GSA Federal Acquisition Service
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FAS National Customer Service Ctr
Phone: 1-800-488-3111
E-mail: ncsccustomer.service@gsa.gov

MAS Multiple Award Schedule
Professional Services - Technical and Engineering Services (non-IT)
Category Description
541370GIS Geographic Information Systems (GIS) Services Geographic Information Services (GIS) provided in support of environmental program include: cultural resource GIS (CRGIS); 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 scope shall NOT include surveying and mapping services as set forth in FAR Part 36, and defined under the Brooks Act of 1972 (Public Law 92-582, 40 U.S. 1102 et seq.).
269 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
A.I.S., INC. GS-10F-0131T 508-990-9054 DARTMOUTH ,MA s
ABR INC 47QRAA20D0010 (907) 455-6777 EXT. FAIRBANKS ,AK s
ABT ASSOCIATES, INC. GS-00F-252CA 301-347-5093 ROCKVILLE ,MD 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
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-419-5738 LOS ANGELES ,CA o
AERIAL INFORMATION SYSTEMS, INC. GS-00F-170GA 9097939493 REDLANDS ,CA s/w/wo
AERO GRAPHICS, INC GS-35F-423GA 801-487-3273 SALT LAKE CITY ,UT s
AEROTECH MAPPING, INC. 47QRAA22D005H 520-561-6537 LAS VEGAS ,NV s/w/wo/d
ALASKA BIOMAP, INC. 47QSWA19D000K 907-321-2908 JUNEAU ,AK s/w/wo
ALTHOUSE & MEADE INC 47QRAA19D005T (805)237-9626 PASO ROBLES ,CA s/w/wo/d  
ANDERSON ENGINEERING & DESIGN, LLC 47QRAA18D00G0 (240)237-8475 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
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 X 701 CARLSBAD ,CA s
ASPEN ENVIRONMENTAL GROUP       GS-10F-0229N 818-597-3407 AGOURA HILLS ,CA s/d
ATCS, P.L.C. GS-10F-0040V 703-817-3544 HERNDON ,VA o
ATKINS NORTH AMERICA, INC. 47QRAA21D002Z 813 281 4430 TAMPA ,FL o
ATLANTIC GROUP, LLC, THE GS-10F-106AA 2569719991 HUNTSVILLE ,AL s
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E (801) 447-1623 CLEARFIELD ,UT s/w/wo/ew/dv/d/8a
AVANTI CORPORATION 47QRAA20D002D 703-765-0060 ALEXANDRIA ,VA s/w/wo/ew/d
AVANTI CORPORATION GS-10F-0308P 703-765-0060 ALEXANDRIA ,VA s/w/wo
AXIOM CONSULTANTS INC. 47QRAA19D0077 703-599-1502 ROCKVILLE ,MD s/w/wo/ew/d/8a
BALDWIN GROUP, INC., THE GS-00F-077CA (703)392-0918 MANASSAS ,VA s/w/wo  
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-3522 COLUMBUS ,OH o
BB&E, INC. 47QRAA20D007E 2484899636 NORTHVILLE ,MI s
BB&E, INC. GS-10F-0103N 2484899636 NORTHVILLE ,MI s
BBJ GROUP LLC GS-10F-0471X 312-219-7769 CHICAGO ,IL s
BENT EAR SOLUTIONS LLC 47QRAA21D005T 7036557019 ALEXANDRIA ,VA s/v/d
BHATE ENVIRONMENTAL ASSOCIATES, INC. 47QRAA19D004S 2059184033 BIRMINGHAM ,AL s
BIODIVERSITY RESEARCH INSTITUTE INC GS-10F-226AA 207-839-7600 PORTLAND ,ME o
BIORESOURCE CONSULTANTS, INC.       GS-10F-0437X 805-646-9006 OJAI ,CA s/d
BOHANNAN-HUSTON, INC. GS-00F-0001Y 505-798-7925 ALBUQUERQUE ,NM o
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 7033774359 MCLEAN ,VA o
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BROADBENT & ASSOCIATES, INC. 47QRAA20D004L 775-322-7969 EXT. 60 HENDERSON ,NV o
BURLESON CONSULTING, INC. GS-10F-0277R (913)202-7528 SACRAMENTO ,CA s/d  
C. H. GUERNSEY & COMPANY 47QRAA19D00DM 405-416-8278 OKLAHOMA CITY ,OK o
CALIBRE SYSTEMS, INC. GS-00F-185CA 7037978500 ALEXANDRIA ,VA o
CARDNO GS, INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
CATALYST GROUP OF COMPANIES LIMITED LIABILITY COMPANY, THE 47QRAA22D00DA 7327896860 WEST WINDSOR ,NJ s/d
CHESAPEAKE ENVIRONMENTAL COMMUNICATIONS, INC. 47QRAA18D005E (804)824-3945 RICHMOND ,VA s/w/wo/ew/d  
CHLOETA FIRE, L.L.C. GS-10F-049BA 877-245-6382 OKLAHOMA CITY ,OK s/d/8a/h
CIRRUS ECOLOGICAL SOLUTIONS, L.C. GS-10F-0164T 4357871490 LOGAN ,UT s
COASTAL ENVIRONMENTS INC GS-10F-0445N 225-383-7455 BATON ROUGE ,LA s
COGSTONE RESOURCE MANAGEMENT GS-10F-0463X 714-974-8300 ORANGE ,CA s/w/wo/ew/d/8a
COMMONWEALTH HERITAGE GROUP,INC. GS-00F-261DA 5173206929 DEXTER ,MI s
COMMONWEALTH HERITAGE GROUP,INC. GS-10F-0224P 480-894-5477 DEXTER ,MI s
COMPREHENSIVE ENVIRONMENTAL INC. 47QRAA18D00DM 603-424-0564 BOLTON ,MA s/w/wo/ew/d
CONCURRENT TECHNOLOGIES CORPORATION 47QRAA21D0021 814-269-2871 JOHNSTOWN ,PA o
CONDOR COUNTRY CONSULTING, INC. 47QRAA22D001Q 510-612-8761 MARTINEZ ,CA s/d
CONSOLIDATED SAFETY SERVICES INCORPORATED GS-00F-217CA (703) 877-3352 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 4254177194 GREENWOOD VILLAGE ,CO o
CRS CONSULTING ENGINEERS, INCORPORATED       47QRAA19D004X 801-359-5565 SALT LAKE CITY ,UT s/d
DAVEY RESOURCE GROUP, INC. GS-10F-0615N 5088253217 KENT ,OH o
DESERT ARCHAEOLOGY, INC GS-10F-161AA 520-881-2244 TUCSON ,AZ s
DJ&A, P.C. GS-10F-0288P (406)721-4320 MISSOULA ,MT s/h    
DOWNSTREAM STRATEGIES LLC GS-10F-103AA 304-292-2450 MORGANTOWN ,WV s
DPRA INCORPORATED 47QRAA19D003T 785-564-6041 KNOXVILLE ,TN s
DS2 LLC 47QRAA19D005F 850-307-2781 NICEVILLE ,FL s/dv
DYNAMIX CORPORATION GS-10F-0299P (301)513-0101 COLLEGE PARK ,MD s/d/h  
E & S ENVIRONMENTAL CHEMISTRY, INC.       47QRAA21D003Q 541-758-1330 CORVALLIS ,OR s
EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBC 47QRAA19D005G 410-329-5160 HUNT VALLEY ,MD s
EARTH RESOURCES TECHNOLOGY, INC. GS-00F-109CA (301)323-1411 LAUREL ,MD o  
ECO & ASSOCIATES INC GS-10F-0371U 714-289-0995 TUSTIN ,CA s/w/d/8a
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 SCIENCES GS-00F-277DA 2083830226 BOISE ,ID s
ELOS ENVIRONMENTAL, L.L.C. 47QRAA22D005N 985-974-0703 HAMMOND ,LA s
ELYON INTERNATIONAL, INC. GS-00F-203GA (360) 696-5892 VANCOUVER ,WA s/w/wo/v/d
ENGINEERING & ENVIRONMENT, INC. 47QRAA21D0005 7572879566 VIRGINIA BEACH ,VA s
ENVIRON-CIVIL ENGINEERING, LTD GS-00F-317CA (410)461-6451 COLUMBIA ,MD s/d  
ENVIRONMENTAL COST MANAGEMENT, INC. GS-10F-0335R (510) 964-4399 COSTA MESA ,CA s/d
ENVIRONMENTAL PLANNING GROUP, LLC GS-10F-0046N (602)956-4370 TEMPE ,AZ s  
ENVIRONMENTAL RESEARCH GROUP LLC GS-10F-142BA 4103665170 BALTIMORE ,MD s/w/wo/ew/dv/8a
ENVIRONMENTAL SCIENCE ASSOCIATES 47QRAA21D00AJ 415.896.5900 SAN FRANCISCO ,CA s/d
ENVIROSCIENCE, INC. GS-10F-0181U 330-688-0111 CUYAHOGA FALLS ,OH s
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
ERO RESOURCES CORPORATION 47QRAA21D0075 3038301188 DENVER ,CO s/w/wo/d
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
ESSNOVA SOLUTIONS, INC. GS-35F-427GA 888-405-3189 BIRMINGHAM ,AL s/d/8a/h
FIVE 9 GROUP, INC. GS-35F-067GA 703-896-7620 FAIRFAX ,VA s
FLOWWEST, LLC 47QRAA22D0057 (727)992-3536 OAKLAND ,CA s    
FLUOR FEDERAL SERVICES, INC. 47QSHA22D0008 703-351-6450 GREENVILLE ,SC o
FPM GROUP, LTD. GS-00F-104CA 631-737-6200 BOHEMIA ,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  
GDS ASSOCIATES, INC.       47QRAA22D0008 770-799-2399 MARIETTA ,GA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
GENWEST SYSTEMS, INC. 47QRAA22D006M 425-771-2700 EDMONDS ,WA s/dv
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 2057255836 BIRMINGHAM ,AL o
GEOGRAPHIC RESOURCE SOLUTIONS INC GS-10F-0451N 7078228005 ARCATA ,CA s
GEOMORPH INFORMATION SYSTEMS LLC GS-10F-0236X 619-787-7974 SAN DIEGO ,CA s/w/wo/ew/d/h
GEOSYNTEC CONSULTANTS,INC. 47QRAA22D003A 561-922-1079 BOCA RATON ,FL o
GIS SURVEYORS, INC. 47QRAA18D003P 8586791732 POWAY ,CA s/dv/d
GRB ENVIRONMENTAL SERVICES INC GS-10F-0284X 212-564-8640 NEW YORK ,NY s/w
GREENMAN-PEDERSEN, INC. 47QRAA21D004M 518-209-4823 BABYLON ,NY o
GREENMAN-PEDERSEN, INC. GS-23F-0032S 518-209-4823 BABYLON ,NY o
GRYPHON ENVIRONMENTAL, LLC GS-10F-144BA 719-578-3330 COLORADO SPRINGS ,CO s/dv
GSD LLC 47QRAA21D0022 7572070809 WILLIAMSBURG ,VA s/v
GSE, INC. 47QRAA18D008P (256)350-9754 TRINITY ,AL s/w/wo/d  
GSI NORTH AMERICA INC. 47QRAA19D002Z 808-393-7167 FLEMINGTON ,NJ s/d/8a
HARRIS ENVIRONMENTAL GROUP, INC. GS-10F-0457R 52006287648 TUCSON ,AZ s/w/wo/ew/d/8a/h
HDR ENGINEERING, INC. GS-00F-152CA 303-754-4252 OMAHA ,NE o
HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC. 47QRAA22D00AR 303-754-4252 ENGLEWOOD ,CO o
HEARTLAND GIS LLC 47QRAA22D0059 740-707-9029 DELAWARE ,OH s
HELIX ENVIRONMENTAL PLANNING, INC. GS-10F-0020V 3102783100 LA MESA ,CA o
HEXAGON US FEDERAL, INC. 47QRAA18D00A2 478-322-3258 HUNTSVILLE ,AL o
HEXAGON US FEDERAL, INC. 47QTCA18D003G 478-322-3258 HUNTSVILLE ,AL o
HORIZON ENVIRONMENTAL SERVICES, INC. 47QRAA19D00BS (970)884-2985 DURANGO ,CO s/w/wo/ew  
HORSLEY WITTEN GROUP, INC. 47QRAA22D005P 508-833-6600 SANDWICH ,MA s
HORSLEY WITTEN GROUP, INC. GS-10F-0304T 508-833-6600 SANDWICH ,MA s
HYDROGEOLOGIC, INC. 47QRAA18D00CW 703-736-4551 RESTON ,VA s
HYDROSOLUTIONS INC GS-10F-0172X 4064436169 HELENA ,MT s/dv
I.M. SYSTEMS GROUP, INC. GS-00F-311CA 240-833-1889 ROCKVILLE ,MD o
IAP WORLD SERVICES INC GS-35F-407GA (321) 784-7396 CAPE CANAVERAL ,FL o
IIC TECHNOLOGIES INC. GS-10F-0104V 4109977631 RIVERDALE ,MD o
INFRASTRUCTURE MANAGEMENT AND ENGINEERING, INC.       47QRAA22D0084 513-826-4338 CINCINNATI ,OH s/d/8a
INSIGNIA ENVIRONMENTAL 47QRAA20D005U 650-321-6787 MENLO PARK ,CA s/w/wo
INTEGRATED STATISTICS INCORPORATED 47QTCA19D00B9 5085408560 WOODS HOLE ,MA s/w/wo
INTEGRATED STATISTICS INCORPORATED GS-10F-0395N 5085408560 WOODS HOLE ,MA s/w/wo
IPARAMETRICS, LLC GS-10F-112CA 770-664-6636 ALPHARETTA ,GA s
J FOSTER & ASSOCIATES LLC 47QRAA22D0069 (208)709-0508 IDAHO FALLS ,ID s/w/wo/ew/d/8a    
J&M GLOBAL SOLUTIONS LLC GS-10F-0374X 5719706690 ALEXANDRIA ,VA s/w/wo/ew
JACOBS ENGINEERING GROUP INC. 47QRAA21D00AF 571-218-1304 ARLINGTON ,VA o
JARDON & HOWARD TECHNOLOGIES, INCORPORATED 47QRAA21D008B 407-381-7797 ORLANDO ,FL s/dv
JE FULLER/HYDROLOGY AND GEOMORPHOLOGY, INC. GS-00F-079GA 480-222-5707 TEMPE ,AZ s
JGMS GOVERNMENT SERVICES, LLC 47QRAA22D008H 9702541354 GRAND JUNCTION ,CO s/d
JGMS GOVERNMENT SERVICES, LLC GS-00F-0014Y 970-254-1354 GRAND JUNCTION ,CO s/d/8a
JOHNSON, MIRMIRAN & THOMPSON, INC. GS-00F-194CA 410-329-3100 COCKEYSVILLE ,MD o
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KENIFIC GROUP INC, THE 47QRAA19D00C7 571-636-4002 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
KLEIN, SUZANNE Q 47QRAA21D005N 504-887-2900 NEW ORLEANS ,LA s/w/wo/ew/d
KLEINFELDER, INC. GS-10F-0389R 4154585803 SAN DIEGO ,CA 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  
LAGO CONSULTING & SERVICES LLC 47QRAA22D009K 813-774-5559 TAMPA ,FL s/w/wo/ew/d/8a
LARSON DESIGN GROUP, INC. 47QRAA19D00CU 412-528-0525 WILLIAMSPORT ,PA o
LEIDOS, INC. GS-00F-022CA 240-460-5984 RESTON ,VA o
LG2 ENVIRONMENTAL SOLUTIONS INC       GS-10F-0375N 9043631686 X104 JACKSONVILLE ,FL s/w/wo/ew/d/8a
LIMNO-TECH, INC. GS-10F-150BA (734) 332-1200 ANN ARBOR ,MI o
LINDAHL REED, INC. 47QRAA18D00GR 541/638-9164 REDMOND ,OR s/w/wo/ew/d/8a
LJB INC GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LOGAN SIMPSON DESIGN INC. 47QRAA22D0004 480-967-1343 TEMPE ,AZ s
LOGAN SIMPSON DESIGN INC. GS-10F-0063P (480)967-1343 TEMPE ,AZ o  
LOW IMPACT DEVELOPMENT CENTER (LID), INC.       GS-10F-0084N 3019825559 BELTSVILLE ,MD o
LOYOLA ENTERPRISES INC 47QTCA21D00DE 757-498-6118 X101 VIRGINIA BEACH ,VA s/dv/d
LRS FEDERAL LLC GS-10F-0360T (410) 544-3570 SEVERNA PARK ,MD s/dv
LYNKER CORPORATION 47QTCA19D00GN 7034315855 LEESBURG ,VA s/h
LYNKER CORPORATION GS-00F-125CA 7034315855 LEESBURG ,VA o
MANNIK & SMITH GROUP, INC., THE 47QRAA20D006A 734-790-5177 MAUMEE ,OH s
MANTECH SRS TECHNOLOGIES, INC. GS-10F-0054R 703-218-6440 HERNDON ,VA o
MARSTEL-DAY, LLC GS-00F-070CA 7038395513 FREDERICKSBURG ,VA s
MATRIX DESIGN GROUP, INC. 47QRAA19D009K (719)575-0100 COLORADO SPRINGS ,CO o  
MATRIX ENVIRONMENTAL SERVICES LLC GS-00F-057GA (303)572-0200 DENVER ,CO s  
MDB, INC. 47QRAA20D0028 202-331-0060 WASHINGTON ,DC s
MEAD AND HUNT, INC. GS-00F-230DA 906-629-1360 MIDDLETON ,WI o
MERKEL & ASSOCIATES, INC. GS-10F-0060T 858-560-5465 SAN DIEGO ,CA s/w
MICHAEL BAKER INTERNATIONAL, INC. 47QRAA21D008D 703-483-0029 ALEXANDRIA ,VA o
MOTIVF CORP 47QRAA22D00AG 8083544281 ALEXANDRIA ,VA s
NATIONAL OPINION RESEARCH CENTER 47QRAA20D001M 312-759-5240 CHICAGO ,IL o
NATURAL RESOURCE INNOVATIONS GMBH 47QRAA19D002P 0049 6221 5993200 HEIDELBERG ,
GERMANY
o
NATURES IMAGE, INC. GS-10F-045BA 9496804400 LAKE FOREST ,CA s/w/wo
NEXGEN TECHNOLOGIES, INC. GS-10F-0270W 720-377-1800 LAKEWOOD ,CO o
NICHOLS CONSULTING ENGINEERS, CHTD. 47QRAA18D008A 7753294955 RENO ,NV s
NORTH LINE GIS, LLC 47QRAA20D006H 888-453-4471 BRECKENRIDGE ,CO s
NORTH WIND RESOURCE CONSULTING, LLC GS-10F-111BA 208-419-4152 IDAHO FALLS ,ID s/d/8a
NORTHLAND RESEARCH, INC GS-10F-0070W 928-774-5057 FLAGSTAFF ,AZ s
NOWAK & FRAUS, P.L.L.C. 47QRAA21D002J (412)404-6235 PONTIAC ,MI s    
NUTTER & ASSOCIATES, INC. 47QRAA19D009B 706-354-7925 ATHENS ,GA s/h
OCEAN ASSOCIATES, INCORPORATED GS-10F-0567P 703-388-9548 ARLINGTON ,VA s/w/wo
ONEIDA TOTAL INTEGRATED ENTERPRISES, LLC 47QRAA20D009B 414-257-4200 MILWAUKEE ,WI s/d
OTAK, INC. GS-10F-0401X (503)287-6825 PORTLAND ,OR o    
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.       47QRAA21D005V 3032745400 WHEAT RIDGE ,CO s/d
PANORAMA ENVIRONMENTAL, INC. 47QRAA20D0091 858-349-8883 SAN FRANCISCO ,CA s/w/wo/ew/d
PARAMETRIX, INC. GS-10F-0013N 253-501-5155 PUYALLUP ,WA o
PARSONS GOVERNMENT SERVICES INC. 47QRAA19D000A (210) 477-1616 PASADENA ,CA o
PBS ENGINEERING AND ENVIRONMENTAL INC. 47QRAA21D0001 206-766-7621 PORTLAND ,OR o
PERATON SERVICES & SOLUTIONS INC. GS-00F-296CA (571) 521-7776 HERNDON ,VA o
PERIKIN ENTERPRISES, LLC GS-00F-003AA 505-333-0501 ALBUQUERQUE ,NM s/d/8a/h
PIONEER TECHNICAL SERVICES, INC. GS-10F-050AA 406-497-8057 BUTTE ,MT s
PORTAGE, INC. GS-00F-262CA (208)419-4152 IDAHO FALLS ,ID s  
POTOMACWAVE CONSULTING, INC. GS-00F-0007X 703-963-5064 ALEXANDRIA ,VA o
PREMIER DATA SERVICES, INC 47QTCA19D001D 303.377.0033 ENGLEWOOD ,CO o
PROFESSIONAL ENGINEERING SERVICES LTD 47QRAA21D008Y (952)456-6707 MINNEAPOLIS ,MN s/w/wo/d    
PROFESSIONAL ENVIRONMENTAL ENGINEERS, INC. GS-10F-200BA 314-531-0060 SAINT LOUIS ,MO s/w
QUANTUM SPATIAL, INC. 47QTCA18D001X 608-556-2580 SAINT PETERSBURG ,FL o
QUATERNARY RESOURCE INVESTIGATIONS, L.L.C. GS-10F-105BA 2252921400 BATON ROUGE ,LA s/w/wo/ew/d
R2T, INC. GS-00F-129GA (770)569-7038 ATLANTA ,GA s/w/wo/ew/d  
REDHORSE CORPORATION       GS-00F-0013Y 619-241-4609 SAN DIEGO ,CA o
REDHORSE CORPORATION GS-07F-134GA (619) 241-4609 SAN DIEGO ,CA o
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 919-541-6543 RESEARCH TRIANGLE P ,NC o
RESPEC COMPANY, LLC 47QTCA19D0084 (605) 394-6400 RAPID CITY ,SD o
RESPEC COMPANY, LLC GS-00F-0078N (605) 394-6400 RAPID CITY ,SD o
RIVERSIDE TECHNOLOGY, INC. GS-00F-0026P 9705685657 FORT COLLINS ,CO s
ROSS & ASSOCIATES ENVIRONMENTAL CONSULTING, LTD. 47QRAA22D008B 206-447-1805 SEATTLE ,WA s
ROSS & ASSOCIATES ENVIRONMENTAL CONSULTING, LTD. GS-00F-0045P (206)447-1805 SEATTLE ,WA s  
S P CRAMER & ASSOCIATES INC 47QRAA19D0045 (888) 224-1221 PORTLAND ,OR s
S.S. PAPADOPULOS & ASSOCIATES, INC. 47QRAA22D0037 301-500-2275 ROCKVILLE ,MD s
S.S. PAPADOPULOS & ASSOCIATES, INC. GS-10F-0462M (301)718-8900 ROCKVILLE ,MD s  
SANBORN MAP COMPANY, INC., THE GS-10F-0099W (719) 264-5510 COLORADO SPRINGS ,CO o
SES, INC. 47QRAA22D0083 913-307-0046 LENEXA ,KS s
SHERPA 6, INC. 47QRAA21D000A 703-260-8188 LITTLETON ,CO s/dv
SOLV LLC 47QRAA18D00DH 7037604801 MC LEAN ,VA s
SONOMA TECHNOLOGY, INC. 47QRAA18D00D1 707-665-9900 PETALUMA ,CA s
SPATIAL INFORMATICS GROUP LLC 47QRAA20D004S 510-427-3571 PLEASANTON ,CA s
SPECPRO MANAGEMENT SERVICES, LLC       47QRAA19D007P 210-424-2110 SAN ANTONIO ,TX s/d/8a
SPECPRO PROFESSIONAL SERVICES, LLC       47QRAA19D004W 210-201-8994 SAN ANTONIO ,TX s/d/8a
SPECTRA TECH, INC. GS-00F-264CA 865-813-2131 OAK RIDGE ,TN s
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q 916-418-8338 BROOMFIELD ,CO o
STEARNS, CONRAD AND SCHMIDT CONSULTING ENGINEERS, INC. 47QRAA20D002R 5713532020 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 4435392535 COLUMBIA ,MD s/w/wo/ew/d
SURF TO SNOW ENVIRONMENTAL RESOURCE MANAGEMENT, INC. 47QRAA21D000B 925-362-3114 SAN RAMON ,CA s/dv/d
SURVEYING AND MAPPING, LLC 47QRAA18D008X 512-447-0575 AUSTIN ,TX o
SWCA, INCORPORATED 47QRAA19D004C 602.274.3831 PHOENIX ,AZ o
SYSTEMATIC MANAGEMENT SERVICES, INC. GS-00F-241CA 3013530072 FREDERICK ,MD s
T3W BUSINESS SOLUTIONS, INC. 47QRAA19D000N 6192980888 SAN DIEGO ,CA s/w/wo
TECHLAW CONSULTANTS, INC. 47QSWA18D008B 703-818-3233 CHANTILLY ,VA o
TECTONIC ENGINEERING CONSULTANTS, GEOLOGISTS & LAND SURVEYORS, D.P.C. GS-00F-015BA 1-845-534-5959 MOUNTAINVILLE ,NY o
TERRAPHASE ENGINEERING INC. 47QRAA22D006X 510-388-8745 OAKLAND ,CA s
TERWILLIGER CONSULTING, INC. 47QRAA21D003F (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
TIERRA RIGHT OF WAY SERVICES, LTD. GS-10F-0038T 520-319-2106 TUCSON ,AZ o
TRANSPO GROUP USA, INCORPORATED       47QRAA21D0051 845-207-0786 KIRKLAND ,WA s
TRANSYSTEMS CORPORATION 47QRAA19D001C 510-835-9898 KANSAS CITY ,MO 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
TUKUH TECHNOLOGIES, LLC       47QRAA21D000R 816-708-1045 KANSAS CITY ,MO s/d/8a
VANASSE HANGEN BRUSTLIN INC GS-00F-116CA 804-441-7439 WILLIAMSBURG ,VA o
VANASSE HANGEN BRUSTLIN, INC. GS-10F-0481P (802)229-4600 WATERTOWN ,MA o  
VERNADERO GROUP INCORPORATED GS-10F-0033T 4803151000 PHOENIX ,AZ s/v
WATER & ENVIRONMENTAL TECHNOLOGIES 47QRAA22D00DS (406)490-2916 BUTTE ,MT s    
WATER, CIVIL, AND ENVIRONMENTAL INCORPORATED GS-00F-386GA (208) 319-9744 BOISE ,ID s/w/wo/ew/d/8a
WESTERN ECOSYSTEMS TECHNOLOGY, INC.       GS-10F-072BA (307)634-1756 CHEYENNE ,WY o  
WESTON SOLUTIONS, INC. 47QRAA19D00BT 7039697418 ALBUQUERQUE ,NM o
WESTWATER ENGINEERING, INC. 47QRAA20D002M 9702417076 GRAND JUNCTION ,CO s/w/wo/ew
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
WILSON & COMPANY, INC., ENGINEERS & ARCHITECTS 47QRAA21D0052 505-348-4194 ALBUQUERQUE ,NM o
WOOD ENVIRONMENT & INFRASTRUCTURE SOLUTIONS, INC. GS-00F-314CA 610-877-6109 BLUE BELL ,PA o
WOOLPERT, INC. GS-00F-0038N 937-531-1309 BEAVERCREEK ,OH o
WSP USA SOLUTIONS INC. 47QRAA18D002R 202-303-2613 WASHINGTON ,DC o
WSP USA SOLUTIONS INC. 47QRAA18D0073 (202)303-2613 WASHINGTON ,DC o  
WW ASSOCIATES MANAGEMENT & CONSULTING, LLC 47QRAA21D00A8 623-299-2222 PEORIA ,AZ s/dv/d/8a
XCEL ENGINEERING, INC. 47QRAA22D00D0 865-766-8543 OAK RIDGE ,TN s/dv
XCEL ENGINEERING, INC. GS-10F-0211P 865-481-3200 OAK RIDGE ,TN s/dv
ZIA ENGINEERING & ENVIRONMENTAL CONSULTANTS, L.L.C. GS-10F-0391N 575-680-2337 LAS CRUCES ,NM s/d