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ENVIRONMENTAL CONSULTING SERVICES

NAICS 541620

Total Obligations

$6.48B

Total Awards

10K

States

0

Last Updated

Apr 1, 2026

Top 50 Awards in ENVIRONMENTAL CONSULTING SERVICES

Largest individual obligations in NAICS 541620.

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Top 50 Awards in ENVIRONMENTAL CONSULTING SERVICES
AwardRecipientAwarding AgencyProgramPlaceFYObligation
CONT_AWD_EPW09031_6800_-NONE-_-NONE-
SCIENTIFIC, ENGINEERING, RESPONSE & ANALYTICAL SERVICES CONTRACT (SERAS) P00299: DEOBLIGATION OF FUNDS
LOCKHEED MARTIN SERVICES, LLC
Maryland
Environmental Protection Agency
Environmental Protection Agency
GAITHERSBURG, MD-062024$140,332,723
CONT_IDV_80KSC020D0023_8000
NASA ENVIRONMENTAL AND MEDICAL CONTRACT (NEMCON). PROVIDES THE AGENCY ENVIRONMENTAL MANAGEMENT, ENVIRONMENTAL HEALTH, AND MEDICAL SERVICES TO NASA AND CAPE CANAVERAL SPACE FORCE S…
HSG, LLC
Nevada
National Aeronautics and Space Administration
National Aeronautics and Space Administration
2024$135,918,539
CONT_AWD_89233121FNA400380_8900_GS00F0004T_4730
U.S. DEPARTMENT OF ENERGY/NATIONAL NUCLEAR SECURITY ADMINISTRATION (DOE/NNSA)OFFICE OF COUNTERTERRORISM AND COUNTER-PROLIFERATION (NA-80) TECHNICAL SUPPORT SERVICES
PROJECT ENHANCEMENT CORPORATION
Maryland
Department of Energy
Department of Energy
WASHINGTON, DC-982024$105,191,404
CONT_AWD_DOCEA133W17CN0016_1330_-NONE-_-NONE-
ENVIRONMENTAL MODELING CONSULTING SUPPORT SERVICES
I. M. SYSTEMS GROUP, INC.
Maryland
Department of Commerce
National Oceanic and Atmospheric Administration
ROCKVILLE, MD-082024$102,671,335
CONT_AWD_7200AA20M00002_7200_GS00F193DA_4732
NOTICE OF TERMINATION FOR CONVENIENCE
ENVIRONMENTAL INCENTIVES, INC.
District of Columbia
Agency for International Development
Agency for International Development
WASHINGTON, DC-982024$77,953,806
CONT_AWD_68HE0520F0032_6800_68HE0519D0005_6800
DEOBLIGATE REMAINING EXCESS FUNDS IN THE AMOUNT OF $660,910.48 CLOSE TASK ORDER.
TETRA TECH, INC.
Illinois
Environmental Protection Agency
Environmental Protection Agency
CHICAGO, IL-072024$57,387,337
CONT_AWD_1305M221FNCNP0096_1330_1305M419DNCNA0018_1330
1305M419DNCNA0018/1305M221FNCNP0096, NOS/OCM TECHNICAL SUPPORT SERVICES (TSS), EXERCISE OPTION PERIOD IV, VIA OR-25-01736.
LYNKER CORPORATION
Colorado
Department of Commerce
National Oceanic and Atmospheric Administration
NORTH CHARLESTON, SC-062024$55,236,244
CONT_AWD_HSTS0117CENV004_7013_-NONE-_-NONE-
CLOSEOUT
LEIDOS, INC.
Virginia
Department of Homeland Security
Transportation Security Administration
RESTON, VA-112024$50,555,890
CONT_AWD_68HE0925F0018_6800_68HE0919D0002_6800
START MODIFICATION TO THIS ZERO DOLLAR ACTION IS A MODIFICATION TO POP EXTENDING THE CLIN FUNDS TO 07/21/2026
WESTON SOLUTIONS INC
Pennsylvania
Environmental Protection Agency
Environmental Protection Agency
BURBANK, CA-292026$50,000,000
CONT_AWD_89233119FNA400238_8900_GS00F0004T_4730
SUPPORT SERVICE CONTRACT, TRAINING & FEDERAL AGENT SUPPORT FOR OFFICE OF SECURE TRANSPORTATION - NA-15.
PROJECT ENHANCEMENT CORPORATION
Maryland
Department of Energy
Department of Energy
BARLING, AR-032024$49,749,113
CONT_AWD_47QFSA21F0090_4732_GS10F144BA_4732
DIRECTORATE OF PUBLIC WORKS OPERATIONS MAINTENANCE PLANS FINANCE AND ENVIRONMENTAL SERVICES
GRYPHON ENVIRONMENTAL, LLC
Colorado
General Services Administration
Federal Acquisition Service
SPARTA, WI-032024$44,893,435
CONT_AWD_0001_6800_EPS51702_6800
SUPERFUND TECHNICAL ASSESSMENT RESPONSE TEAM, EMERGENCY RESPONSE TASK ORDER MODIFICATION P00047 - INCREMENTAL FUNDING MOD
WESTON SOLUTIONS INC
Texas
Environmental Protection Agency
Environmental Protection Agency
ADDISON, TX-322024$36,542,995
CONT_AWD_89243321FAU400002_8900_GS00F0004T_4730
THE PURPOSE OF THIS MODIFICATION IS TO PROVIDE INCREMENTAL FUNDING.
PROJECT ENHANCEMENT CORPORATION
Maryland
Department of Energy
Department of Energy
WASHINGTON, DC-982024$35,309,574
CONT_AWD_68HERC24F0515_6800_68HERH22A0029_6800
R499- TACKLING EMERGING CONTAMINANTS (TEC) WATER TECHNICAL ASSISTANCE (WATERTA) P00005: CHANGE CO AND ADD CS
S C & A INC
Virginia
Environmental Protection Agency
Environmental Protection Agency
ARLINGTON, VA-082024$34,480,192
CONT_AWD_68HERC24F0156_6800_68HERC23D0001_6800
F999-CLOSING AMERICAS WASTEWATER ACCESS GAP COMMUNITY PROGRAM SUPPORT
EASTERN RESEARCH GROUP INC
Massachusetts
Environmental Protection Agency
Environmental Protection Agency
LEXINGTON, MA-052024$29,553,999
CONT_AWD_1001_6800_EPW16016_6800
SUPERFUND TASK ORDER - QUALITY ASSURANCE FOR TECHNICAL SUPPORT (QATS). MOD 31: DEOBLIGATE UNLIQUIDATED FUNDING.
APTIM FEDERAL SERVICES, LLC
Virginia
Environmental Protection Agency
Environmental Protection Agency
LAS VEGAS, NV-032026$26,250,425
CONT_AWD_EPD11084_6800_-NONE-_-NONE-
SUPPORT FOR THE METALS, MINERALS AND ENERGY SECTOR
RESEARCH TRIANGLE INSTITUTE
North Carolina
Environmental Protection Agency
Environmental Protection Agency
DURHAM, NC-042024$25,394,536
CONT_AWD_68HERC24F0272_6800_68HERC23D0011_6800
WATERTA ENGINEERING SUPPORT SERVICES FOR OGWDW TASK ORDER UNDER CADMUS CONTRACT 68HERC23D0011
THE CADMUS GROUP LLC
Massachusetts
Environmental Protection Agency
Environmental Protection Agency
WALTHAM, MA-052024$25,131,846
CONT_AWD_89243322FAU400003_8900_GS00F0004T_4730
THE PURPOSE OF THIS MODIFICATION IS TO ADD FUNDING TO CLIN 00008 (OPTION YEAR 3) AND CLIN 00009 (OPTION YEAR 3).
PROJECT ENHANCEMENT CORPORATION
Maryland
Department of Energy
Department of Energy
WASHINGTON, DC-982024$24,873,981
CONT_AWD_68HERH20F0134_6800_68HERH19D0031_6800
R499: GREENHOUSE GAS DATA SYSTEMS AND HELP DESK SUPPORT P00050: DE-OBLIGATE FUNDING IN THE AMOUNT OF $35,420.48.
SCIENCE APPLICATIONS INTERNATIONAL CORPORATION
Virginia
Environmental Protection Agency
Environmental Protection Agency
WASHINGTON, DC-982024$24,474,759
CONT_AWD_7200AA18M00013_7200_GS00F193DA_4732
DE-OBLIGATING DUE TO CANCELLING FUNDS.
ENVIRONMENTAL INCENTIVES, INC.
District of Columbia
Agency for International Development
Agency for International Development
WASHINGTON, DC-982024$24,402,514
CONT_AWD_1305M318FNCNR0036_1330_GS00F0002W_4730
DEOBLIGATE UNINVOICED FUNDS IN THE AMOUNT OF $490,920.90 FROM TASK ORDER 1305M318FNCNR0036 FOR BUSINESS & SCIENTIFIC SUPPORT SERVICES
GENWEST SYSTEMS INC
Washington
Department of Commerce
National Oceanic and Atmospheric Administration
EDMONDS, WA-022024$23,476,932
CONT_AWD_68HERH23F0391_6800_68HE0623D0001_6800
START V TASK ORDER TITLE: REGION 6 START V COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT (CERCLA) TASK ORDER MODIFICATION P00020 IS TO DE-OBLIGATE FUNDS.
WESTON SOLUTIONS INC
Pennsylvania
Environmental Protection Agency
Environmental Protection Agency
WEST CHESTER, PA-062024$23,471,986
CONT_AWD_68HERC24F0021_6800_68HERC23D0008_6800
SUPPORT FOR LEAD SERVICE LINE INVENTORIES & REPLACEMENT UNDER THE LEAD PIPE COMMUNITY ASSISTANCE CENTER
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.
Virginia
Environmental Protection Agency
Environmental Protection Agency
FALLS CHURCH, VA-082024$23,251,075
CONT_AWD_W9123822C0011_9700_-NONE-_-NONE-
OPTION YEAR THREE (3) HILL AFB, BASE INTEGRATED ENVIRONMENTAL SUPPORT TASKS (BIEST)
JACOBS ENGINEERING GROUP INC.
Virginia
Department of Defense
Department of the Army
LAYTON, UT-012024$22,758,173
CONT_IDV_72051423D00001_7200
THE PURPOSE OF THE ACTIVITY IS TO BUILD SUSTAINABLE BUSINESS MODELS FOR COLOMBIA'S NATURE TOURISM SECTOR THAT SUPPORT COMMUNITY DEVELOPMENT, CONSERVE THE COUNTRY'S RICH BIODIVE…
DAI GLOBAL LLC
Maryland
Agency for International Development
Agency for International Development
2024$21,793,308
CONT_AWD_W912BV21F0083_9700_W912BV18D0006_9700
P00006 - EXERCISE OPTION YEAR 4
SOL SOLUTIONS, LLC
Arizona
Department of Defense
Department of the Army
FORT DIX, NJ-032024$21,406,881
CONT_AWD_68HE0120F0027_6800_68HE0120D0001_6800
IN ACCORDANCE WITH CONTRACT 68HE0120D0001, B.3 CORE READINESS TEAM (CRT) FIXED PRICED TASK ORDER, DELIVERY ORDER # 68HE0120F0027. DE-OBLIGATION AND OBLIGATION MOD F999 OTHER ENVI…
WESTON SOLUTIONS INC
Pennsylvania
Environmental Protection Agency
Environmental Protection Agency
BOSTON, MA-082024$21,137,261
CONT_AWD_NNJ13JA01C_8000_-NONE-_-NONE-
JSC ENVIRONMENTAL SERVICES (JES) CONTRACT
STRAUGHAN ENVIRONMENTAL, INC.
Maryland
National Aeronautics and Space Administration
National Aeronautics and Space Administration
HOUSTON, TX-362024$19,830,172
CONT_AWD_7200AA23C00089_7200_-NONE-_-NONE-
THE PURPOSES OF MODIFICATION NO. P00007 ARE TO 1. EXERCISE OPTION YEAR FROM OCTOBER 1 2025 TO AUGUST 20 2028 2. CHANGE THE CONTRACTING OFFICER FROM STELLA ALEXANDER SERGEEF TO LOR…
THE CADMUS GROUP LLC
Massachusetts
Agency for International Development
Agency for International Development
WALTHAM, MA-052024$19,465,496
CONT_AWD_70B01C26F00000059_7014_GS10F0033T_4730
CONSTRUCTION MONITORING SERVICES FOR TCA-2 BORDER BARRIER CONSTRUCTION.
VERNADERO GROUP INC
Arizona
Department of Homeland Security
U.S. Customs and Border Protection
TUCSON, AZ-072026$19,079,506
CONT_AWD_7200AA19M00008_7200_GS00F193DA_4732
TO STRENGTHEN THE DESIGN, MANAGEMENT, AND EVALUATION OF REGIONAL AND BILATERAL ENVIRONMENT, RESILIENCE, AND ENERGY PROGRAMS IN THE LAC REGION.
ENVIRONMENTAL INCENTIVES, INC.
California
Agency for International Development
Agency for International Development
WASHINGTON, DC-982024$18,982,207
CONT_AWD_68HE0320F0049_6800_68HE0320D0003_6800
MODIFICATION P00050 FUNDING FOR FIELD SAMPLING, LABORATORY TESTING AND/OR FIELD STAFF PERFORMING REMEDIATION WORK IN SUPPORT OF DISASTER OPERATIONS AT THE POTOMAC INTERCEPTOR SEWE…
TETRA TECH, INC.
Illinois
Environmental Protection Agency
Environmental Protection Agency
PHILADELPHIA, PA-032024$18,225,871
CONT_AWD_89243421FEE000207_8900_89243419AEE000001_8900
SOLAR ENERGY TECHNOLOGIES OFFICE MISSION ORIENTED TECHNICAL SUPPORT SERVICES. P00011 INCREASES THE CEILING AND INCREMENTALLY FUNDS THIS ORDER.
BOSTON GOVERNMENT SERVICES, LLC
Tennessee
Department of Energy
Department of Energy
WASHINGTON, DC-982024$17,922,388
CONT_AWD_12RADA23F0006_12E3_12SAD223A0005_12E3
ENVIRONMENTAL REVIEW SUPPORT SERVICES FOR USDA RURAL UTILITIES SERVICE IN CONNECTION WITH THE INFLATION REDUCTION ACT. MODIFICATION P00001 INCORPORATES MULTIPLE SMALL CHANGES TO T…
SOLV LLC
Virginia
Department of Agriculture
Rural Housing Service
WASHINGTON, DC-982024$17,858,239
CONT_AWD_80GSFC21CA008_8000_-NONE-_-NONE-
THIS CONTRACT PROVIDES ASSISTANCE IN MEETING THE OBJECTIVES OF THE GSFC ENVIRONMENTAL MANAGEMENT PROGRAM.
BLUESTONE ENVIRONMENTAL GROUP, INC.
Pennsylvania
National Aeronautics and Space Administration
National Aeronautics and Space Administration
GREENBELT, MD-042024$17,577,852
CONT_AWD_68HE0322F0065_6800_68HE0321D0001_6800
F115: RESPONSE ENGINEERING & ANALYTICAL CONTRACT - CORE RESPONSE TEAM SUPPORT. MOD P00010: AUTHORIZATION TO PURCHASE GFP.
WESTON-TECHLAW JV LLC
Virginia
Environmental Protection Agency
Environmental Protection Agency
EDISON, NJ-062024$17,378,416
CONT_AWD_W912DW20C0004_9700_-NONE-_-NONE-
DESCOPING CLINS 3020 AND 4020.
SOL SOLUTIONS, LLC
Arizona
Department of Defense
Department of the Army
SEATTLE, WA-072024$16,350,824
CONT_AWD_72036723C00001_7200_-NONE-_-NONE-
NOTICE OF TERMINATION FOR CONVENIENCE
DAI GLOBAL LLC
Maryland
Agency for International Development
Agency for International Development
2024$15,334,602
CONT_AWD_72051423C00001_7200_-NONE-_-NONE-
THE GOAL PURSUED IN THE USAID TIERRA DORADA ACTIVITY IS TO REDUCE GREENHOUSE GAS EMISSIONS, PROMOTE BIODIVERSITY CONSERVATION AND SUPPORT LICIT LIVELIHOODS THROUGH THE DEVELOPM…
CHEMONICS INTERNATIONAL, INC.
District of Columbia
Agency for International Development
Agency for International Development
2024$15,122,520
CONT_AWD_W56ZTN21F0068_9700_W56ZTN17D0009_9700
THIS CONTRACT WILL PROVIDE ENVIRONMENTAL REMEDIATION SERVICES AT VARIOUS SITES AT ABERDEEN PROVING GROUND, MARYLAND.
RENOVA-SOVEREIGN JOINT VENTURE
New Jersey
Department of Defense
Department of the Army
ABERDEEN, MD-012024$15,018,858
CONT_AWD_AID674C1500005_7200_-NONE-_-NONE-
DE-OBLIGATING DUE TO CANCELLING FUNDS.
CHEMONICS INTERNATIONAL, INC.
District of Columbia
Agency for International Development
Agency for International Development
2025$14,778,355
CONT_AWD_EPC17024_6800_-NONE-_-NONE-
SCIENTIFIC AND TECHNICAL SUPPORT FOR THE ENGINEERING AND ANALYSIS DIVISION P00119 THE PURPOSE OF THIS MODIFICATION IS TO DE-OBLIGATE FUNDING IN THE AMOUNT OF $27,355.08 (POP 08/15…
GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC.
Virginia
Environmental Protection Agency
Environmental Protection Agency
CHANTILLY, VA-112024$14,554,712
CONT_AWD_68HE0919F0017_6800_EPS91703_6800
THE PURPOSE OF THIS UNILATERAL MOD IS TO DE-OBLIGATE UNLIQUIDATED FUNDS. THIS IS MODIFICATION #P00022 TO TASK ORDER #16(68HE0919F0017) UNDER THE RAES CONTRACT #EPS91703.
TETRA TECH, INC.
California
Environmental Protection Agency
Environmental Protection Agency
SAN FRANCISCO, CA-112024$14,550,934
CONT_AWD_140R3023F0037_1425_140L0618A0014_1422
EIS - POST-2026 LOWER COLORADO RIVER RESERVOIR OPERATIONAL STRATEGIES FOR LAKE POWELL AND LAKE MEAD - ADD WORK
ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC
Colorado
Department of the Interior
Bureau of Reclamation
BOULDER, CO-022024$14,356,181
CONT_AWD_47QFNA18F0056_4732_GS00F105CA_4732
MIGRATED ID01180001 JPEOCBD QA LAB SUPPORT
SIGNATURE SCIENCE LLC
Texas
General Services Administration
Federal Acquisition Service
GUNPOWDER, MD-012024$14,295,442
CONT_AWD_68HE0923F0051_6800_68HE0923D0002_6800
THE PURPOSE OF THIS BILATERAL MOD IS FOR A NO-COST TIME EXTENSION FOR N. AGENCY EE/CA - TO #0007 (DO #68HE0923F0051) ON RAES2 CONTRACT #68HE0923D0002. THIS EXTENDS THE PERIOD OF P…
TETRA TECH, INC.
California
Environmental Protection Agency
Environmental Protection Agency
ROUND ROCK, AZ-022024$14,279,978
CONT_AWD_EPW09024_6800_-NONE-_-NONE-
STATISTICAL AND TECHNICAL SUPPORT FOR THE ASSESSMENT OF TOXIC SUBSTANCES. P00090: THE PURPOSE OF THIS MODIFICATION IS TO DEOBLIGATE $365.46. IN ADDITION, DOCUMENT A FUNDS SWEEP FO…
BATTELLE MEMORIAL INSTITUTE
Ohio
Environmental Protection Agency
Environmental Protection Agency
COLUMBUS, OH-032024$14,266,282
CONT_AWD_0001_6800_EPW14001_6800
THE PURPOSE OF THIS MODIFICATION IS TO CORRECT MODIFICATION P00048.
ICF INCORPORATED, L.L.C.
Virginia
Environmental Protection Agency
Environmental Protection Agency
FAIRFAX, VA-112024$13,785,923
CONT_AWD_7200AA23M00012_7200_GS00F193DA_4732
THE PURPOSE OF MODIFICATION P004 IS TO PROVIDE INCREMENTAL FUNDING IN THE AMOUNT OF $2,196,455.00 THEREBY, INCREASING THE TOTAL OBLIGATION AMOUNT FROM $11,457,451.16 TO $13,653,90…
ENVIRONMENTAL INCENTIVES, INC.
District of Columbia
Agency for International Development
Agency for International Development
WASHINGTON, DC-982024$13,653,906

Top 50 awards shown, ranked by obligated amount. Dates reflect performance period; last-modified dates match USAspending.gov. Complete listings include all transaction history going back to FY2024.