGAN SIMPSON DESIGN INC. GS-10F-0063P 480-967-1343 TEMPE ,AZ o
LOUIS BERGER GROUP, INC., THE 47QRAA18D002R 202-303-2613 WASHINGTON ,DC o
LOUIS BERGER GROUP, INC., THE GS-00F-0004L 202-303-2613 WASHINGTON ,DC o
LOW IMPACT DEVELOPMENT CENTER (LID), INC. GS-10F-0084N 3019825559 BELTSVILLE ,MD o
LRS FEDERAL LLC GS-10F-0360T 4105443570 PASADENA ,MD s/dv
LYNKER TECHNOLOGIES LLC GS-00F-125CA 703-431-5855 BOULDER ,CO s/d/h
M. C. FUHRMAN & ASSOCIATES LLC GS-00F-025CA 8567956111 HADDONFIELD ,NJ s/v
MANAGEMENT & ENGINEERING SVCS LLC GS-10F-0159L (303)684-0215 LONGMONT ,CO s  
MANTECH SRS TECHNOLOGIES, INC. GS-10F-0054R 703-218-6440 HERNDON ,VA o
MARSTEL-DAY, LLC GS-00F-070CA 7038395512 FREDERICKSBURG ,VA s/w/wo/h
MASON BRUCE & GIRARD INC GS-10F-0295M 503-224-3445 PORTLAND ,OR s/d
MATRIX DESIGN GROUP, INC. 47QRAA19D009K 5719690495 COLORADO SPRINGS ,CO o
MATRIX ENVIRONMENTAL SERVICES LLC GS-00F-057GA 303-572-0200 DENVER ,CO s
MEAD AND HUNT, INC. GS-00F-230DA 888-364-7272 MIDDLETON ,WI o
MERKEL & ASSOCIATES, INC. GS-10F-0060T (858)560-5465 SAN DIEGO ,CA s/w  
MICHAEL BAKER INTERNATIONAL, INC. GS-00F-0032M 703-483-0029 ALEXANDRIA ,VA o
NATURAL RESOURCE INNOVATIONS GMBH 47QRAA19D002P (622)510-694 HEIDELBERG ,
GERMANY
s    
NATURAL SYSTEMS ANALYSTS, INC. GS-10F-0211W 4077183880 DUBOIS ,WY s/d/8a
NATURES IMAGE, INC. GS-10F-045BA 9496804400 LAKE FOREST ,CA s/w/wo
NEXGEN TECHNOLOGIES, INC. GS-10F-0270W 720.377.1800 WESTMINSTER ,CO s/d
NICHOLS CONSULTING ENGINEERS, CHTD. 47QRAA18D008A 7753294955 RENO ,NV s
NORMANDEAU ASSOCIATES INC GS-10F-0319M 603-637-1168 BEDFORD ,NH o
NORTH WIND RESOURCE CONSULTING, LLC GS-10F-111BA 208-419-4152 IDAHO FALLS ,ID s/d/8a
NORTH WIND, INC. GS-10F-0247L (208)528-8718 IDAHO FALLS ,ID s/d  
NORTHLAND RESEARCH, INC GS-10F-0070W 480-894-0020 FLAGSTAFF ,AZ s
NUTTER & ASSOCIATES, INC. 47QRAA19D009B (706)354-7925 ATHENS ,GA s/h    
OCEAN ASSOCIATES, INCORPORATED GS-10F-0567P 703-388-9548 ARLINGTON ,VA o
ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC GS-00F-0006L 4142574200 MILWAUKEE ,WI s/d/8a
OTAK, INC. GS-10F-0401X 503-287-6825 PORTLAND ,OR o
OTIS BAY, INC. GS-10F-0331Y (775)345-9960 VERDI ,NV s  
PACE ENGINEERS INC GS-10F-023AA (425)827-2014 KIRKLAND ,WA s  
PACIFIC WATERSHED ASSOCIATES INC GS-10F-0244V (707) 839-5130 MCKINLEYVILLE ,CA s
PACIFIC WESTERN TECHNOLOGIES, LTD. GS-00F-0002M 303-274-5400 EXT 104 WHEAT RIDGE ,CO s/w/d
PANAMERICAN CONSULTANTS, INC. GS-10F-0196P 2052488767 TUSCALOOSA ,AL s
PARAMETRIX, INC. GS-10F-0013N 253-501-5155 PUYALLUP ,WA o
PARSONS GOVERNMENT SERVICES INC. 47QRAA19D000A (210) 477-1616 PASADENA ,CA o
PARSONS GOVERNMENT SERVICES INC. GS-00F-0005R 210-477-1616 PASADENA ,CA o
PC TRASK AND ASSOCIATES INC. 47QRAA19D000H (503)240-3973 PORTLAND ,OR s    
PERIKIN ENTERPRISES, LLC GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d
PERSPECTA SERVICES & SOLUTIONS INC. GS-00F-296CA 571-521-7776 HERNDON ,VA o
PIONEER TECHNICAL SERVICES, INC. GS-10F-050AA 406-497-8057 BUTTE ,MT s
PIONEER TECHNOLOGIES CORP GS-10F-0176S (360)570-1700 LACEY ,WA s  
PORTAGE, INC. GS-00F-262CA 2084194152 IDAHO FALLS ,ID s
POTOMACWAVE CONSULTING, INC. GS-00F-0007X 703-997-6066 ALEXANDRIA ,VA s/w/wo/ew
PROFESSIONAL ENVIRONMENTAL ENGINEERS, INC. GS-10F-200BA 314-531-0060 SAINT LOUIS ,MO s/w
QUANTUM SPATIAL, INC. GS-10F-0423R 301-262-9400 SAINT PETERSBURG ,FL o
QUATERNARY RESOURCE INVESTIGATIONS, L.L.C. GS-10F-105BA 225-329-4212 BATON ROUGE ,LA s/w/wo/ew/d
R2 RESOURCE CONSULTANTS, INC GS-00F-300DA 4255561288 REDMOND ,WA s
R2T, INC. GS-00F-129GA 7705697038 ATLANTA ,GA s/w/wo/ew/d
RE/SPEC INC. GS-00F-0078N 6053946400 RAPID CITY ,SD o
RECON ENVIRONMENTAL GS-10F-0339M 619-308-9333 EXT 181 SAN DIEGO ,CA s
REDHORSE CORPORATION GS-00F-0013Y 619-241-4609 SAN DIEGO ,CA s/dv/d/8a
RESEARCH PLANNING, INC. 47QRAA19D003K 803-256-7322 COLUMBIA ,SC s/w/wo
RESEARCH PLANNING, INC. GS-10F-0082N 803 256-7322 COLUMBIA ,SC s/w
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 919-541-6634 RESEARCH TRIANGLE P ,NC o
RIVERSIDE TECHNOLOGY, INC. GS-00F-0026P 9702149419 FORT COLLINS ,CO o
ROSS & ASSOCIATES ENVIRONMENTAL CONSULTING, LTD. GS-00F-0045P 2064471805 SEATTLE ,WA s
S P CRAMER & ASSOCIATES INC 47QRAA19D0045 503-850-9024 PORTLAND ,OR s
S.S. PAPADOPULOS & ASSOCIATES, INC. GS-10F-0462M 3017188900 BETHESDA ,MD s
SANBORN MAP COMPANY, INC., THE GS-10F-0099W (719) 264-5510 COLORADO SPRINGS ,CO o
SES, INC. GS-10F-0460M 9133070046 LENEXA ,KS s
SOLV LLC 47QRAA18D00DH 7037604801 MC LEAN ,VA s
SONOMA TECHNOLOGY, INC. 47QRAA18D00D1 707-665-9900 PETALUMA ,CA s
SONOMA TECHNOLOGY, INC. GS-10F-0181K 707-665-9900 PETALUMA ,CA s
SPECPRO PROFESSIONAL SERVICES, LLC 47QRAA19D004W 210-201-8994 SAN ANTONIO ,TX s/d/8a
SPECPRO, INC. GS-00F-0026Y (210)494-4282 SAN ANTONIO ,TX s/h  
SPECTRUM GIS, INC. GS-10F-0402Y 702 795 8254 LAS VEGAS ,NV s/w/wo
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q 916-418-8338 BROOMFIELD ,CO o
STANTEC CONSULTING SERVICES INC. GS-00F-0040L 615-238-2733 BROOMFIELD ,CO o
STANTEC CONSULTING SERVICES INC. GS-10F-0008S (530)222-5347 REDDING ,CA o  
STEARNS, CONRAD AND SCHMIDT CONSULTING ENGINEERS, INC.
(DBA: SCS ENGINEERS)
GS-10F-0371K 703-471-6150 LONG BEACH ,CA o
STETSON ENGINEERS, INC GS-10F-0404P 415-457-0701 SAN RAFAEL ,CA s
STILLWATER ECOSYSTEM, WATERSHED & RIVERINE SCIENCES GS-10F-0216S 5108488098 BERKELEY ,CA s/w/wo
STRAUGHAN ENVIRONMENTAL, INC. GS-10F-014CA 4435392534 COLUMBIA ,MD s/w/wo/ew/d
SURVEYING AND MAPPING, LLC 47QRAA18D008X 512-447-0575 AUSTIN ,TX o
SWCA, INCORPORATED 47QRAA19D004C (602) 274-3831 PHOENIX ,AZ o
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SYSTEMATIC MANAGEMENT SERVICES, INC. GS-00F-241CA 3013530072 FREDERICK ,MD s
T3W BUSINESS SOLUTIONS, INC. 47QRAA19D000N 6192980888 SAN DIEGO ,CA s/w/wo
TECHLAW, INC. 47QSWA18D008B 7038183233 CHANTILLY ,VA s
TECTONIC ENGINEERING & SURVEYING CONSULTANTS PC GS-00F-015BA 1-845-534-5959 MOUNTAINVILLE ,NY o
TERRANEXT, LLC GS-10F-0320L 303-399-6145 DENVER ,CO s/w/wo/ew/d
TERWILLIGER CONSULTING, INC. GS-10F-0220L (757) 787-3974 LOCUSTVILLE ,VA s/w/wo
TETRA TECH EC, INC. 47QRAA18D00H0 8036414928 GOLDEN ,CO o
TETRA TECH, INC. GS-00F-168CA 8056813102 PASADENA ,CA o
TETRAHEDRON INC GS-10F-0598N (410) 837-0512 BALTIMORE ,MD s/w/d/8a
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TRANSCON ENVIRONMENTAL INC. GS-10F-0192M 707-786-6502 MESA ,AZ s/d
TRC ENVIRONMENTAL CORPORATION GS-10F-0401M 978-656-3620 WINDSOR ,CT o
TRIHYDRO CORPORATION GS-00F-136GA 307-745-7474 LARAMIE ,WY s/h
TRINITY ANALYSIS AND DEVELOPMENT CORP. GS-00F-213DA 850-613-6800 SHALIMAR ,FL s/d
TRINITY CONSULTANTS, INC. GS-10F-0256N 972-661-8100 DALLAS ,TX o
TRINITY ENGINEERING ASSOCIATES, INC. GS-10F-0306P (513) 620-7115 CINCINNATI ,OH s/wo/ew/8a
URS GROUP, INC. GS-00F-188CA 210-253-7531 SAN ANTONIO ,TX o
VANASSE HANGEN BRUSTLIN INC GS-00F-116CA 757-220-0500 WILLIAMSBURG ,VA o
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WATER, CIVIL, AND ENVIRONMENTAL INCORPORATED GS-00F-386GA (208) 319-9744 BOISE ,ID s/w/wo/ew/d/8a
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WENCK ASSOCIATES, INC. GS-10F-0220W 678-987-5845 MAPLE PLAIN ,MN s
WEST KERN ENVIRONMENTAL CONSULTING, LLC GS-00F-408GA 6613198713 BAKERSFIELD ,CA s/w/wo/ew/d/8a
WESTERN ECOSYSTEMS TECHNOLOGY, INC. GS-10F-072BA 3076341756 CHEYENNE ,WY o
WESTON SOLUTIONS, INC. 47QRAA19D00BT 7039697418 ALBUQUERQUE ,NM o
WETLAND STUDIES AND SOLUTIONS, INC. GS-10F-0273W 703-679-5609 GAINESVILLE ,VA o
WHITE SHIELD, INC. GS-10F-0357U 509-547-0100 PASCO ,WA s/d
WOOD ENVIRONMENT & INFRASTRUCTURE SOLUTIONS, INC. GS-00F-314CA 610-877-6021 BLUE BELL ,PA o
WOODARD & CURRAN, INC. GS-10F-0086M 7812510200 PORTLAND ,ME o
WOOLPERT, INC. GS-00F-0038N 937-531-1309 DAYTON ,OH o
WSP USA INC. 47QRAA19D003Q 217-649-8754 NEW YORK ,NY o
XCEL ENGINEERING, INC. GS-10F-0211P 8657668542 OAK RIDGE ,TN s/dv
ZEPHYR ENVIRONMENTAL CORP GS-00F-008GA 410-312-7920 AUSTIN ,TX s
ZIA ENGINEERING & ENVIRONMENTAL CONSULTANTS, L.L.C. GS-10F-0391N 575-680-2337 LAS CRUCES ,NM s/d