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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 (or mandates such as Executive Order 13693 in areas of chemical, radiological, and/or hazardous materials; ISO 14001 Environmental Management System (EMS) and sustainable performance measure development; Environmental Assessment (EA) and Environmental Impact Statement (EIS) preparation under the National Environmental Policy Act (NEPA).
543 contractors

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3D ENVIROLOGICS LLC GS-10F-023CA 4349894223 EARLYSVILLE ,VA s/w/wo
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)533-2560 KING OF PRUSSIA ,PA s  
A.I.S., INC. GS-10F-0131T 508-990-9054 DARTMOUTH ,MA s
AARCHER INC GS-10F-0451M 410-897-9100 ANNAPOLIS ,MD s
ABR INC 47QRAA20D0010 (907) 455-6777 EXT. FAIRBANKS ,AK s
ABR INC GS-10F-0175M 907-455-6777 FAIRBANKS ,AK s
ABT ASSOCIATES, INC. GS-00F-252CA 301-347-5093 ROCKVILLE ,MD o
ACADIAN CONSULTING GROUP 47QRAA19D000Z 2257692603 BATON ROUGE ,LA s
ADANTA, INC. GS-10F-041CA 707-709-8894 NAPA ,CA s/w/wo/ew/d/8a
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 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 3015156785 GAITHERSBURG ,MD s/w/wo
AERO E H & S INC GS-10F-0379Y 410-480-3636 ELLICOTT CITY ,MD s
AEROSOL MONITORING & ANALYSIS 47QRAA19D0063 4106843327 HANOVER ,MD s/d
AEROSOL MONITORING & ANALYSIS GS-10F-0386K (410)684-3327 HANOVER ,MD s/d  
AEW ENGINEERING INC GS-10F-0519N 402-690-1422 OMAHA ,NE s/w/wo/ew/dv/d
AFFINITY CONSULTANTS INC 47QRAA18D0055 (330)854-9066 CANAL FULTON ,OH s    
AGEISS INC. 47QRAA19D00BC 720-340-8770 CHEYENNE ,WY o
AH ENVIRONMENTAL CONSULTANTS, INC. 47QRAA18D00AU (757)873-4959 NEWPORT NEWS ,VA s    
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  
ALFRED BENESCH & COMPANY GS-10F-0181W 4024792200 CHICAGO ,IL o
ALISTO ENGINEERING GROUP, INC. GS-10F-0080M (925)279-5000 WALNUT CREEK ,CA s  
ALLEGHENY SCIENCE & TECHNOLOGY CORPORATION GS-10F-053AA 571-418-6376 BRIDGEPORT ,WV s/w/wo/ew/d/8a
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 2106013190 SAN ANTONIO ,TX s/dv/d
ALPHA-OMEGA TRAINING AND COMPLIANCE INC GS-10F-0350Y 3214459845 EXT 6 COCOA ,FL s/v
ALPINE ARCHAEOLOGICAL CONSULTANTS, INC. GS-10F-0004S 970-249-6761 EXT. 38 MONTROSE ,CO s
ALTA ARCHAEOLOGICAL CONSULTING LLC 47QRAA18D009U 707 544 4206 SANTA ROSA ,CA s/w/wo/ew/d
ALTHOUSE & MEADE INC 47QRAA19D005T 805-237-9626 PASO ROBLES ,CA s/w/wo/d
AMERICAN COMPLIANCE TECHNOLOGIES, INC
(DBA: A-C-T ENVIRONMENTAL & INFRASTRUCTURE)
GS-00F-302DA 8635332000 BARTOW ,FL s
ANALYSIS, PLANNING AND MANAGEMENT INSTITUTE, INC. 47QRAA19D0047 (844)470-8802 CULPEPER ,VA o    
ANAMAR ENVIRONMENTAL CONSULTING, INC. GS-10F-091CA 3523779168 GAINESVILLE ,FL s/w/wo
ANCHOR QEA, LLC GS-10F-0590N 2062879130 SEATTLE ,WA o
ANDERSON ENGINEERING OF MINNESOTA, LLC       47QRAA18D006J 763-412-4000 MINNEAPOLIS ,MN s/dv
APPLIED EARTHWORKS INC GS-10F-0332P (559) 229-1856 FRESNO ,CA s
APPLIED ENVIRONMENTAL, INC. 47QRAA19D0098 (703) 648-0822 HERNDON ,VA s/w/wo
APPLIED ENVIROSOLUTIONS INC GS-10F-0324S 4808397000 TEMPE ,AZ s/w/wo/ew/d
APPLIED INTELLECT GS-10F-026BA 571-510-0862 WEXFORD ,PA s/d/8a
APPLIED MARINE SCIENCES, INC 47QRAA19D005B 925-373-7142 LIVERMORE ,CA s
APPLIED RESEARCH ASSOCIATES, INC. GS-00F-341CA 505-214-8125 ALBUQUERQUE ,NM o
AQUAETER, INC. GS-10F-0188X 6153738532 BRENTWOOD ,TN s/d
ARC ENVIRONMENTAL, INC. GS-10F-0007S 4106599971 BALTIMORE ,MD s
ARCHAEOLOGICAL CONSULTING SERVICES, LTD. GS-10F-0224P 480-894-5477 TEMPE ,AZ s/w
ARM ENVIRONMENTAL SERVICES INC GS-10F-0201N (803)783-3314 COLUMBIA ,SC s  
ARS ALEUT REMEDIATION LLC GS-00F-300GA 803-442-7661 PORT ALLEN ,LA s/d/8a
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 CULTURAL RESOURCE MANAGEMENT SOLUTIONS GS-10F-0013V 505-466-3162 SANTA FE ,NM s/w
ASPEN ENVIRONMENTAL GROUP       GS-10F-0229N 818-597-3407 AGOURA HILLS ,CA s/d
ASSISTED MANAGEMENT SOLUTIONS, INC. GS-00F-381GA (301)904-5223 LEONARDTOWN ,MD s/w/wo/ew/d/8a    
ASSOCIATION OF STATE WETLAND MANAGERS INC, THE GS-10F-0065V 207-892-3399 WINDHAM ,ME o
ATC GROUP SERVICES LLC GS-10F-0458N 7208375628 LAFAYETTE ,LA o
ATCS, P.L.C. GS-10F-0040V 703-430-7500 HERNDON ,VA o
ATI, INC. 47QRAA18D00E9 4109923424 COLUMBIA ,MD s/d/8a
ATKINS NORTH AMERICA, INC. GS-00F-007AA 813-281-4584 TAMPA ,FL o
ATLANTIC GROUP, LLC, THE GS-10F-106AA 2569719991 HUNTSVILLE ,AL s
AUXILIO MANAGEMENT SERVICES       GS-00F-005HA (720)327-1068 DENVER ,CO s/w/wo/ew/d/8a  
AVALON BUSINESS ENGINEERING SERVICES, LLC 47QRAA20D003E 801 668-5823 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
AVATAR ENVIRONMENTAL LLC GS-10F-0090N 6106479500 WEST CHESTER ,PA s/dv
AXIS MANAGEMENT GROUP LLC 47QRAA18D007F 540-338-5071 MCLEAN ,VA s/w/wo/ew/d/8a
AYUDA COMPANIES GS-10F-0043W 3039992152 DENVER ,CO s/w/wo/ew/d/h
B&B DIVERSIFIED ENTERPRISES, INC.       GS-00F-307DA 610-845-0640 BARTO ,PA s/w/wo/d
B3GLOBALCON, LLC       GS-00F-226GA 804-519-9808 MIDLOTHIAN ,VA s/dv/d
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. 47QRAA20D007E (248)489-9636 NORTHVILLE ,MI s    
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
BIO-WEST, INC. GS-10F-0331S 435-752-4202 LOGAN ,UT s
BIODIVERSITY RESEARCH INSTITUTE INC GS-10F-226AA 207-887-7160 PORTLAND ,ME o
BLUESTONE ENVIRONMENTAL GROUP INC. GS-00F-117DA 484.802.5150 BERWYN ,PA s/w/wo/ew/8a
BMT DESIGNERS & PLANNERS, INC. GS-00F-337CA 703-920-7070 ARLINGTON ,VA o
BOOZ ALLEN HAMILTON INC.       GS-00F-008DA 703-377-4359 MCLEAN ,VA o
BOSTON GOVERNMENT SERVICES, LLC GS-00F-013GA (202)262-8098 LENOIR CITY ,TN s/d/8a
BRATSLAVSKY CONSULTING ENGINEERS, INC. GS-00F-071CA 9072807619 ANCHORAGE ,AK s/w/wo/ew/d
BRIC, LLC GS-10F-0129L 5058848300 ALBUQUERQUE ,NM s/d/8a
BROADBENT & ASSOCIATES, INC. 47QRAA20D004L 775-322-7969 EXT. 60 HENDERSON ,NV o
BROCKINGTON AND ASSOCIATES, INC. GS-10F-0145U 843-881-3128 ATLANTA ,GA s
BSA ENVIRONMENTAL SERVICES, INC. GS-10F-0302S 2167650582 CLEVELAND ,OH s
BUELL ENVIRONMENTAL LLC GS-00F-266DA 970-736-8557 OAK CREEK ,CO s/w/wo
BURLESON CONSULTING, INC. GS-10F-0277R 916-984-4651 FOLSOM ,CA s/d
BURNS & MCDONNELL ENGINEERING COMPANY, INC. 47QRAA18D0054 816-822-4343 KANSAS CITY ,MO o
C. H. GUERNSEY & COMPANY 47QRAA19D00DM 405-416-8278 OKLAHOMA CITY ,OK o
C.J. SETO SUPPORT SERVICES, LLC GS-10F-0408R 805-544-1214 VENTURA ,CA s/dv/d
CABRERA SERVICES INC. 47QRAA18D000H (860)569-0095 EAST HARTFORD ,CT s/d  
CADMUS GROUP LLC, THE       GS-00F-227CA 617-673-7000 WALTHAM ,MA 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
CASTLE HILL ASSOCIATES, LLC 47QRAA18D00BP 5679520212 WATERVILLE ,OH s/w/wo/dv/d
CDM FEDERAL PROGRAMS CORPORATION GS-00F-085CA 303-383-2300 FAIRFAX ,VA o
CHEROKEE NATION MANAGEMENT & CONSULTING, L.L.C. GS-00F-302GA 210-323-4113 CATOOSA ,OK s/d/8a
CHESAPEAKE ENVIRONMENTAL COMMUNICATIONS, INC. 47QRAA18D005E 804-832-0630 RICHMOND ,VA s/w/wo/ew/d
CHLOETA FIRE, L.L.C. GS-10F-049BA 877-245-6382 JAY ,OK s/d/8a/h
CIRCLEPOINT GS-00F-0012R (510) 285-6736 OAKLAND ,CA s
CIRRUS ECOLOGICAL SOLUTIONS, L.C. GS-10F-0164T 4357871490 LOGAN ,UT s
CITADEL ENVIRONMENTAL SERVICES, INC. GS-10F-0281V 818-246-2707 GLENDALE ,CA s
CLARK GROUP, LLC, THE GS-10F-0150W 802-917-0581 WASHINGTON ,DC s/w/wo/ew/d
CLEAN HARBORS ENVIRONMENTAL SERVICES, INC. GS-10F-0270M 972-265-2456 NORWELL ,MA o
CLEAN VENTURE, INC. GS-10F-0254N 8568638778 AVENEL ,NJ o
COLEMAN, JASON A
(DBA: SOLANO ARCHAEOLOGICAL SERVICES)
GS-10F-0342T 707-718-1416 DIXON ,CA s
COLLABORATIVE INC, THE GS-10F-0147V 303-442-3601 BOULDER ,CO s
COLLABORATIVE, INC. THE       GS-00F-0017R 978-790-8581 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
CONSULTECH ENVIRONMENTAL, LLC 47QRAA20D003M (727)831-7585 APEX ,NC s/w/wo/ew/d    
COPPERHEAD ENVIRONMENTAL CONSULTING, INC 47QRAA18D00CR 8599259012 PAINT LICK ,KY s
CORNERSTONE ENVIRONMENTAL CONSULTING, LLC       47QRAA19D0057 928-522-4148 FLAGSTAFF ,AZ s/d
CREDERE ASSOCIATES, LLC 47QRAA18D005L 207-828-1272 WESTBROOK ,ME s/w/wo/ew/d/8a
CRITERION LABORATORIES INC GS-10F-0311X 2152441300 BENSALEM ,PA s
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
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 GS-00F-314GA (619) 356-1147 SAN DIEGO ,CA s/dv
DAVEY TREE EXPERT COMPANY, THE GS-10F-0615N 330-673-9515 KENT ,OH o
DCR SERVICES & CONSTRUCTION, INC.       47QRAA18D009A 313-779-2612 DETROIT ,MI s/d/8a/h
DESERT ARCHAEOLOGY, INC GS-10F-161AA 520-881-2244 TUCSON ,AZ s
DEWBERRY ENGINEERS INC. GS-00F-280CA (703) 206-0812 FAIRFAX ,VA o
DKI RESTORATION, LLC 47QRAA18D00FW 630-350-3000 ELK GROVE VILLAGE ,IL s/d
DMG FOUR CORNERS RESEARCH INC GS-10F-0614N 575-323-3271 LAS CRUCES ,NM s/w
DOUGLAS W PETERS & ASSOCIATES, INC GS-10F-0049N (502)454-8530 LOUISVILLE ,KY 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
DPSTUDIO, LLC 47QRAA19D00C3 804-402-0446 RICHMOND ,VA s/w/wo/d
DTECH SERVICES 47QRAA19D0076 817-695-6519 ARLINGTON ,TX s/d
DYNAMIC SOLUTIONS, LLC GS-10F-0527N 8652123331 KNOXVILLE ,TN s/w
E. H. T. TRACERIES, INC. 47QRAA18D001L (202)-393-1199 WASHINGTON ,DC s/w/wo/ew/d
E3 FEDERAL SOLUTIONS, LLC GS-00F-151CA 571 551-2726 MCLEAN ,VA o
EA ENGINEERING, SCIENCE, AND TECHNOLOGY, INC., PBC 47QRAA19D005G 410-527-2402 HUNT VALLEY ,MD s
EARTH RESOURCES TECHNOLOGY, INC. GS-00F-109CA 3013231435 LAUREL ,MD o
EARTH SMART ENVIRONMENTAL SOLUTIONS, LLC GS-00F-099DA 240-298-5702 WINTER GARDEN ,FL s/dv
ECO & ASSOCIATES INC GS-10F-0371U 714-289-0995 TUSTIN ,CA s/w/d/8a
ECO RESOURCE GROUP, LLC GS-00F-017AA (206) 855-0590 BAINBRIDGE ISLAND ,WA s/w/wo/ew/d
ECOANALYSTS INC       GS-10F-0050U 208-882-2588X21 MOSCOW ,ID s
ECODIT LLC 47QRAA19D00DN 703-841-1883 ARLINGTON ,VA s
ECOLOGICAL SOLUTIONS GROUP LLC GS-10F-0002V 406-777-1881 STEVENSVILLE ,MT s
ECOPLAN ASSOCIATES INC GS-10F-0147T 480-733-6666 X115 MESA ,AZ s
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
ECS FEDERAL, INC. GS-00F-072CA 571-232-1412 FAIRFAX ,VA o
ECS MID-ATLANTIC, LLC 47QRAA19D006M 703-810-1224 CHANTILLY ,VA o
EHS-INTERNATIONAL, INC. GS-10F-0400S 206-381-1128 SEATTLE ,WA s/d
EKNA SERVICES, INC. 47QRAA20D0078 (808)695-6237 HONOLULU ,HI s/w/wo    
EL DORADO ENGINEERING, INC.       47QRAA18D00E6 801-966-8288 WEST JORDAN ,UT s
ELYON INTERNATIONAL, INC. GS-00F-203GA (360) 696-5892 VANCOUVER ,WA s/w/wo/ew/v/d
ENDPOINT SOLUTIONS CORP. GS-10F-133BA 414-858-1204 FRANKLIN ,WI s
ENDYNA, INC.       GS-00F-0017Y 7038488840 MCLEAN ,VA s/w/wo/ew/d
ENGINEERING & ENVIRONMENT, INC. GS-10F-0082L 7574570002 VIRGINIA BEACH ,VA s
ENGINEERING/REMEDIATION RESOURCES GROUP, INC. GS-10F-0294R 425-658-5361 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
ENVIRON-CIVIL ENGINEERING, LTD GS-00F-317CA 4102905950 COLUMBIA ,MD s/d
ENVIRONMENT INTERNATIONAL LTD GS-10F-0069L 2065253362 SEATTLE ,WA s/w/wo/d/h
ENVIRONMENTAL BUSINESS PARTNERS, LLC GS-10F-0363T 9042874200 YULEE ,FL s/dv
ENVIRONMENTAL CHEMICAL CORPORATION GS-10F-0091M 650-347-1555 BURLINGAME ,CA s
ENVIRONMENTAL COMPLIANCE CONSULTANTS, INC       GS-10F-0018V 907 644-0428 ANCHORAGE ,AK s/dv/h
ENVIRONMENTAL CONSULTING AND TRAINING SERVICES, INC GS-10F-0355L 8657193215 ALCOA ,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 (352)262-0802 GAINESVILLE ,FL s/w/wo/ew/d  
ENVIRONMENTAL GROUP SERVICES, LTD. GS-10F-0457Y 312-447-1200 CHICAGO ,IL s
ENVIRONMENTAL INCENTIVES, LLC GS-00F-193DA 5305412980 SOUTH LAKE TAHOE ,CA s
ENVIRONMENTAL LAW INSTITUTE, THE GS-10F-0330P 2029393834 WASHINGTON ,DC o
ENVIRONMENTAL MANAGEMENT AND PLANNING SOLUTIONS, INC. GS-10F-0412S 14155440440 BOULDER ,CO s
ENVIRONMENTAL MANAGEMENT INC GS-10F-0308T (907)272-9336 ANCHORAGE ,AK s  
ENVIRONMENTAL MANAGEMENT SERVICES INC GS-10F-0074T (301) 309-0475 ROCKVILLE ,MD s/w/wo/ew/d
ENVIRONMENTAL MANAGEMENT SUPPORT, INC 47QRAA18D00C7 3015895318 SILVER SPRING ,MD s
ENVIRONMENTAL PLANNING GROUP, LLC GS-10F-0046N 602-956-4370 PHOENIX ,AZ s
ENVIRONMENTAL PLANNING STRATEGIES, INC. GS-10F-0046R 5633326870 DAVENPORT ,IA s/w/wo/ew/d
ENVIRONMENTAL QUALITY MANAGEMENT, INC 47QRAA19D00BJ 5137427248 CINCINNATI ,OH s/d
ENVIRONMENTAL RESEARCH GROUP LLC GS-10F-142BA 4103665170 BALTIMORE ,MD s/w/wo/ew/dv/8a
ENVIRONMENTAL RESOURCE CENTER, INC.       GS-10F-0346X (919)469-1585 CARY ,NC s  
ENVIRONMENTAL SCIENCE ASSOCIATES GS-10F-0191M 415-896-5900 SAN FRANCISCO ,CA o
ENVIRONMENTAL SYNECTICS, INC GS-10F-043BA 916-737-4011 SACRAMENTO ,CA s/h
ENVIRONMENTAL TECHNICAL SOLUTIONS, LLC 47QRAA18D001Q (813)298-0303 DENVER ,CO s/w/wo/ew/d  
ENVIRONMENTAL TESTING AND CONSULTING, INC. GS-00F-222GA 800-864-3236 ROMULUS ,MI s/w/wo/ew/d
ENVIROSCIENCE, INC. GS-10F-0181U 330-688-0111 STOW ,OH s
ENVIROSYSTEMS MANAGEMENT, INC. GS-10F-0358M 928.226.0236 FLAGSTAFF ,AZ s/w/wo
EPSILON SYSTEMS SOLUTIONS, INC. GS-00F-0035N 619-702-1700 SAN DIEGO ,CA o
ERM-WEST, INC 47QRAA18D0059 907 264 4454 WALNUT CREEK ,CA o
ESP ASSOCIATES, INC. GS-10F-189BA 336-232-5213 FORT MILL ,SC o
ESPINOZA CULTURAL SERVICES, LLC 47QRAA20D0062 800-511-8685 LA JARA ,CO s/w/wo/ew/d/8a/h
ESS GROUP, INC. GS-10F-0080W 401-330-1260 RIVERSIDE ,RI s
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) 704-1486 SAN ANTONIO ,TX s/d/8a
FAR WESTERN ANTHROPOLOGICAL RESEARCH GROUP, INC. GS-10F-0183P 530-756-3941 DAVIS ,CA s
FIRST ENVIRONMENT, INC. GS-10F-0178R 9733340003 BOONTON ,NJ s/dv
FOOTHILLS ENVIRONMENTAL, INC. GS-10F-0374S 303-232-2660 LAKEWOOD ,CO s/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 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 B K PARTNERSHIP, LLC, THE GS-10F-0413M 405-285-5349 OKLAHOMA CITY ,OK s/d/h
G.E.C., INC. 47QRAA19D001J 2256124178 BATON ROUGE ,LA o
G2 ARCHAEOLOGY 47QRAA20D001G 3102783100 RENO ,NV s/w/wo/d
GANNETT FLEMING, INC. GS-00F-114CA (703) 277-9505 CAMP HILL ,PA o
GARCIA AND ASSOCIATES GS-10F-0389R (415)458-5803 SAN ANSELMO ,CA o  
GEM TECHNOLOGY INTERNATIONAL, CORP. GS-00F-0001R 305.447.1344 MIAMI ,FL s/w/wo/ew/d
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. GS-00F-057CA 7039955373 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 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
GEOSYSTEMS ANALYSIS, INC. GS-10F-0209Y 505-830-6074 TUCSON ,AZ s
GIBB EPIDEMIOLOGY CONSULTING LLC 47QRAA19D004F 703-888-6059 ARLINGTON ,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
GOLDBELT C6, LLC 47QRAA19D00CS (757)550-2121 CHESAPEAKE ,VA s/d/8a
GRAVITATE LIMITED LIABILITY COMPANY 47QRAA18D004C 3076803637 GRAND PRAIRIE ,TX s/w/wo/ew/d
GRB ENVIRONMENTAL SERVICES INC GS-10F-0284X 212-564-8640 NEW YORK ,NY s/w
GREAT LAKES ENVIRONMENTAL CENTER, INC. GS-10F-015AA 231-941-2230 TRAVERSE CITY ,MI s
GREEN AND SUSTAINABLE SERVICES, LLC 47QRAA19D0015 940-597-3723 PONDER ,TX s/w/wo/ew
GREEN REVIEWS INC 47QRAA19D0004 (201) 346-1776 LEONIA ,NJ s/w/wo/ew
GREEN STREET ENVIRONMENTAL, LLC 47QRAA18D000N 410-296-8800 BALTIMORE ,MD s
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
GS GROUP LLC GS-00F-162GA (616)916-3306 DETROIT ,MI s/w/wo/ew/d/8a/h  
GSE, INC. 47QRAA18D008P 256-350-9754 TRINITY ,AL s/w/wo/d
GSI ENVIRONMENTAL INC. 47QRAA18D009N 5123464474 HOUSTON ,TX o
GSI NORTH AMERICA INC. 47QRAA19D002Z 808-349-3178 FLEMINGTON ,NJ s/d/8a
GULF SOUTH RESEARCH CORPORATION 47QRAA19D006W (225)757-8088 BATON ROUGE ,LA s/w/wo/ew/d    
HAMER ENVIRONMENTAL L.P. GS-10F-087AA 360-899-5156 MOUNT VERNON ,WA s
HARRIS ENVIRONMENTAL GROUP, INC. GS-10F-0457R 5206287648 TUCSON ,AZ s/w/wo/ew/d/8a/h
HART CROWSER, INC. GS-10F-0308K (206)324-9530 SEATTLE ,WA o  
HARTGEN ARCHEOLOGICAL ASSOCIATES INC GS-10F-0424Y 5182830534 RENSSELAER ,NY s
HAWAII INTERNATIONAL ENVIRONMENTAL SERVICES, INC. GS-10F-0132L 808-263-4787 KAILUA ,HI s/w/wo/ew
HAWKS ALOFT INC GS-10F-0191T (505)828-9455 ALBUQUERQUE ,NM o  
HAZAIR, INC. GS-10F-114CA 702-941-1813 HENDERSON ,NV s/dv/d/8a
HAZTRAIN, INC. 47QRAA20D0056 301-932-0994 WALDORF ,MD s/w/wo
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
HEALTHY BUILDINGS INTERNATIONAL (VA), INC. 47QRAA20D0011 703-323-4400 FAIRFAX ,VA s
HEALTHY HOUSING SOLUTIONS, INC. 47QRAA18D00H1 443-539-4152 COLUMBIA ,MD s
HELIX ENVIRONMENTAL PLANNING, INC. GS-10F-0020V 619.462.1515 LA MESA ,CA o
HGS ENGINEERING, INC. GS-10F-0039P 256-236-1848 ANNISTON ,AL s/dv
HHM & ASSOCIATES, INC. GS-10F-0244Y (512)478-8014 AUSTIN ,TX s/w/wo  
HITACHI CONSULTING CORPORATION       GS-00F-0001X 804-761-5676 DALLAS ,TX o
HORSLEY WITTEN GROUP, INC. GS-10F-0304T 508-833-6600 SANDWICH ,MA s
HOWER CONSULTING GROUP, INC. GS-10F-0023V 8006835145 SAN DIEGO ,CA s/dv
HSG, LLC GS-10F-230BA 702-271-4673 LAS VEGAS ,NV s/w/wo/ew/d
HUNTER RESEARCH, INC GS-10F-018AA 609-695-0122 X 100 TRENTON ,NJ s
HYDROGEOLOGIC, INC. 47QRAA18D00CW 7034785186 RESTON ,VA s
HYDROS CONSULTING INC. GS-10F-220BA 303-284-1841 BOULDER ,CO s
HYDROSOLUTIONS INC GS-10F-0172X 4066559555X100 HELENA ,MT s/dv
HZW ENVIRONMENTAL CONSULTANTS, LLC       47QRAA19D00C6 (330)208-2717 MENTOR ,OH s/w/wo    
I.M. SYSTEMS GROUP, INC. GS-00F-311CA 240-833-1889 ROCKVILLE ,MD o
ICF INCORPORATED, L.L.C. GS-00F-010CA 703-934-3632 FAIRFAX ,VA o
INDUSTRIAL ECONOMICS, INCORPORATED 47QRAA20D0044 (617) 354-0074 CAMBRIDGE ,MA o
INDUSTRIAL ECONOMICS, INCORPORATED GS-10F-0061N 617-354-0074 CAMBRIDGE ,MA o
INDUSTRIAL HYGIENE RESOURCES, LTD GS-10F-0176R 2083238287 BOISE ,ID s
INSIGNIA ENVIRONMENTAL 47QRAA20D005U (760)635-1587 PALO ALTO ,CA s/w/wo    
INTEGRA GOVERNMENT SERVICES INTERNATIONAL LLC GS-10F-083CA 2028984110 WASHINGTON ,DC s/dv
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 W ASSOCIATES INC GS-10F-0108S 970-406-0085 BRECKENRIDGE ,CO s/w/wo/d
J&M GLOBAL SOLUTIONS LLC GS-10F-0374X 5719706690 ALEXANDRIA ,VA s/w/wo/ew
J.G. MANAGEMENT SYSTEMS, INC. GS-00F-0014Y 970-254-1354 GRAND JUNCTION ,CO s/d/8a
JACOBS ENGINEERING GROUP INC. GS-00F-0025M 571-218-1304 ARLINGTON ,VA o
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JE FULLER/HYDROLOGY AND GEOMORPHOLOGY, INC. GS-00F-079GA 480-222-5707 TEMPE ,AZ s
JENSEN HUGHES, INC. GS-00F-006CA 925-208-0943 BALTIMORE ,MD o
JOHNSON COMPANY, INC. THE GS-10F-0481P 8022294600 MONTPELIER ,VT s
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JOYCE COFFEE CONSULTING LLC 47QRAA20D004R 3128949028 CHICAGO ,IL s/w/wo
KANE ENVIRONMENTAL, INC. GS-10F-0061W 2066910476 SEATTLE ,WA s
KELLER-BLIESNER ENGINEERING, LLC       47QRAA18D004Q 435-753-5651 LOGAN ,UT s
KEMRON ENVIRONMENTAL SERVICES, INC. 47QRAA20D000E 404-601-6930 ATLANTA ,GA s
KENIFIC GROUP INC, THE 47QRAA19D00C7 571-363-4002 FAIRFAX ,VA s/d
KERES CONSULTING, INC. GS-00F-154CA 5058372104 ALBUQUERQUE ,NM s/d
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KLEINFELDER, INC. GS-10F-0029L 619-831-4634 RANCHO CORDOVA ,CA o
KMEA 47QRAA20D006G (619)342-7377 NATIONAL CITY ,CA o    
KMPOWER CONSULTING LLC GS-10F-102AA 303-710-0876 GREELEY ,CO s/w/wo
L S A ASSOCIATES, INC. 47QRAA18D009Y 949-553-0666 IRVINE ,CA o
LARSON DESIGN GROUP, INC. 47QRAA19D00CU 412-528-0525 WILLIAMSPORT ,PA o
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 INNOVATIONS CORPORATION GS-00F-242CA 301-452-5781 GAITHERSBURG ,MD o
LEIDOS, INC. GS-00F-022CA (571) 526-7305 RESTON ,VA o
LEW CORPORATION 47QRAA18D002A (908)654-8068 MINE HILL ,NJ s  
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
LINEBACH FUNKHOUSER INC 47QRAA18D0035 502-895-5009 LOUISVILLE ,KY s
LINK TECHNOLOGIES INC GS-00F-216CA 301-983-6878 GERMANTOWN ,MD s/w/wo
LJB INC GS-00F-049CA (937) 259-5146 MIAMISBURG ,OH o
LOGAN SIMPSON DESIGN INC. GS-10F-0063P 480-967-1343 TEMPE ,AZ o
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LOS ALAMOS TECHNICAL ASSOCIATES, INC. GS-10F-0017V (505)880-3495 ALBUQUERQUE ,NM s  
LOUIS BERGER U.S., INC. 47QRAA18D002R 202-303-2613 WASHINGTON ,DC o
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LPES, INC GS-10F-204BA 7573570730 SMITHFIELD ,VA s
LRS FEDERAL LLC GS-10F-0360T 4105443570 SEVERNA PARK ,MD s/dv
LYNKER TECHNOLOGIES LLC GS-00F-125CA 7034315855 BOULDER ,CO o
M B TECHNICAL SERVICES       GS-00F-028GA (562)426-3453 LONG BEACH ,CA s/d/8a  
MABBETT & ASSOCIATES, INC. GS-10F-0120T 781-275-6050 X306 STONEHAM ,MA s/dv
MANAGEMENT & ENGINEERING SVCS LLC GS-10F-0159L (303)684-0215 LONGMONT ,CO s  
MANNIK & SMITH GROUP, INC., THE 47QRAA20D006A (419)891-2222 MAUMEE ,OH s    
MANTECH SRS TECHNOLOGIES, INC. GS-10F-0054R 703-218-6440 HERNDON ,VA o
MARSH & ASSOCIATES LLC       GS-10F-0085V 4804560801 TEMPE ,AZ s
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
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MAXXIMUS ENVIRONMENTAL, INC GS-10F-0180X (301) 838-2730 ROCKVILLE ,MD s/d
MC CONSULTING, INC GS-10F-0226M 6308870922 WESTMONT ,IL s/d
MCG GEOTECHNICAL ENGINEERING I GS-10F-0142X (303)589-8486 MORRISON ,CO s/w/wo/d  
MDB, INC. 47QRAA20D0028 202-331-0060 WASHINGTON ,DC s
MDB, INC. GS-00F-0001S 202-331-0060 WASHINGTON ,DC s
MEAD AND HUNT, INC. GS-00F-230DA 888-364-7272 MIDDLETON ,WI o
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MICHAEL BAKER INTERNATIONAL, INC. GS-00F-0032M 703-483-0029 ALEXANDRIA ,VA o
MID ATLANTIC SOLID WASTE CONSULTANTS, LLC GS-00F-275GA 4072841980 ORLANDO ,FL s
MIDWEST ASSISTANCE PROGRAM, INC. GS-10F-0025T 660-562-2575 MARYVILLE ,MO o
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 SAN ANTONIO ,TX s
MUNIREM ENVIRONMENTAL, LLC GS-00F-161GA 706-316-3525 DULUTH ,GA s/d
MUSTARDSEED CULTURAL AND ENVIRONMENTAL SERVICES, LLC GS-10F-0009U 8163332424 KANSAS CITY ,MO s/w/d
NATIVE ENERGY & TECHNOLOGY, INC. GS-00F-248CA 210-231-6060 SAN ANTONIO ,TX s/d
NATIVE-X, INC GS-10F-0174U 7755600808 RENO ,NV s/v
NATURES IMAGE, INC. GS-10F-045BA 9496804400 LAKE FOREST ,CA s/w/wo
NAVARRO RESEARCH AND ENGINEERING, INC. GS-00F-0092N 8652209650 OAK RIDGE ,TN s/w/wo/d
NELSON ENGINEERING CO. GS-00F-324CA 3214491128 MERRITT ISLAND ,FL s
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NEW SOUTH ASSOCIATES, INC. GS-10F-0230N 770-498-4155 STONE MOUNTAIN ,GA s/w/wo/ew
NEXGEN TECHNOLOGIES, INC. GS-10F-0270W 720.377.1800 WESTMINSTER ,CO s/d
NICHOLS CONSULTING ENGINEERS, CHTD. 47QRAA18D008A 7753294955 RENO ,NV s
NOBLIS, INC. GS-00F-096DA (703) 610-2290 RESTON ,VA o
NODI SOLUTIONS LLC 47QRAA18D00GK 5712335916 ROCKVILLE ,MD s/w/wo
NOREAS, INC. GS-00F-373GA 949-467-9100 IRVINE ,CA s/d/8a
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NORTH WIND RESOURCE CONSULTING, LLC GS-10F-111BA 208-419-4152 IDAHO FALLS ,ID s/d/8a
NORTHLAND RESEARCH, INC GS-10F-0070W 480-894-0020 FLAGSTAFF ,AZ s
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NUTRIEN AG SOLUTIONS, INC. GS-10F-0066W (207) 944-6200 LOVELAND ,CO o
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OHIO VALLEY ARCHAEOLOGY, INC. GS-10F-172BA (614) 436-6926 COLUMBUS ,OH s/w/wo/d
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OTTERY GROUP, INC., THE GS-10F-0061X (301)562-1975 KENSINGTON ,MD 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
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PANAMERICAN CONSULTANTS, INC. GS-10F-0196P 2052488767 TUSCALOOSA ,AL s
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PARTNER ASSESSMENT CORPORATION 47QRAA18D00EE 773-840-5070 TORRANCE ,CA o
PBS ENGINEERING AND ENVIRONMENTAL INC. GS-10F-0170L 3605672105 PORTLAND ,OR o
PC TRASK AND ASSOCIATES INC. 47QRAA19D000H 503.517.2490 PORTLAND ,OR s
PCCI, INC. 47QRAA18D00HE 703-229-1110 ALEXANDRIA ,VA o
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POTOMAC-HUDSON ENGINEERING, INC. 47QRAA18D0074 3019079078 ROCKVILLE ,MD s
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PROJECT TIME & COST, LLC 47QRAA19D003A 770 200-0192 ATLANTA ,GA s
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RE/SPEC INC. GS-00F-0078N 6053946400 RAPID CITY ,SD o
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RENOVA ENVIRONMENTAL SERVICES LIMITED LIABILITY COMPANY 47QRAA20D005N 732-659-1000 OCEAN ,NJ s/d/8a/h
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RMEC ENVIRONMENTAL INC GS-10F-0147P 801-467-3661 SALT LAKE CITY ,UT s
ROBERT AND COMPANY GS-00F-210GA 4045774000 ATLANTA ,GA s/dv
ROBINSON AND NOBLE, INC. GS-10F-010CA 253.475.7711 TACOMA ,WA s
ROMEM AQUA SYSTEMS COMPANY, INC 47QRAA20D005A 7036432952 WOODBRIDGE ,VA s/dv
ROSS & ASSOCIATES ENVIRONMENTAL CONSULTING, LTD. GS-00F-0045P 2064471805 SEATTLE ,WA s
RPS GROUP, INC. GS-10F-0438R 401-789-6224 HOUSTON ,TX o
RURAL AND TRIBAL ENVIRONMENTAL SOLUTIONS GS-10F-0257R 406-861-7696 BILLINGS ,MT s/w/wo
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S C & A, INC. 47QRAA20D002W 7038936600 ARLINGTON ,VA s
S P CRAMER & ASSOCIATES INC 47QRAA19D0045 503-850-9024 PORTLAND ,OR s
S.S. PAPADOPULOS & ASSOCIATES, INC. GS-10F-0462M 3017188900 ROCKVILLE ,MD s
S2O DESIGN AND ENGINEERING 47QRAA19D006R 303-819-3985 LYONS ,CO s/d
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SERES ENGINEERING & SERVICES LLC 47QRAA18D00ES (843) 216-8531 CHARLESTON ,SC s/d/8a
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SHIPLEY GROUP, INC., THE 47QRAA19D00CF 888-270-2157 FARMINGTON ,UT s
SIGNATURE SCIENCE, LLC GS-00F-105CA (877) 474-4724 AUSTIN ,TX o
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SOL ENGINEERING SERVICE LLC GS-00F-223GA 601-961-1415 JACKSON ,MS s/d/h
SOL SOLUTIONS, LLC 47QRAA18D00AF 210-325-1163 SCOTTSDALE ,AZ s/v/d/8a
SOLUTIENT TECHNOLOGIES, LLC 47QRAA18D008Q (330) 497-5905 NORTH CANTON ,OH s/d
SOLUTION FOUNDRY, LLC, THE       GS-10F-0250U 4049153199 WOODSTOCK ,GA s
SOLV LLC 47QRAA18D00DH 7037604801 MC LEAN ,VA s
SONOMA TECHNOLOGY, INC. 47QRAA18D00D1 707-665-9900 PETALUMA ,CA s
SOURCE ENVIRONMENTAL, INC. 47QRAA20D000C 303-333-8521 DENVER ,CO s/w/wo
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SOUTHEASTERN ARCHAEOLOGICAL RESEARCH INC GS-10F-0255Y 352-333-0049 ORLANDO ,FL s/w/wo
SOUTHWEST HAZARD CONTROL, INC. GS-10F-115BA 520-622-3607 TUCSON ,AZ s/w/d
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
SPECPRO, INC. GS-00F-0026Y (210)494-4282 SAN ANTONIO ,TX s/h  
SPECTRUM SERVICES GROUP, INC. GS-10F-237AA 916-760-7913 SACRAMENTO ,CA s/d/8a/h
SRA INTERNATIONAL, INC. GS-00F-256CA 571.446.4017 CHANTILLY ,VA o
SRC, INC. 47QRAA19D005N 315-452-8594 NORTH SYRACUSE ,NY o
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STEARNS, CONRAD AND SCHMIDT CONSULTING ENGINEERS, INC. 47QRAA20D002R 5713532020 LONG BEACH ,CA o
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STETSON ENGINEERS, INC       GS-10F-0404P 415-457-0701 SAN RAFAEL ,CA s
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STRATA G, LLC GS-00F-004CA 8659343400 KNOXVILLE ,TN o
STRAUGHAN ENVIRONMENTAL, INC. GS-10F-014CA 4435392534 COLUMBIA ,MD s/w/wo/ew/d
SUNDANCE CONSULTING, INC.       47QRAA18D00AS 208-233-2929 POCATELLO ,ID s/w/wo/d
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TECHLAW, INC. 47QSWA18D008B 7038183233 CHANTILLY ,VA s
TECHNICAL RESOURCES GROUP INC GS-10F-0300W 208-528-8895 IDAHO FALLS ,ID s/w
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TERRANEAR PMC LLC GS-00F-322CA (832)265-4900 EXTON ,PA o  
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TETRA TECH EC, INC. 47QRAA18D00H0 8036414928 GOLDEN ,CO o
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TETRAHEDRON INC GS-10F-0598N (410) 837-0512 BALTIMORE ,MD s/w/d/8a
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THRIVAL COMPANY LLC, THE 47QRAA18D009X 208-991-8264 AUSTIN ,TX s/w/wo/d
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USFIN DEVELOPMENT, LLC GS-10F-0310X 419-351-8703 SOUTHERN SHORES ,NC s/dv/d/h
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VERNADERO GROUP INCORPORATED GS-10F-0033T 4803151000 PHOENIX ,AZ s/v
VERSAR, INC. 47QRAA18D00F7 703-642-6733 SPRINGFIELD ,VA o
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VISTA SCIENCES CORPORATION 47QRAA18D009E 575-526-9558 LAS CRUCES ,NM s/d
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WCP INC. GS-10F-0127U 8083803856 HONOLULU ,HI s/h
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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
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WINDJAMMER ENVIRONMENTAL LLC GS-00F-180GA 3143246042 OXON HILL ,MD s/d/8a
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WOODARD & CURRAN, INC. GS-10F-0086M 7812510200 PORTLAND ,ME o
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WOOLPERT, INC. GS-00F-0038N 937-531-1309 DAYTON ,OH o
WSP USA INC. 47QRAA19D003Q 217-649-8754 NEW YORK ,NY o
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YAHSGS LLC GS-10F-0279L 5095397147 SPOKANE ,WA s/w/wo/h
ZEPHYR ENVIRONMENTAL CORP GS-00F-008GA 512-879-6639 AUSTIN ,TX s
ZIA ENGINEERING & ENVIRONMENTAL CONSULTANTS, L.L.C. GS-10F-0391N 575-680-2337 LAS CRUCES ,NM s/d