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*Attention: 8(a) JV Eligible, WOSB JV Eligible, SDVOSB JV Eligible and HUBZone JV Eligible contractors are self certified. Ordering agencies must confirm eligibility at the order level.

MAS Multiple Award Schedule
Professional Services - Environmental Services
Category Description
541620 Environmental Consulting Services Services include providing advice and assistance to businesses and other organizations on environmental issues, such as the control of environmental contamination from pollutants, toxic substances, and hazardous materials; endangered species, wetland, watershed, and other natural resource management plans; Archeological and/or cultural resource management plans. This includes identifying problems (e.g., inspect buildings for hazardous materials), measure and evaluate risks, and recommend solutions. Multi-disciplined staff of scientists, engineers, and other technicians with expertise in areas, such as air and water quality, asbestos contamination, remediation, ecological restoration, and environmental law such as Planning and Documentation Services for the development, planning, facilitation, coordination, and documentation of and/or for environmental initiatives.
597 contractors

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Contractor       Contract # Phone City, State Socio-
Economic		 Terms & Conditions / Price List View Catalog
3D ENVIROLOGICS LLC GS-10F-023CA 4349894223 BARBOURSVILLE ,VA s/w/wo
@ORCHARD LLC 47QRAA20D009K 202-531-3373 AUSTIN ,TX s/w/wo/d/8a/8aS
A.I.S., INC. GS-10F-0131T 508-990-9054 NORTH DARTMOUTH ,MA s
AARCHER, INC. 47QRAA22D003B 410-897-9100 X103 ANNAPOLIS ,MD s
ABR, INC. 47QRAA20D0010 907-455-6777 EXT. 10 FAIRBANKS ,AK s
ABT GLOBAL LLC GS-00F-252CA 301-347-5093 ROCKVILLE ,MD o
ACRES LLC 47QRAA25D0045 6107166061 WEST NORRITON ,PA s/d
ACT SAFE, L.L.C. 47QRAA22D000Y 712-223-9989 SIOUX CITY ,IA s/w/wo/ew/dv/d/8a/8aS
ACUITY - PT&C, LLC 47QRAA19D003A 7702000192 RESTON ,VA o
ADANTA, INC. GS-10F-041CA 707-709-8894 NAPA ,CA s/d
ADVANCED AIR ANALYSIS, INC GS-00F-154GA (410)653-7676 PIKESVILLE ,MD s/d  
ADVANCED ENVIRONMENTAL MANAGEMENT GROUP, LLC GS-10F-0338X 734-354-9070 PLYMOUTH ,MI s/d
ADVANCED ENVIRONMENTAL, LLC 47QRAA21D004G 408-512-2912 SAN JOSE ,CA s
ADVANCED MATRIX, INC. 47QRAA22D00BP 734-635-0066 PLYMOUTH ,MI s/d/8a/8aS
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
ADVANCED TECHNOLOGIES AND LABORATORIES (ATL) INTERNATIONAL, INC. GS-00F-067CA 865-567-6793 GAITHERSBURG ,MD s
AECOM TECHNICAL SERVICES, INC. GS-00F-188CA 512-630-4479 LOS ANGELES ,CA o
AEHS INCORPORATED       47QRAA25D0069 210-656-9300 SAN ANTONIO ,TX s/w/wo
AERO E H & S INC GS-10F-0379Y 4104803636 ELLICOTT CITY ,MD s
AEROSOL MONITORING & ANALYSIS, INC. 47QRAA19D0063 410-684-3327 HANOVER ,MD s/d
AGEISS INC 47QRAA19D00BC 720-439-4322 LAKEWOOD ,CO s
AH ENVIRONMENTAL CONSULTANTS, INC. 47QRAA18D00AU 757-873-4959 NEWPORT NEWS ,VA s
AHTNA PROFESSIONAL SERVICES, INC. 47QRAA21D00A9 907-868-8262 ANCHORAGE ,AK s/d/an
AIR RESOURCE SPECIALISTS, INC GS-10F-0046U 970-484-7941 FORT COLLINS ,CO s
ALASKA BIOMAP, INC 47QSWA19D000K 907-321-2908 JUNEAU ,AK s/w/wo
ALBION ENVIRONMENTAL, INC. GS-10F-0301W 831-469-9128 SANTA CRUZ ,CA s
ALEUT LOGISTICS SERVICES, LLC 47QSHA21D002M 865-361-0919 COLORADO SPRINGS ,CO s/d/8a/an/8aS
ALFRED BENESCH & CO GS-10F-0181W 570-624-4266 CHICAGO ,IL o
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 304-319-0044 BRIDGEPORT ,WV s/w/wo
ALLIANCE SOLUTIONS GROUP, INC. GS-10F-0272W 757-223-7233 NEWPORT NEWS ,VA s/dv
ALLIANT CORPORATION GS-10F-0110V 865-363-0726 KNOXVILLE ,TN s/dv
ALPHA FACILITIES SOLUTIONS, LLC 47QRAA20D000T 210-601-3190 SAN ANTONIO ,TX s/dv/d
ALPHA-OMEGA TRAINING AND COMPLIANCE INC GS-10F-0350Y 321-704-1729 TITUSVILLE ,FL s/v
ALPINE ARCHAEOLOGICAL CONSULTANTS INC GS-10F-0004S 970-249-6761 EXT 38 MONTROSE ,CO s
ALPINE ARCHAEOLOGICAL CONSULTANTS INC 47QRAA24D0031 970-249-6761 MONTROSE ,CO s/w/wo
ALTA ARCHAEOLOGICAL CONSULTING LLC 47QRAA18D009U 7075444206 SANTA ROSA ,CA s/w/wo/ew/d
AMERICAN COMPLIANCE TECHNOLOGIES, INC.
(DBA: A-C-T ENVIRONMENTAL & INFRASTRUCTURE, INC.) 		GS-00F-302DA 8635332000 BARTOW ,FL s
ANALYTIC SERVICES INC. GS-00F-095CA 7034163212 ARLINGTON ,VA o
ANAMAR ENVIRONMENTAL CONSULTING, INC. GS-10F-091CA 3523775770 ALACHUA ,FL s/w/wo
ANCHOR QEA, INC. 47QRAA24D0063 2015710920 SEATTLE ,WA o
ANDERSON ENGINEERING OF MINNESOTA, LLC       47QRAA18D006J 763-412-4000 MINNEAPOLIS ,MN s/dv
ANGAYUT, LLC 47QRAA24D00B5 703-712-7645 VIENNA ,VA s/d/8a/an/8aS
APPLIED EARTHWORKS, INC. 47QRAA24D003J 559-229-1856 FRESNO ,CA s
APPLIED ENVIRONMENTAL, INC. 47QRAA19D0098 (703) 648-0822 HERNDON ,VA s/w/wo
APPLIED ENVIROSOLUTIONS INC GS-10F-0324S 480-839-7000 GUADALUPE ,AZ s/w/wo/ew/d
APPLIED INSIGHT, LLC GS-00F-145GA 703-215-8100 RESTON ,VA o
APPLIED INTELLECT LLC GS-10F-026BA 724-765-0402 CHANTILLY ,VA s/d
ARC ENVIRONMENTAL, LLC GS-10F-0007S 4106599971 BALTIMORE ,MD s
ARM ENVIRONMENTAL SERVICES INC. 47QRAA23D007N 803-378-3314 COLUMBIA ,SC s
ARRO CONSULTING INC 47QRAA22D00A7 717-706-9100 LITITZ ,PA s
ASIR LLC GS-10F-0249X 505-247-9337 ALBUQUERQUE ,NM s
ASM AFFILIATES 47QRAA19D0092 3102783100 CARLSBAD ,CA s
ASPEN CRM SOLUTIONS, INC. GS-10F-0013V 505-466-3162 SANTA FE ,NM s/w
ASPEN ENVIRONMENTAL GROUP 47QRAA22D00EH (818) 597-3407 AGOURA HILLS ,CA s/d
ATCS, P.L.C GS-10F-0040V 703-817-3544 HERNDON ,VA o
ATI, INC. 47QRAA18D00E9 410-992-3424 COLUMBIA ,MD s/d/hjv
ATKINSREALIS USA INC 47QRAA21D002Z (813)281-4430 TAMPA ,FL o  
ATMOS SOLUTIONS INC 47QRAA23D007S 202-891-6959 WASHINGTON ,DC s/d/8a/h/8aS
ATTAINX INC. GS-35F-293DA 7034245594 HERNDON ,VA s/w/wo/ew/d/8a/8aS
AUXILIO MANAGEMENT SERVICES       GS-00F-005HA 7203271068 DENVER ,CO s/w/wo/ew/d
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E (801) 447-1623 CLEARFIELD ,UT s/w/wo/ew/dv/d
AVANTI CORPORATION 47QRAA20D002D 703-765-0060 ALEXANDRIA ,VA s/w/wo/ew/d
AVANTUS FEDERAL LLC GS-00F-151CA 8333817467 MC LEAN ,VA o
AWEN SOLUTIONS GROUP, LLC 47QRAA24D001F (202)422-8387 ALEXANDRIA ,VA s/dv    
AXIS MANAGEMENT GROUP, LLC 47QRAA18D007F 540.338.5071 MCLEAN ,VA s/w/wo/ew/d
AYUDA COMPANIES GS-10F-0043W 3035478745 DENVER ,CO s/w/wo/ew/d/h
BANDA GROUP INTERNATIONAL LLC       47QRAA25D0022 505-850-4530 MESA ,AZ s/dv/d
BATTA ENVIRONMENTAL ASSOCIATES INC GS-10F-0004T 3027373376 NEWARK ,DE s/d
BATTELLE MEMORIAL INSTITUTE GS-00F-084CA 614-424-3522 COLUMBUS ,OH o
BB&E, INC. 47QRAA20D007E 2484899636 NORTHVILLE ,MI s
BBJ GROUP LLC GS-10F-0471X 3122197769 CHICAGO ,IL s
BHATE ENVIRONMENTAL ASSOCIATES, INC. 47QRAA19D004S 205-918-4044 BIRMINGHAM ,AL s
BIO-WEST INC 47QRAA25D002M 435-752-4202 LOGAN ,UT s
BIODIVERSITY RESEARCH INSTITUTE GS-10F-226AA 2078397600X215 PORTLAND ,ME o
BIORESOURCE CONSULTANTS, INC       GS-10F-0437X (805)646-9006 OJAI ,CA s/d  
BIOTOPE FORESTRY & ENVIRONMENTAL, LLC       47QRAA23D004S 8285075523 NACOGDOCHES ,TX s/d
BLUESTONE ENVIRONMENTAL GROUP, INC. GS-00F-117DA 610-647-9500 MALVERN ,PA s/w/wo/ew/8a
BOGGS ENVIRONMENTAL CONSULTANTS, INC. 47QRAA21D006A 301-694-5687 MIDDLETOWN ,MD s
BOOZ ALLEN HAMILTON INC       GS-00F-008DA 703-377-4359 MC LEAN ,VA o
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA 202-262-8098 OAK RIDGE ,TN o
BRANDES & CASSAGNOL ENGINEERS PC 47QRAA23D009X (859)392-0425 WASHINGTON ,DC s/d    
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s
BRIC LLC 47QRAA20D007L 505-259-8187 SCOTTSDALE ,AZ s/d/8a/h/to/8aS
BRICE SOLUTIONS, LLC 47QRAA24D00A7 907-275-2896 ANCHORAGE ,AK s/d/8a/an/8aS
BROADBENT & ASSOCIATES, INC. 47QRAA20D004L 775-322-7969 HENDERSON ,NV o
BROCKINGTON AND ASSOCIATES, INC. GS-10F-0145U 843-881-3128 ATLANTA ,GA s
BROWN AND CALDWELL       47QRAA21D008Z 303-239-5461 WALNUT CREEK ,CA o
BSA ENVIRONMENTAL SERVICES INC GS-10F-0302S 216-765-0582 BEACHWOOD ,OH s
BURNS & MCDONNELL ENGINEERING COMPANY, INC. 47QRAA18D0054 816-822-4343 KANSAS CITY ,MO o
C. H. GUERNSEY & COMPANY 47QRAA19D00DM 405-416-8100 OKLAHOMA CITY ,OK o
C.J. SETO SUPPORT SERVICES, LLC GS-10F-0408R 805-233-2047 VENTURA ,CA s/dv/d
C2 ALASKA, LLC 47QSHA22D000D 210-236-3940 SAN ANTONIO ,TX s/d/8a/an/8aS
CABRERA SERVICES INC 47QRAA18D000H 860-569-0095 EAST HARTFORD ,CT s
CALIBRE SYSTEMS INC GS-00F-185CA 7037978500 ALEXANDRIA ,VA o
CALICHE, LTD.       47QRAA22D000M (281)356-6038 MAGNOLIA ,TX s/v  
CAMAS, LLC 47QRAA24D009T 458-229-8392 JACKSONVILLE ,OR s/w/wo/ew/d
CASE CONSULTANTS INTERNATIONAL LLC       47QTCA25D000M 8287687831 ASHEVILLE ,NC s/w/wo
CASHINS & ASSOCIATES, INC 47QRAA24D003T 781-245-1400 WAKEFIELD ,MA s/w/wo
CASTLE HILL ASSOCIATES, LLC 47QRAA18D00BP (567) 952-0212 WATERVILLE ,OH s/w/wo/dv/d
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CE2 CORPORATION, INC. GS-00F-207CA (925)400-4588 PLEASANTON ,CA s/d  
CENPEC, LLC 47QRAA23D005G 202-657-1521 GERMANTOWN ,MD s/wo/d/8a/8ajv/wojv
CENTAUR CONSULTING GROUP LLC 47QRAA22D00DL 202-657-1521 CLARKSBURG ,MD s/w/wo/d/8a/8aS
CENTRAL GEOTECHNICAL SERVICES, LLC 47QRAA24D0085 503-616-9419 PORTLAND ,OR s/dv/d
CHENEGA FACILITIES MANAGEMENT LLC 47QSHA20D0033 256-665-0610 SAN ANTONIO ,TX o
CHENEGA RELIABLE SERVICES LLC 47QSHA21D001A 256-665-0610 SAN ANTONIO ,TX s/d/8a/an/8aS
CHEROKEE NATION MANAGEMENT & CONSULTING, L.L.C.. GS-00F-302GA 918-430-3407 TULSA ,OK o
CHLOETA HOLDINGS LLC GS-10F-049BA 877-245-6382 OKLAHOMA CITY ,OK s/d/h/ai
CIRRUS ECOLOGICAL SOLUTIONS, L.C. GS-10F-0164T 4357871490 LOGAN ,UT s
CIVIL DESIGN & ENGINEERING INC GS-10F-263AA (928) 522-9287 FLAGSTAFF ,AZ s/w/wo/d
CLAENE GROUP LLC 47QRAA22D00AJ (917)787-2402 CHARLESTON ,SC s/w/wo  
CLARK GROUP, LLC, THE GS-10F-0150W 8022255945 MONTPELIER ,VT s/w/wo/ew/d
CLEAN HARBORS ENVIRONMENTAL SERVICES INC 47QRAA22D00A8 7814903720 NORWELL ,MA o
CLOUDBURST CONSULTING GROUP, INC. GS-10F-0218U 301-412-9229 HYATTSVILLE ,MD s/w/wo
CLOUDBURST CONSULTING GROUP, INC. 47QRAA24D006L 301-412-9229 HYATTSVILLE ,MD s/w/wo
COGENT SECURITY CONSULTING LLC GS-00F-301DA (855) 226-4368 ALEXANDRIA ,VA s/d
COGSTONE RESOURCE MANAGEMENT GS-10F-0463X 714-974-8300 ORANGE ,CA s/w/wo/ew/d
COLIBRI ECOLOGICAL CONSULTING, LLC 47QRAA21D0018 5597216836 FRESNO ,CA s/w/wo/ew/d
COMMONWEALTH HERITAGE GROUP, LLC GS-00F-261DA 5173206929 DEXTER ,MI s
COMPREHENSIVE ENVIRONMENTAL INC 47QRAA18D00DM 508-281-5160 BOLTON ,MA s/w/wo/ew/d
CONCURRENT TECHNOLOGIES CORP 47QRAA21D0021 8142692871 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
CONSULTECH ENVIRONMENTAL LLC 47QRAA20D003M 919-234-4238 APEX ,NC s/w/wo/ew/d
COPPERHEAD ENVIRONMENTAL CONSULTING INC 47QRAA18D00CR 8599259012 PAINT LICK ,KY s
CORNERSTONE ENVIRONMENTAL CONSULTING LLC       47QRAA19D0057 5074582870 FLAGSTAFF ,AZ s/d
CORVUS ENVIRONMENTAL CONSULTING LLC 47QRAA24D00EE 3038727084 CENTENNIAL ,CO s
CRANMER ENGINEERING, INC. 47QSWA21D0012 530-273-7284 GRASS VALLEY ,CA s/d
CREDERE ASSOCIATES, LLC 47QRAA18D005L 207-828-1272 WESTBROOK ,ME s/w/wo/d/8a
CRITERION LABORATORIES INC GS-10F-0311X 2152441300 BENSALEM ,PA s
CSA OCEAN SCIENCES INC 47QRAA23D004B 772-219-3062 STUART ,FL o
CSRS LLC 47QRAA23D003E 2257690546 BATON ROUGE ,LA o
CT CONSULTANTS INC GS-10F-0255U 440-530-2338 MENTOR ,OH s
CULTURAL RESOURCE ANALYSTS, INC. 47QRAA19D0048 859-252-4737 LEXINGTON ,KY s
DADE MOELLER & ASSOCIATES, INC. GS-00F-333CA 509.942.3644 RICHLAND ,WA o
DAV ENERGY SOLUTIONS, INC. GS-00F-314GA (619) 356-1147 SAN DIEGO ,CA s/dv
DAVEY RESOURCE GROUP, INC. 47QRAA23D005U 508-825-3217 KENT ,OH o
DAWSON SOLUTIONS, LLC 47QRAA18D009F 2105276907 HUNTSVILLE ,AL s/d/8a/hn
DAYTON GROUP INC 47QSMS24D0062 410-929-2624 CATONSVILLE ,MD s/w/wo/ew/d/8a/h/8aS
DCR SERVICES & CONSTRUCTION INC       47QRAA18D009A (313)779-2612 DETROIT ,MI s/d/8a/h  
DDC 4C, LLC 47QRAA24D006X 7573437053 SCOTTSDALE ,AZ s/d/8a/to/ai/8aS
DELOITTE CONSULTING LLP 47QRAA18D001P 703-251-1143 ARLINGTON ,VA o
DESERT ARCHAEOLOGY, INC GS-10F-161AA 520-881-2244 TUCSON ,AZ s
DEWBERRY ENGINEERS INC. GS-00F-280CA 7032086872 FAIRFAX ,VA o
DJ&A, P.C.       47QRAA24D00EW 4065461887 MISSOULA ,MT o
DKI RESTORATION, LLC 47QRAA18D00FW 630-350-3000 CHICAGO ,IL s
DMG FOUR CORNERS RESEARCH, INC 47QRAA23D005C 5753233271 LAS CRUCES ,NM s/w/wo/d
DOUGLAS W. PETERS & ASSOCIATES, INC. 47QRAA23D003X 502-454-8530 LOUISVILLE ,KY s
DPRA INCORPORATED 47QRAA19D003T 785-564-6041 KNOXVILLE ,TN s
DTECH SERVICES INC 47QRAA19D0076 8176956519 ARLINGTON ,TX s/d
DYNAMIC SOLUTIONS, LLC 47QRAA23D0071 865-212-3331 EXT 22 KNOXVILLE ,TN s/w/wo
E & S ENVIRONMENTAL CHEMISTRY, INC.       47QRAA21D003Q 541-758-1330 CORVALLIS ,OR s
E.H.T. TRACERIES, INC. 47QRAA18D001L (202)-393-1199 WASHINGTON ,DC s/w/wo/ew/d
E3 INTERNATIONAL LLC 47QSMS24D000U 7032316827 BETHESDA ,MD s/w/wo
EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBC 47QRAA19D005G 410-329-5620 HUNT VALLEY ,MD s
EARTH RESOURCES TECHNOLOGY, LLC GS-00F-109CA 3013231435 GREENBELT ,MD o
EARTH SMART ENVIRONMENTAL SOLUTIONS LLC GS-00F-099DA 734-260-8624 DAYTON ,TN s/dv
EARTH SYSTEM, LLC 47QRAA21D0009 9042470740 JACKSONVILLE BEACH ,FL s/d
EASTERN RESEARCH GROUP INC GS-00F-079CA 7742491622 CONCORD ,MA o
ECO & ASSOCIATES, INC. GS-10F-0371U 714-289-0995 SANTA ANA ,CA s/w/d
ECO ANALYSTS INC       GS-10F-0050U 2088822588 MOSCOW ,ID s
ECO RESOURCE GROUP, LLC GS-00F-017AA 206-478-6881 BAINBRIDGE ISLAND ,WA s/w/wo/ew/d
ECODIT LLC 47QRAA19D00DN 703-841-1883 ARLINGTON ,VA s/w/wo
ECOSYSTEM SCIENCES GS-00F-277DA 2083830226 BOISE ,ID s
ECS FEDERAL, LLC GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
ECS MID-ATLANTIC, LLC 47QRAA19D006M 703-471-4800 CHANTILLY ,VA o
EDGE ENGINEERING AND SCIENCE, LLC 47QRAA22D006Q 832-772-3000 HOUSTON ,TX s
EDGE ENVIRONMENTAL INC 47QRAA22D0001 303-988-8844 GOLDEN ,CO s/w/wo/d
EEC ENVIRONMENTAL 47QRAA24D005V 714-667-2300 ORANGE ,CA s
EGC, INC. 47QRAA24D005B 2102627001 SAN ANTONIO ,TX s/w/wo/ew/d
EKNA SERVICES INC 47QRAA20D0078 808-591-8553 HONOLULU ,HI s/w/wo
ELOS ENVIRONMENTAL, LLC 47QRAA22D005N 985-974-0703 HAMMOND ,LA s
ELYON INTERNATIONAL, INC. GS-00F-203GA (360) 696-5892 VANCOUVER ,WA s/w/wo/v/d
EMC-ENGINEERS/SCIENTISTS, LLC 47QRAA23D008P (541)660-6698 JACKSONVILLE ,OR s    
ENDYNA, INC.       GS-00F-0017Y 703-848-8840 MC LEAN ,VA s/w/wo/ew/d
ENERGY AND SECURITY GROUP, LLC 47QRAA24D0087 703-476-3212 RESTON ,VA s
ENERGY TECHNOLOGY ALLIANCE LLC 47QRAA22D00EG 202-787-1518 BEND ,OR s/w/wo/ew/d/wojv
ENGINEERING & ENVIRONMENT, INC. 47QRAA21D0005 7572879566 VIRGINIA BEACH ,VA s
ENGINEERING/REMEDIATION RESOURCES GROUP, INC. GS-10F-0294R 925-969-0750 MARTINEZ ,CA o
ENTERPRISE RESOURCE PLANNING INTERNATIONAL, LLC 47QRAA19D009W 3014900080 LAUREL ,MD o
ENVIROAPPLICATIONS INC GS-10F-0039X 619.291.3636 SAN DIEGO ,CA s
ENVIRONMENTAL BUSINESS PARTNERS, LLC       47QRAA25D003D 90461244501 YULEE ,FL s/dv/d
ENVIRONMENTAL CHEMICAL CORPORATION 47QRAA22D00A1 303-298-7607 BURLINGAME ,CA s
ENVIRONMENTAL COMPLIANCE CONSULTANTS, INC.       GS-10F-0018V 907-777-7107 ANCHORAGE ,AK s/dv/h
ENVIRONMENTAL CONSULTING & MANAGEMENT SERVICES, INC.       47QRAA23D0053 203-912-0165 NEW CITY ,NY s
ENVIRONMENTAL CONSULTING & TECHNOLOGY, INC.       47QRAA21D005G 352-665-9922 GAINESVILLE ,FL o
ENVIRONMENTAL CONSULTING AND TRAINING SERVICES, INC. 47QRAA22D0013 865-719-3215 GREENBACK ,TN s/w/wo
ENVIRONMENTAL CONSULTING GROUP, INC. GS-10F-0045V 630.607.0060 ELMHURST ,IL s
ENVIRONMENTAL COST MANAGEMENT, INC. GS-10F-0335R (510) 964-4399 COSTA MESA ,CA s/d
ENVIRONMENTAL ENGINEERING & MEASUREMENT SERVICES INC GS-10F-075AA 3523172292 GAINESVILLE ,FL s/w/wo/ew/d
ENVIRONMENTAL GROUP SERVICES LTD GS-10F-0457Y 312-447-1200 CHICAGO ,IL s
ENVIRONMENTAL HEALTH AND SAFETY SOLUTIONS, LLC 47QRAA21D004K 904-673-4858 PARKTON ,MD s/w/wo/ew
ENVIRONMENTAL INCENTIVES, INC. GS-00F-193DA (530)-541-2980 WASHINGTON ,DC s
ENVIRONMENTAL LAW INSTITUTE, THE 47QRAA24D00EP 202-939-3834 WASHINGTON ,DC o
ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC GS-10F-0412S 14155400440 BOULDER ,CO s
ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC 47QRAA23D0018 14156365360 BOULDER ,CO s
ENVIRONMENTAL MANAGEMENT SERVICES INC GS-10F-0074T (301) 309-0475 ROCKVILLE ,MD s/w/wo/ew/d
ENVIRONMENTAL MANAGEMENT SUPPORT, INC 47QRAA18D00C7 301-589-5318 SILVER SPRING ,MD s
ENVIRONMENTAL MANAGEMENT, INC. GS-10F-0308T 907-272-9336 ANCHORAGE ,AK s
ENVIRONMENTAL QUALITY MANAGEMENT, INC 47QRAA19D00BJ 5138257500 CINCINNATI ,OH s/d/an
ENVIRONMENTAL RESEARCH GROUP, L.L.C. GS-10F-142BA 4103665170 BALTIMORE ,MD s/w/wo/ew/dv
ENVIRONMENTAL RESOURCE CENTER INC       GS-10F-0346X (919) 469-1585 CARY ,NC s
ENVIRONMENTAL SCIENCE ASSOCIATES 47QRAA21D00AJ 415.896.5900 SAN FRANCISCO ,CA s/d
ENVIRONMENTAL SOLUTIONS INC 47QRAA22D00BM 4108676262 DEALE ,MD s
ENVIRONMENTAL STRATEGIES & APPLICATIONS, INC. 47QRAA25D0035 7324698888 MIDDLESEX ,NJ s/d
ENVIRONMENTAL SYNECTICS, INC 47QTCA19D009A 916-737-4011 SACRAMENTO ,CA s/h
ENVIRONMENTAL SYNECTICS, INC GS-10F-043BA * 916-737-4011 SACRAMENTO ,CA s/h  
ENVIRONMENTAL SYSTEMS ANALYSIS, INC. 47QRAA24D0004 410-267-0495 CROFTON ,MD s/w/wo
ENVIRONMENTAL TESTING AND CONSULTING, INC. GS-00F-222GA 734-955-6600 ROMULUS ,MI s/w/wo/ew/d
ENVIROSCIENCE INC GS-10F-0181U 330-688-0111 STOW ,OH o
ENVIROSYSTEMS MANAGEMENT INC 47QRAA22D005M (928) 226-0236 FLAGSTAFF ,AZ s/w/wo
EPSILON SYSTEMS SOLUTIONS, INC. 47QRAA21D005F 619-702-1700 SAN DIEGO ,CA o
ERC ENVIRONMENTAL & CONSTRUCTION SERVICES INC 47QRAA23D0049 7132909444 HOUSTON ,TX s
ERICA LANE ENTERPRISES INC 47QRAA18D0061 256-536-7117 HUNTSVILLE ,AL s/w/wo/d
ERO RESOURCES CORPORATION 47QRAA21D0075 3038301188 LAKEWOOD ,CO s/w/wo/d
ESPINOZA CULTURAL SERVICES, LLC 47QRAA20D0062 800-511-8685 LA JARA ,CO s/w/wo/ew/d/h
F3 SOLUTIONS LLC GS-10F-195BA 478-971-1343 WARNER ROBINS ,GA s/w/wo/ew/d
FALCONA MANAGEMENT & TECHNOLOGY, L.L.C. GS-00F-272CA 210-845-8840 NEW BRAUNFELS ,TX s/w/wo/ew/d/8a
FAR WESTERN ANTHROPOLOGICAL RESEARCH GROUP, INC. 47QRAA23D000F 530-756-3941 DAVIS ,CA s
FEDWRITERS, INC. GS-00F-217GA 202-271-0312 FAIRFAX ,VA s/d/8a
FIRST ATLANTIC RESTORATION INC 47QRAA22D005S 757-499-1915 VIRGINIA BEACH ,VA s
FIRST ENVIRONMENT INC 47QREA25D0003 9733340003 BUTLER ,NJ s/dv
FLOWWEST, LLC 47QRAA22D0057 510-454-9378 OAKLAND ,CA s
FLUX RESOURCES, LLC 47QRAA22D0002 503-558-3465 TIGARD ,OR o
FMF PANDION 47QRAA22D002R 760-212-9120 SAN DIEGO ,CA s/dv/d/8a/ai/8aS
FOOTPRINT CONSULTING LLC 47QRAA24D001K 202-277-4765 CLINTON ,MD s/w/wo/ew/d
FOURTUNE 4, INC.
(DBA: EAC- ENVIRONMENTAL ASSESSMENTS & CONSULTING) 		GS-10F-181BA 9413788844 SARASOTA ,FL s
FPM GROUP LTD GS-00F-104CA 631-737-6200 BOHEMIA ,NY s
FRED PHILLIPS CONSULTING, LLC GS-10F-0024W (928)773-1530 RIDGWAY ,CO s  
G R B ENVIRONMENTAL SERVICES, INC. GS-10F-0284X 212-564-8640 NEW YORK ,NY s/w
G2 ARCHAEOLOGY 47QRAA20D001G 3102783100 RENO ,NV s/w/wo/d
GEM TECHNOLOGIES, INC. 47QRAA20D007W 865-660-7339 KNOXVILLE ,TN s/d
GEM TECHNOLOGY INTERNATIONAL, CORP 47QRAA22D008D 305-447-1344 MIAMI ,FL s/w/wo/ew/d
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039953733 FALLS CHURCH ,VA o
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-256CA 703-995-3733 FALLS CHURCH ,VA o
GENESIS ENVIRONMENTAL GROUP LLC 47QRAA24D00EJ 214-973-2736 MCKINNEY ,TX s/d
GENWEST SYSTEMS INC 47QRAA22D006M 425-771-2700 EDMONDS ,WA s/dv
GEOMORPH INFORMATION SYSTEMS, LLC GS-10F-0236X 619-787-7974 SAN DIEGO ,CA s/w/wo/ew/d/h
GEOSPATIAL CONSULTING GROUP INTERNATIONAL LLC       GS-35F-212DA 571-289-0267 ALEXANDRIA ,VA s/w/wo/ew
GEOSYNTEC CONSULTANTS, INC. 47QRAA22D003A 561-922-1079 BOCA RATON ,FL o
GEOSYSTEMS ANALYSIS, INC GS-10F-0209Y 520-628-9330 TUCSON ,AZ s
GEOTIC SOLUTIONS LLC 47QRAA22D000D 3037756920 BOULDER ,CO s
GIBB & O'LEARY EPIDEMIOLOGY CONSULTING LLC 47QRAA19D004F 703-888-6059 ALEXANDRIA ,VA s/v
GLE ASSOCIATES, INC GS-10F-0326X 813-241-8350 TAMPA ,FL s
GLOBAL CONSULTING INC. GS-10F-0130X (925)626-7121 GREENBELT ,MD s/w/wo
GLOBAL SYSTEMS ENGINEERING, LLC 47QRAA20D0060 703-915-2338 ALEXANDRIA ,VA s/h
GLOBAL, INC 47QRAA24D009S 443-691-0455 ELKRIDGE ,MD s/d/8a/8aS
GOLD WAVE INC 47QRAA23D003C 630-800-8509 DARIEN ,IL s/w/wo/dv/d
GRACE ENVIRONMENTAL SERVICES, INC. 47QRAA22D000Z 805-431-6253 THOUSAND OAKS ,CA s/v
GRAY & PAPE INC 47QRAA21D006G 804-291-7703 CINCINNATI ,OH s
GREAT LAKES ENVIRONMENTAL CENTER, INC GS-10F-015AA 2315250505 TRAVERSE CITY ,MI s
GREEN 2 GREEN CONSULTING LLC 47QRAA24D00BC 315-277-7167 ALEXANDRIA BAY ,NY s/dv/d
GREEN AND SUSTAINABLE SERVICES, LLC GS-07F-231CA 940-597-3723 PONDER ,TX s/w/wo/ew
GREENMAN-PEDERSEN INC 47QRAA21D004M 518-209-4823 BABYLON ,NY o
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
GSI NORTH AMERICA INC 47QRAA19D002Z 808-371-5640 FLEMINGTON ,NJ s/d/8a/hn/8aS
GUIDEHOUSE INC. 47QRAA19D0085 202-481-7526 MC LEAN ,VA o
GULF SOUTH RESEARCH CORP 47QRAA19D006W 2257578088 BATON ROUGE ,LA s/w/wo/ew/d
H & L ENVIRONMENTAL SERVICES, LLC 47QRAA21D006J 8656175500 MAXTON ,NC s/d/8a/h/ai/8aS
HAMER ENVIRONMENTAL L.P GS-10F-087AA 3608995156 MOUNT VERNON ,WA s
HANA ENGINEERS & CONSULTANTS LLC 47QRAA22D003N 757-701-9382 RICHMOND ,VA s/d/8a/8aS
HARRIS ENVIRONMENTAL GROUP INC GS-10F-0457R 52006287648 TUCSON ,AZ s/w/wo/ew/d/h
HARTGEN ARCHEOLOGICAL ASSOCIATES, INC. GS-10F-0424Y 5182830534 RENSSELAER ,NY s
HAZAIR INC GS-10F-114CA 702-899-8501 HENDERSON ,NV s/dv/d
HAZTRAIN INC 47QRAA20D0056 301-932-0994 WALDORF ,MD s/v
HDR ENGINEERING INC GS-00F-152CA 303-754-4250 OMAHA ,NE o
HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC. 47QRAA22D00AR 303-754-4250 ENGLEWOOD ,CO o
HEALTHY HOUSING SOLUTIONS, INC. 47QRAA18D00H1 443-539-4166 COLUMBIA ,MD s
HELIX ENVIRONMENTAL PLANNING, INC. GS-10F-0020V 3102783100 LA MESA ,CA o
HGS ENGINEERING INC 47QSHA22D0021 (256) 236-1848 ANNISTON ,AL s/dv
HHM & ASSOCIATES, INC. GS-10F-0244Y 512-478-8014 AUSTIN ,TX s/w/wo
HOMEYER CONSULTING SERVICES INC 47QSWA21D001T 978-569-2460 TEWKSBURY ,MA s
HORNE LLP GS-23F-0037W 601-326-1125 RIDGELAND ,MS o
HORSLEY WITTEN GROUP, INC. 47QRAA22D005P 508-833-6600 SANDWICH ,MA s
HOUSTON ENGINEERING INC 47QRAA23D004Q 701-499-9463 FARGO ,ND o
HSG, LLC GS-10F-230BA 702-271-4673 HENDERSON ,NV o
HUNTER RESEARCH INC GS-10F-018AA (609)695-0122 TRENTON ,NJ s  
HYDROGEOLOGIC, INC. 47QRAA18D00CW 7037364551 RESTON ,VA s
HYDROS CONSULTING INC. GS-10F-220BA (303)284-1841 BOULDER ,CO s  
HYDROSOLUTIONS INC GS-10F-0172X 4064436169 HELENA ,MT s/dv
I. M. SYSTEMS GROUP, INC. GS-00F-311CA 202-407-2451 ROCKVILLE ,MD o
IAP WORLD SERVICES, INC. GS-35F-407GA 321-784-7396 MELBOURNE ,FL o
ICF INCORPORATED, L.L.C. GS-00F-010CA 703-225-5692 RESTON ,VA o
INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS INC 47QRAA21D0087 5094387811 RICHLAND ,WA s/w/wo/ew/d/8a/8aS
INDUSTRIAL ECONOMICS INC 47QRAA20D0044 (617) 354-0074 CAMBRIDGE ,MA o
INDUSTRIAL HYGIENE RESOURCES, LTD. 47QRAA23D001R 208-323-8287 BOISE ,ID s
INSIGNIA ENVIRONMENTAL 47QRAA20D005U 650-321-6787 MENLO PARK ,CA s/w/wo
INSPECTION EXPERTS INC 47QSMS24D001A 4107153939 LINCOLN ,NE s/w/wo/d
INSPECTION EXPERTS INC GS-21F-096AA 816-807-6376 LINCOLN ,NE s/w/wo/ew/d
INTEGRA GOVERNMENT SERVICES INTERNATIONAL LLC GS-10F-083CA 202-306-3430 WASHINGTON ,DC s/dv
INTEGRATED ENVIRONMENTAL TECHNOLOGY, LLC 47QRAA24D00CW 863-868-8348 LAKELAND ,FL s/v/d
INTEGRATED SYSTEMS SOLUTIONS, INC. GS-02F-0087X 703-216-0144 VIENNA ,VA s/dv
INTERNATIONAL BUSINESS SALES AND SERVICES CORP 47QTCA19D00D9 301-942-9014 SILVER SPRING ,MD s/w/wo/ew/d
INTERNATIONAL TRADE BRIDGE, INC GS-10F-078BA 9374311900 BEAVERCREEK ,OH s/d
IO ENVIRONMENTAL AND INFRASTRUCTURE INCORPORATED 47QRAA24D007Z 6192803278 SAN DIEGO ,CA s/dv
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
JACOBS ENGINEERING GROUP INC. 47QRAA21D00AF 571-218-1304 ARLINGTON ,VA o
JARDON & HOWARD TECHNOLOGIES LLC 47QRAA21D008B 407-381-7797 ORLANDO ,FL o
JBW FEDITC JV LLC 47QSMS25D0033 865-227-2252 SAN ANTONIO ,TX s/d/8a/hn/8ajv
JE FULLER/HYDROLOGY AND GEOMORPHOLOGY, INC. GS-00F-079GA 928-486-0316 TEMPE ,AZ s
JENKINS ENVIRONMENTAL CONSULTING, LLC GS-00F-058DA (866)839-6548 AUSTIN ,TX s  
JENSEN HUGHES, INC. GS-00F-006CA 425-217-1123 COLUMBIA ,MD o
JGMS GOVERNMENT SERVICES LLC 47QRAA22D008H 970-254-1354 GRAND JUNCTION ,CO s/d
JH1 CONSULTANTS, LLC 47QREA24D000F 704 264-9992 BRANDON ,FL s/d
JOHNSON, MIRMIRAN & THOMPSON, INC. GS-00F-194CA 410-329-3100 COCKEYSVILLE ,MD o
JW ASSOCIATES INC GS-10F-0108S 970-406-0085 BRECKENRIDGE ,CO s/w/wo/d
JWJ CONSULTING, LLC 47QRAA23D003A 803-463-5309 ROCK HILL ,SC s/d
KANE ENVIRONMENTAL, INC. GS-10F-0061W 2066910476 SEATTLE ,WA s
KAPUR ENERGY ENVIRONMENT ECONOMICS, LLC 47QSHA20D000W 434-295-3018 CHARLOTTESVILLE ,VA s/w/wo/ew/d
KATMAI INTEGRATED SOLUTIONS, LLC 47QSHA19D000H 9073337000 ANCHORAGE ,AK s/d/8a/to/an/8aS
KEARNS & WEST INC 47QRAA22D00DZ 415.697.0574 SAN FRANCISCO ,CA s  
KEISH ENVIRONMENTAL, PC 47QRAA23D000X 408-592-0223 SAN JOSE ,CA s/w/wo/d/8a/8aS
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KERES CONSULTING INC GS-00F-154CA 505 8372104 ALBUQUERQUE ,NM s/d/ai
KESTREL TELLEVATE LLC GS-00F-245GA (404)538-5494 DECATUR ,GA s  
KLAMATH WILDLIFE RESOURCES GS-10F-0399Y 530-244-5652 REDDING ,CA s
KLEINFELDER INC GS-10F-0389R 4154585803 SAN DIEGO ,CA o
KMEA 47QRAA20D006G 6194516199 SAN DIEGO ,CA o
LAGO CONSULTING & SERVICES LLC 47QRAA22D009K 813-774-5559 TAMPA ,FL s/w/wo/ew/d/8a/8aS/wojv
LCA ENVIRONMENTAL INC GS-00F-075GA 972-241-6680 DALLAS ,TX s/w/wo/ew/d
LEGEND TECHNICAL SERVICES, INC. GS-10F-0371R 651-221-4085 SAINT PAUL ,MN s/w
LEIDOS, INC. 47QTCA25D008B (571)526-7085 RESTON ,VA o    
LEIDOS, INC. GS-00F-022CA 571-526-7840 RESTON ,VA o
LEIDOS, INC. GS-35F-116AA (571) 526-7085 RESTON ,VA o
LEW CORP 47QRAA18D002A 336-887-1328 MINE HILL ,NJ s
LEWIS CG, INC 47QRAA22D003W 732-276-2420 WALL ,NJ s/d
LIMNO-TECH INC GS-10F-150BA 734-332-1200 ANN ARBOR ,MI o
LINDAHL REED, INC. 47QRAA18D00GR 541-638-9264 BEND ,OR s/w/wo/ew/d/8a/8aS
LINEBACH FUNKHOUSER INC 47QRAA18D0035 502-895-5009 LOUISVILLE ,KY s
LINK TECHNOLOGIES INC 47QRAA20D0096 301-983-6878 GERMANTOWN ,MD s/w/wo
LJB INC. GS-00F-049CA 937-259-5000 MIAMISBURG ,OH o
LMI CONSULTING, LLC GS-00F-041GA 703-917-7524 TYSONS CORNER ,VA o
LOGAN SIMPSON DESIGN INC. 47QRAA22D0004 480-967-1343 TEMPE ,AZ s
LRS FEDERAL LLC GS-10F-0360T 4105443570 SEVERNA PARK ,MD s/dv
LRS FEDERAL LLC 47QRAA25D008F (410)544-3570 SEVERNA PARK ,MD s/dv    
LUCE AIR QUALITY LLC 47QRAA24D00FA (904)903-6706 JACKSONVILLE ,FL s    
LYNKER CORPORATION 47QTCA19D00GN 703-431-5855 LEESBURG ,VA o
MABBETT & ASSOCIATES, INC. GS-10F-0120T 781-275-6050 STONEHAM ,MA s/dv
MANNIK & SMITH GROUP, INC. 47QRAA20D006A 734-790-5177 MAUMEE ,OH o
MAP-COLLECTIVE, INC. 47QRAA23D0011 (703) 346-8489 WASHINGTON ,DC s/w/wo/d
MARINE TAXONOMIC SERVICES, LIMITED 47QRAA21D000T 7604108392 SAN MARCOS ,CA s
MARSH & ASSOCIATES LLC       GS-10F-0085V 480-459-7864 TEMPE ,AZ s
MARSTEL-DAY LLC GS-00F-070CA 7038395513 FREDERICKSBURG ,VA s
MAS CONSULTANTS & POINT SIX INC. 47QRAA20D005B 813-730-3543 VALRICO ,FL s/dv
MASON, BRUCE & GIRARD, INC 47QRAA21D0090 503-224-3445 PORTLAND ,OR s/d
MASPEC LLC 47QRAA22D00AQ 813-730-3543 VALRICO ,FL s/dv
MATRIX ENVIRONMENTAL SERVICES LLC GS-00F-057GA (303)572-0200 DENVER ,CO s  
MAXXIMUS ENVIRONMENTAL, INC GS-10F-0180X (301) 838-2730 ROCKVILLE ,MD s/d
MCL JASCO INC 47QRAA22D0078 (313)841-5000 DETROIT ,MI s/dv  
MDB, INC. 47QRAA20D0028 202-331-0060 WASHINGTON ,DC s
MEAD & HUNT INC GS-00F-230DA 906-629-1360 MIDDLETON ,WI o
MECA CONSULTING INC GS-10F-0229U 925-808-6700 PLEASANTON ,CA s
MECX, INC. GS-10F-0328R 713-585-7000 HOUSTON ,TX s/dv
MELE ASSOCIATES INC GS-00F-243CA 240-453-6962 ROCKVILLE ,MD o
MERKEL & ASSOCIATES, INC. GS-10F-0060T 858-560-5465 SAN DIEGO ,CA s/w
METALS TREATMENT TECHNOLOGIES LLC 47QRAA18D00CS 3034566977 ARVADA ,CO o
MICHAEL BAKER INTERNATIONAL, INC. 47QRAA21D008D 703-483-0029 ALEXANDRIA ,VA o
MID-SOUTH TESTING, INC. 47QRAA23D006U 256-351-7900 DECATUR ,AL s/w/wo
MIDATLANTIC SOLID WASTE CONSULTANTS LLC GS-00F-275GA 407-380-8951 ORLANDO ,FL s
MIDNIGHT SUN ENVIRONMENTAL, LLC 47QRAA24D00C0 9073443244 ANCHORAGE ,AK s
MIDWEST ASSISTANCE PROGRAM, INC. GS-10F-0025T 6605622575 MARYVILLE ,MO o
MILL CREEK ENVIRONMENTAL LLC       47QRAA22D000Q 706-579-1607 DAWSONVILLE ,GA s
MILLER ENGINEERS INC 47QRAA21D007C 575-649-2584 ALBUQUERQUE ,NM o
MIRACORP INC 47QSHA20D000Z 5715898970 MESA ,AZ s/w/wo/ew/dv/d
MIRACORP INC GS-10F-233AA * 571-589-8970 MESA ,AZ s/w/wo/ew/dv/d  
MSE GROUP LLC GS-10F-0469Y 855-629-8180 ORLANDO ,FL o
MTSA II JV LLC 47QRAA23D001Y 703-930-9624 FAIRFAX ,VA s/dv
MUNIREM ENVIRONMENTAL, LLC GS-00F-161GA 706-316-3525 WINDER ,GA s/d
MUSTARDSEED CULTURAL & ENVIRONMENTAL SERVICES LLC GS-10F-0009U 8163332424 KANSAS CITY ,MO s/w/d
MXI ENVIRONMENTAL SERVICES LLC GS-10F-0013Y (908)295-0555 ABINGDON ,VA s
NATIVE-X, INC. ARCHAEOLOGICAL SERVICES GS-10F-0174U 7755600808 LINCOLN ,CA s/v
NATURAL RESOURCE INNOVATIONS GMBH 47QRAA19D002P 004915153305747 HEIDELBERG ,
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NATURAL SYSTEMS ANALYSTS, INC 47QRAA22D004Q 4077183880 DUBOIS ,WY s/d
NATURES IMAGE, INC. GS-10F-045BA 9496804400 LAKE FOREST ,CA s/w/wo
NAVARRO RESEARCH AND ENGINEERING, INC. 47QRAA23D000P 865-220-9650 OAK RIDGE ,TN s/w/wo
NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
NEPTUNE AND COMPANY, INCORPORATED 47QRAA23D0019 720-746-1803 LAKEWOOD ,CO s/w/wo
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NEW SOUTH ASSOCIATES, INC. 47QRAA22D00EW 770-498-4155 STONE MOUNTAIN ,GA s/w/wo
NICHOLS CONSULTING ENGINEERS CHTD 47QRAA18D008A 7753294955 RENO ,NV s
NOBLIS, INC. GS-00F-096DA (703) 610-2290 RESTON ,VA o
NODI SOLUTIONS, LLC 47QRAA18D00GK 571-233-5916 FREDERICK ,MD s/w/wo
NOREAS, INC. GS-00F-373GA 714-955-3120 IRVINE ,CA s/d
NORMANDEAU ASSOCIATES, INC. 47QRAA23D002Z 603-637-1174 BEDFORD ,NH o
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NORTH WIND RESOURCE CONSULTING LLC GS-10F-111BA 208-419-4152 IDAHO FALLS ,ID s/d/an
NOVA ENGINEERING & ENVIRONMENTAL, LLC 47QRAA24D00D8 407-419-0383 KENNESAW ,GA o
NOVELESOLUTIONS, INC. 47QRAA23D00A3 (239) 220-4138 TAMPA ,FL s/w/wo/ew/d/8a/8aS
NUKA RESEARCH & PLANNING GROUP LLC GS-10F-164AA 5084544009 PLYMOUTH ,MA s/w/wo
NUTTER & ASSOCIATES INC 47QRAA19D009B 706-354-7925 ATHENS ,GA s/h
NV5 GEOSPATIAL, INC. 47QTCA18D001X 262-707-2974 SAINT PETERSBURG ,FL o
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OCCU-TEC INC GS-10F-0091T 816-231-5580 KANSAS CITY ,MO s
OCEAN ASSOCIATES INC GS-35F-372GA 703-819-6939 ARLINGTON ,VA s/w/wo
OHIO VALLEY ARCHAEOLOGY, INC. GS-10F-172BA (614) 436-6926 COLUMBUS ,OH s/w/wo/d
ONEIDA ENGINEERING SOLUTIONS LLC 47QRAA23D0093 414-257-4200 GREEN BAY ,WI s/d/8a/to/ai/8aS
ONEIDA ENVIRONMENTAL, LLC 47QRAA24D008S 414-257-4200 MILWAUKEE ,WI s/d/8a/to/8aS
ONEIDA TOTAL INTEGRATED ENTERPRISES LLC 47QRAA20D009B 414-257-4200 MILWAUKEE ,WI s/d/to/ai
ORION ENVIRONMENTAL, INC. 47QRAA21D000V 562-988-2755 LONG BEACH ,CA s
OSAGE RESEARCH AND DEVELOPMENT LLC 47QRAA24D000H 910-520-7450 SAINT CLAIRSVILLE ,OH s/w/wo/ew/d/ai
OTAK, INC. GS-10F-0401X 5032876825 PORTLAND ,OR o
PACIFIC WESTERN TECHNOLOGIES, LTD.       47QRAA21D005V 3032745400 WHEAT RIDGE ,CO s/d
PALEOWEST LLC       GS-10F-0116V 602-261-7253 PHOENIX ,AZ o
PANORAMA ENVIRONMENTAL INC 47QRAA20D0091 858-349-8883 SAN FRANCISCO ,CA s/w/wo/ew/d
PARADIGM ENVIRONMENTAL INC 47QRAA18D003K 7039571908 OAKTON ,VA s
PARAGON PROFESSIONAL SERVICES LLC 47QRAA19D007B 907-334-8311 ANCHORAGE ,AK s/d/8a/an/8aS
PARS ENVIRONMENTAL INC GS-10F-0094W 609-890-7277 ROBBINSVILLE ,NJ o
PARSONS GOVERNMENT SERVICES INC. 47QRAA19D000A 8036464100 CENTREVILLE ,VA o
PARYMON CORP 47QTCA21D00FC 240-418-2210 GAITHERSBURG ,MD s/w/wo/d/h
PBS ENGINEERING AND ENVIRONMENTAL INC. 47QRAA21D0001 206-766-7621 PORTLAND ,OR o
PCCI, INC. 47QRAA18D00HE 7033391110 ALEXANDRIA ,VA o
PERATON SERVICES & SOLUTIONS INC. GS-00F-296CA 703-673-6309 HERNDON ,VA o
PERIKIN ENTERPRISES LLC GS-00F-003AA 931-808-1876 ALBUQUERQUE ,NM s/d/8a
PETERSON KATHRYN 47QRAA18D008H 909-630-8279 AGUANGA ,CA s/w/wo
PG ENVIRONMENTAL, LLC GS-10F-0210U 7207898033 CHANTILLY ,VA o
PG ENVIRONMENTAL, LLC 47QRAA23D002W 7207898033 CHANTILLY ,VA o
PHASE ASSOCIATES LLC 47QRAA20D007Z 973-597-0750 LIVINGSTON ,NJ s/w
PIAT, INC. 47QRAA21D008M 913-915-3067 OLATHE ,KS s/v
PIKA INTERNATIONAL, INC. GS-10F-0202U 281-340-5525 STAFFORD ,TX s/d
PINYON ENVIRONMENTAL, INC.       47QRAA22D006T 303.984.0257 LAKEWOOD ,CO s/w/wo
PIONEER TECHNICAL SERVICES INC GS-10F-050AA 4067231898 BUTTE ,MT s
PLEXUS SCIENTIFIC CORPORATION 47QTCA19D00MH 5713385371 ALEXANDRIA ,VA s
PLEXUS SCIENTIFIC CORPORATION 47QRAA19D00BK * 5713385371 ALEXANDRIA ,VA s  
POTOMAC-HUDSON ENGINEERING INC 47QRAA18D0074 (301) 907-9078 X3003 ROCKVILLE ,MD s
POTOMACWAVE CONSULTING, INC. GS-00F-0007X 703-963-5064 ALEXANDRIA ,VA o
PRESTIGE ENVIRONMENTAL, INC GS-10F-0166T 908-757-9700 SOMERSET ,NJ s
PROFESSIONAL ENGINEERING SERVICES, LTD. 47QRAA21D008Y 9524566707 MINNEAPOLIS ,MN s/w/wo/d
PROFESSIONAL ENVIRONMENTAL ENGINEERS, INC GS-10F-200BA 314-531-0060 SAINT LOUIS ,MO s/w
PROFESSIONAL PROJECT SERVICES, INC. GS-00F-112CA 865.220.4377 KNOXVILLE ,TN s
PROJECT ENHANCEMENT CORPORATION 47QRAA24D000A 240-686-3059 GERMANTOWN ,MD s
PROPERTY & ENVIRONMENTAL MANAGEMENT INC 47QSHA20D0037 (614) 573-6998 COLUMBUS ,OH s/8a/h/8aS
PROPERTY CONDITION ASSESSMENTS, LLC       47QRAA22D009Z 661-618-7704 BREA ,CA s/d
PROSIDIAN CONSULTING LLC GS-10F-0309Y 713-562-1832 CHARLOTTE ,NC s/d
PROSPECTIVE TECHNOLOGY INC GS-10F-0350S (410) 381-0035 MARRIOTTSVILLE ,MD s/d
PRUDENT TECHNOLOGIES, INC GS-10F-0176Y (816)318-9434 KANSAS CITY ,MO s/d  
PYRAMID ENVIRONMENTAL & ENGINEERING, P.C. 47QRAA22D00ED 336-335-3174 GREENSBORO ,NC s
QUANTECH INC 47QRAA18D00CZ 2403972993 ROCKVILLE ,MD s
QUATERNARY RESOURCE INVESTIGATIONS, L.L.C. GS-10F-105BA 2252921400 BATON ROUGE ,LA s/w/wo/ew/d
R. CHRISTOPHER GOODWIN & ASSOCIATES, INC. 47QRAA20D002Q 301-694-0428 NEW ORLEANS ,LA s
R2T, INC. GS-00F-129GA 7705697037 ATLANTA ,GA s/w/wo/ew/d
RAMBOLL AMERICAS ENGINEERING SOLUTIONS, INC. 47QRAA20D0074 2482258513 SYRACUSE ,NY o
RAV EHS CONSULTING LLC 47QRAA22D0081 6156363840 FRANKLIN ,TN s/d
RAVEN ENVIRONMENTAL SERVICES, INC GS-00F-264DA 936-581-0492 HUNTSVILLE ,TX s
RB CONSULTING, INC. 47QRAA19D0091 518-330-2832 FREDERICK ,MD s/dv
RECON ENVIRONMENTAL,INC. 47QRAA22D005U 619-308-9333 SAN DIEGO ,CA s
RED J ENVIRONMENTAL CORPORATION GS-10F-0246T 928-288-3239 JOSEPH CITY ,AZ s/h
REDHORSE CORPORATION       GS-00F-0013Y * 619-241-4609 ARLINGTON ,VA o  
REDHORSE CORPORATION GS-07F-134GA (619) 241-4609 ARLINGTON ,VA o
REMPERT INC.
(DBA: RPF ENVIRONMENTAL) 		47QRAA24D003H (603) 942-5432 NORTHWOOD ,NH s/w/wo/ew
REMSA INC 47QRAA23D006S 7577220113 HAMPTON ,VA s/w/wo/ew/d
RENOVA ENVIRONMENTAL COMPANY 47QRAA20D005N 732-659-1000 OCEAN ,NJ s/d/h
RESEARCH PLANNING, INC. 47QRAA19D003K 803-256-7322 COLUMBIA ,SC s/w/wo
RESEARCH TRIANGLE INSTITUTE GS-00F-354CA 9195416624 DURHAM ,NC o
RESOLUTION LLC 47QRAA25D0033 256-713-8990 HUNTSVILLE ,AL s/dv/d/8a/ai/8aS
RESOURCE MANAGEMENT CONCEPTS, INC.       47QTCA19D007C 301-862-7501 LEXINGTON PARK ,MD o
RESOURCE RECYCLING SYSTEMS INC GS-10F-038CA 734-996-1361 ANN ARBOR ,MI s/d
RESPEC COMPANY, LLC 47QTCA19D0084 605-394-6400 RAPID CITY ,SD o
RHEA ENGINEERS & CONSULTANTS, INC 47QRAA20D0051 724-443-4111 CORAOPOLIS ,PA s/w/wo
RICHARD GRUBB AND ASSOCIATES, INC. GS-00F-057DA 609-655-0692 CRANBURY ,NJ s/w/wo/ew
RISK ASSESSMENT AND MANAGEMENT GROUP, INC. 47QRAA22D001H 8324981717 BELLAIRE ,TX s
RMEC ENVIRONMENTAL INC 47QRAA22D00EX 8014673661 BOUNTIFUL ,UT s
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
ROCK LEAF WATER ENVIRONMENTAL LLC 47QRAA23D002M 8337625532 BLAINE ,MN s/w/wo/ew/d
ROMEM AQUA SYSTEMS CO INC 47QRAA20D005A 7036432952 WOODBRIDGE ,VA s/dv
ROSS & ASSOCIATES ENVIRONMENTAL CONSULTING, LTD. 47QRAA22D008B 206-447-1805 SEATTLE ,WA s
RPI-CSS, LLC       47QRAA24D004A 8032567322 COLUMBIA ,SC s/w/wo/wojv
RPS GROUP, INC. GS-10F-0438R 401-789-6224 HOUSTON ,TX o
RURAL AND TRIBAL ENVIRONMENTAL SOLUTIONS, INC 47QRAA25D0051 (406)491-2521 WISE RIVER ,MT s    
RURAL COMMUNITY ASSISTANCE CORPORATION GS-10F-0255X 916-708-1896 WEST SACRAMENTO ,CA o
RUTH VILLALOBOS & ASSOCIATES, INC GS-00F-432GA 9092451140 ONTARIO ,CA s/w/wo/d
S & K FEDERAL SERVICES LLC 47QRAA22D008G 603-362-2178 SAINT IGNATIUS ,MT s/d/8a/to/ai/8aS
S C & A INC 47QRAA20D002W 7038936600 ARLINGTON ,VA s
S&K MISSION SUPPORT, LLC 47QTCA24D00B1 4067455724 SAINT IGNATIUS ,MT s/d/8a/to/ai/8aS
S.P. CRAMER & ASSOCIATES, INC. 47QRAA19D0045 (888) 224-1221 PORTLAND ,OR s
S.S. PAPADOPULOS & ASSOCIATES, INC. 47QRAA22D0037 3015002275 ROCKVILLE ,MD s
SAIN ENGINEERING ASSOCIATES, INC. 47QSHA18D000D 2059094989 BIRMINGHAM ,AL s
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION GS-00F-002CA * 703-676-7988 RESTON ,VA o  
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION 47QRAA25D0052 301-401-3440 RESTON ,VA o
SCOUT ENVIRONMENTAL, INC. 47QRAA21D009A 7602399611 ENCINITAS ,CA s/dv
SEBA PROFESSIONAL SERVICES LLC GS-23F-057AA 703-856-2078 RIVERDALE ,MD s/w/wo/ew/d/h
SECURIFENSE INC       GS-00F-186GA 412-973-9998 HENDERSONVILLE ,NC s/dv
SERES ENGINEERING & SERVICES LLC 47QRAA18D00ES (843) 216-8531 CHARLESTON ,SC s/d
SES INC. 47QRAA22D0083 913-307-0046 LENEXA ,KS s
SHIPLEY GROUP, INC., THE 47QRAA19D00CF 8882702157 FARMINGTON ,UT s
SHN CONSULTING ENGINEERS & GEOLOGISTS, INC.       47QRAA24D000Y 707-441-8855 EUREKA ,CA s
SIGNAL USA LLC 47QRAA23D009M 248-765-3709 TROY ,MI o
SIGNATURE SCIENCE LLC GS-00F-105CA (877) 474-4724 AUSTIN ,TX o
SKEO SOLUTIONS, INC. 47QRAA20D0027 434-226-4284 CHARLOTTESVILLE ,VA s
SOIL AND LAND USE TECHNOLOGY, INC
(DBA: SOIL & LAND USE TECHNOLOGY INC) 		GS-10F-0072T 301-595-3783 WASHINGTON ,DC s
SOL ENGINEERING SERVICES, LLC GS-00F-223GA 601-961-1415 JACKSON ,MS s/d/h
SOLV LLC 47QRAA18D00DH 7037604801 MC LEAN ,VA s
SONOMA TECHNOLOGY, INC. 47QRAA18D00D1 707-665-9900 PETALUMA ,CA s
SOUTHEASTERN ARCHAEOLOGICAL RESEARCH, INC. GS-10F-0255Y 4072367711 ORLANDO ,FL o
SOUTHWEST HAZARD CONTROL INC GS-10F-115BA 5206223607 TUCSON ,AZ s/w/d
SPATIAL INFORMATICS GROUP LLC 47QRAA20D004S 510-427-3571 PLEASANTON ,CA s
SPECIALTY CONSULTING, INC. 47QRAA24D000U (312)319-7575 CHICAGO ,IL s/d    
SPECPRO MANAGEMENT SERVICES, LLC       47QRAA19D007P (210) 424-2110 SAN ANTONIO ,TX o
SPECPRO PROFESSIONAL SERVICES, LLC       47QRAA19D004W 210-201-8994 SAN ANTONIO ,TX s/d/8a/ai/an
SPECTRA TECH, INC. GS-00F-264CA 865-813-2131 OAK RIDGE ,TN s
SRC INC 47QRAA19D005N 3158834591 SYRACUSE ,NY o
STANTEC CONSULTING SERVICES INC. 47QRAA19D000Q (212) 330-6261 DENVER ,CO o
STANTEC GS INC. GS-00F-196CA 9165487783 CHARLOTTESVILLE ,VA o
STATISTICAL RESEARCH INC 47QRAA24D008G 520-907-9677 TUCSON ,AZ s/w/wo/ew
STEARNS, CONRAD AND SCHMIDT, CONSULTING ENGINEERS, INC. 47QRAA20D002R 703-471-6150 LONG BEACH ,CA o
STELL ENVIRONMENTAL ENTERPRISES INC 47QRAA23D000D 303-638-2233 MOUNTLAKE TERRACE ,WA s/w/wo/ew/dv
STELL SIA SALAS O'BRIEN LLC 47QRAA23D005N 303-638-2233 MOUNTLAKE TERRACE ,WA s/w/wo/ew/dv/wojv
STETSON ENGINEERS INC       47QRAA24D00AN (415)457-0701 SAN RAFAEL ,CA s    
STILLWATER ECOSYSTEM WATERSHED & RIVERINE SCIENCES GS-10F-0216S 5108488098 BERKELEY ,CA s/w/wo
STOVER & ASSOCIATES LLC 47QRAA24D0091 202-695-4956 WASHINGTON ,DC s/d
STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STRAUGHAN ENVIRONMENTAL, INC. GS-10F-014CA 4435392535 COLUMBIA ,MD s/w/wo/ew/d
STREET LEGAL INDUSTRIES, INC 47QRAA19D00A7 865-483-6373 OAK RIDGE ,TN s/w/wo/ew/d/8a/8aS
STV INCORPORATED 47QRAA22D0097 202-604-1467 DOUGLASSVILLE ,PA o
SUNDANCE CONSULTANTS, LLC       47QRAA18D00AS 619-333-3960 POCATELLO ,ID o
SURF TO SNOW ENVIRONMENTAL RESOURCE MANAGEMENT, INC. 47QRAA21D000B 925-362-3114 SAN RAMON ,CA s/dv/d
SUSTAINMENT & RESTORATION SERVICES, LLC 47QRAA18D00FN 414-257-4200 MILWAUKEE ,WI s/d/8a/to/ai
SWCA, INCORPORATED 47QRAA19D004C 6022743831 PHOENIX ,AZ o
SYSTEMATIC MANAGEMENT SERVICES INC. GS-00F-241CA 3013530072 FREDERICK ,MD s
T3W BUSINESS SOLUTIONS, INC. 47QRAA19D000N 619-288-0888 SAN DIEGO ,CA s/w/wo
T47 INTERNATIONAL, INC. 47QRAA22D004N 7032865426 BOWIE ,MD s/w/wo/ew/v/8a/8aS
TECHLAW CONSULTANTS INC 47QSWA18D008B 7038183233 CHANTILLY ,VA o
TECHNICAL RESOURCES GROUP INC. GS-10F-0300W 208-528-8895 IDAHO FALLS ,ID s/w
TECHNICAL RESOURCES INTERNATIONAL, INC. GS-00F-274CA 301-564-6400 BETHESDA ,MD o
TECTONIC ENGINEERING CONSULTANTS, GEOLOGISTS & LAND SURVEYORS, DPC GS-00F-015BA 845-534-5959 MOUNTAINVILLE ,NY o
TEHAMA, LLC       47QRAA18D00A4 719-437-5131 KANSAS CITY ,MO s/d/to
TEKPRO SUPPORT SERVICES, LLC 47QSMA22D08PE 210-899-1400 SAN ANTONIO ,TX s/d/8a/ai/an/8aS
TELEDYNE BROWN ENGINEERING, INC. GS-00F-155CA 256-726-1334 HUNTSVILLE ,AL o
TELLUS CIVIC SCIENCE CORPORATION 47QRAA24D002R 4153145530 SAN DIEGO ,CA s/w/wo/ew/d
TERRA SOLUTIONS & SERVICES INC 47QRAA19D00AV 925-660-2732 HERLONG ,CA s/d/to/ai
TERRACON CONSULTANTS, INC. 47QRAA20D0065 9132027528 OLATHE ,KS o
TERRANEAR PMC LLC GS-00F-322CA (832)265-4900 EXTON ,PA s/d  
TERRANEXT L.L.C 47QRAA21D004Y 8162250893 DENVER ,CO s/w/wo/ew/d
TERRAPHASE ENGINEERING INC 47QRAA22D006X 510-388-8745 OAKLAND ,CA s
TERRESTRIS, LLC 47QTCA23D0047 703-344-2777 DUMFRIES ,VA s/dv/8a/8aS
TERWILLIGER CONSULTING, INC. 47QRAA21D003F 757-787-3974 LOCUSTVILLE ,VA s/w/wo/h  
TETRA TECH, INC. GS-00F-168CA 805-681-3102 PASADENA ,CA o
TETRAHEDRON, INC.       47QRAA24D0016 (410)837-0512 BALTIMORE ,MD s/w/wo/d    
THE ASSOCIATION OF STATE WETLAND MANAGERS INC. GS-10F-0065V 207-892-3399 PORTLAND ,ME o
THE ATLANTIC GROUP LLC GS-10F-106AA 256-513-8527 HUNTSVILLE ,AL o
THE CADMUS GROUP LLC GS-00F-227CA 617-673-7170 ARLINGTON ,VA o
THE CATALYST GROUP OF COMPANIES LIMITED LIABILITY COMPANY 47QRAA22D00DA 7327896860 NEW BRUNSWICK ,NJ s/d
THE COLLABORATIVE, INC. GS-10F-0147V 303-442-3601 BOULDER ,CO s
THE EARTHWORKS GROUP, INC. 47QRAA23D003B 843-651-7900 MURRELLS INLET ,SC s
THE NDN COMPANIES 47QRAA24D008J 9048002671 JACKSONVILLE ,FL s/w/wo/ew/d/8a/8aS
THE OTTERY GROUP, INC GS-10F-0061X 2402747710 SILVER SPRING ,MD s
THE PUBLIC ARCHAEOLOGY LABORATORY, INCORPORATED GS-10F-0032S 401-728-8780 PAWTUCKET ,RI o
THE PUBLIC ARCHAEOLOGY LABORATORY, INCORPORATED 47QRAA24D00C2 401-288-6301 PAWTUCKET ,RI o
THE SOLUTION FOUNDRY, LLC       GS-10F-0250U 4049153199 WOODSTOCK ,GA s
THE THRIVAL COMPANY LLC 47QRAA18D009X 208-991-8264 AUSTIN ,TX s/w/wo/d
THUNDERBIRD-HRP JV LLC 47QRAA25D0008 860-674-9570 CLINTON ,CT s/dv/d
TIERRA RIGHT OF WAY SERVICES LTD GS-10F-0147T 5203192106 TUCSON ,AZ s
TITAN ENVIRONMENTAL SOLUTIONS, INC 47QRAA20D003Q 714-860-8965 FULLERTON ,CA s/d/8a
TK & K SERVICES LLC 47QRAA20D008E 617-448-1668 BEVERLY ,MA s/dv
TLC ENGINEERING, INC. 47QRAA23D006A 713-868-6900 HOUSTON ,TX s/d
TOEROEK ASSOCIATES, INC. GS-00F-055CA 7208984114 LAKEWOOD ,CO s
TOTAL ENVIRONMENTAL CONCEPTS, INC. GS-10F-0270V 301-548-0382 LAUREL ,MD s
TRANSPACIFIC TECHNOLOGIES, INC 47QRAA22D0075 626-701-2305 PASADENA ,CA s/w/wo/d/8a/8aS
TRANSYSTEMS CORPORATION 47QRAA19D001C 510-835-7254 KANSAS CITY ,MO o
TRIDENT TREATMENT & DEWATERING, LLC 47QRAA23D0003 813-833-1625 TAMPA ,FL s/d
TRINITY ANALYSIS AND DEVELOPMENT CORP. GS-00F-213DA (850)613-6800 SHALIMAR ,FL s/d  
TRINITY CONSULTANTS INC 47QRAA24D0020 972-661-8100 DALLAS ,TX o
TRIVERS ASSOCIATES, INC. 47QRAA25D002J 3144889237 SAINT LOUIS ,MO s
UL VERIFICATION SERVICES INC. 47QRAA20D0011 973-821-5259 SAN LUIS OBISPO ,CA o
UNIFIED BUSINESS TECHNOLOGIES, INC. GS-10F-0230X 248-588-1781 TROY ,MI s/w/wo/ew/d
UNIVERSAL SOLUTIONS, INC. GS-00F-315GA (813) 639-1241 TAMPA ,FL s/d
UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL 47QRAA18D00CA 919-962-5523 CHAPEL HILL ,NC o
US&S INC 47QSHA23D000V 864-233-8035 GREENVILLE ,SC s/dv/d
USFIN DEVELOPMENT LLC GS-10F-0310X 2524239901 SOUTHERN SHORES ,NC s/dv/d/h
VANASSE HANGEN BRUSTLIN INC GS-00F-116CA 8044417439 WILLIAMSBURG ,VA o
VERITAS MANAGEMENT GROUP, INC. 47QTCA22D007G 4048441326 ALPHARETTA ,GA s/w/wo/ew/d/8a/8aS
VERNADERO GROUP INC GS-10F-0033T 4803151000 PHOENIX ,AZ s/v
VERSAR, INC. 47QRAA18D00F7 * 703-587-2513 WASHINGTON ,DC o  
VERSAR, INC. 47QRAA22D0055 202-984-0670 WASHINGTON ,DC o
VISION PLANNING AND CONSULTING LLC 47QRAA19D000L 2408938719 FULTON ,MD s/w/wo/ew/d
WARTHOG INFORMATION SERVICES LLP 47QTCA24D0032 360-223-4843 BELLINGHAM ,WA s
WATER & AIR RESEARCH, INC. 47QRAA22D00CW 352-372-1500 GAINESVILLE ,FL s
WATER & ENVIRONMENTAL TECHNOLOGIES, INC. 47QRAA22D00DS 509-592-3289 BUTTE ,MT s
WATER, CIVIL AND ENVIRONMENTAL INCORPORATED GS-00F-386GA (208) 319-9744 BOISE ,ID s/w/wo/ew/d/8a/8aS
WE THINK GLOBAL INC. 47QRAA25D0065 816-416-5002 STUDIO CITY ,CA s/w/wo/ew/d
WESTERN ECOSYSTEMS TECHNOLOGY, INC       GS-10F-072BA 307-634-1756 CHEYENNE ,WY o
WESTON SOLUTIONS INC 47QSHA18D0016 720-443-7252 WEST CHESTER ,PA o
WESTWATER ENGINEERING, INC 47QRAA20D002M 9702417076 GRAND JCT ,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/ai  
WILLIAM M KIER       GS-10F-0124U 707-834-2465 SAN RAFAEL ,CA s
WINDJAMMER ENVIRONMENTAL LLC GS-00F-180GA 314-324-6042 SUITLAND ,MD s/d/8a
WOODS CANYON ARCHAEOLOGICAL CONSULTANTS, INC. GS-10F-0446Y (970)564-9640 CORTEZ ,CO s  
WOOLPERT, INC. 47QTCA25D002W 937-531-1309 BEAVERCREEK ,OH o
WSP USA ENVIRONMENT & INFRASTRUCTURE INC. GS-00F-314CA 2153672971 BLUE BELL ,PA o
WSP USA SOLUTIONS INC 47QRAA18D002R 215-367-2971 WASHINGTON ,DC o
WSP USA SOLUTIONS INC 47QRAA18D0073 * (206)382-5282 WASHINGTON ,DC o  
XCEL ENGINEERING, INC. 47QRAA22D00D0 (865)766-8541 HUNTSVILLE ,AL s/dv  
ZARA ENVIRONMENTAL LLC 47QRAA23D0006 512-291-4555 SAN MARCOS ,TX s/w/wo/ew/v/d
ZIA ENGINEERING & ENVIRONMENTAL CONSULTANTS LLC 47QRAA21D00AN 575-680-2337 LAS CRUCES ,NM s/d
* Contract Closed for New Awards


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