Data / Federal awards / NAICS 541620
NAICS 541620 Environmental Consulting Services: $3.8 billion in federal contracts to 1,637 recipients (FY2024 to FY2027)
Federal agencies obligated $3.8 billion under NAICS 541620, Environmental Consulting Services, across 12,072 contract awards to 1,637 named recipients in fiscal years 2024 to 2027. The largest recipients are EASTERN RESEARCH GROUP INC ($217.7 million), HSG, LLC ($144.9 million), PROJECT ENHANCEMENT CORPORATION ($143.6 million). Environmental Protection Agency is the largest buyer with $1.1 billion. 13 opportunities under this code are open on SAM.gov now.
SpecStream is the live web data engine for teams and agents. It reads every federal contract award on USAspending.gov and every open opportunity on SAM.gov, and this page is that reading. Ask for the awards in your niche and the winners, agencies, values and recompetes arrive in your sheet, CRM, Slack or agent as they are reported.
- NAICS code
- 541620 Environmental Consulting Services
- Contract awards
- 12,072
- Obligated
- $3.8 billion
- Named recipients
- 1,637
- Buying agencies
- 35
- Small business share of obligations
- 59%
- Full and open competition share
- 82%
- Set aside share
- 20%
- Latest action
- 2026-10-04
Open opportunities in this niche
The same code on SAM.gov, read each morning: 13 opportunities you can still respond to.
Incumbents: the largest recipients
Ranked by dollars obligated in fiscal years 2024 to 2027.
| Recipient | Business size | Awards | Obligated | Share |
|---|---|---|---|---|
| EASTERN RESEARCH GROUP INC | Other Than Small Business | 482 | $217.7 million | 5.8% |
| HSG, LLC | Other Than Small Business | 115 | $144.9 million | 3.8% |
| PROJECT ENHANCEMENT CORPORATION | Small Business | 24 | $143.6 million | 3.8% |
| THE CADMUS GROUP LLC | Other Than Small Business | 186 | $128.9 million | 3.4% |
| WESTON SOLUTIONS INC | Other Than Small Business | 237 | $124.9 million | 3.3% |
| LYNKER CORPORATION | Small Business | 28 | $112.3 million | 3.0% |
| S C & A INC | Small Business | 95 | $107.6 million | 2.8% |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | Other Than Small Business | 90 | $96.2 million | 2.5% |
| VERNADERO GROUP INC | Small Business | 49 | $81 million | 2.1% |
| TETRA TECH, INC. | Other Than Small Business | 115 | $64.2 million | 1.7% |
| GULF SOUTH RESEARCH CORP | Small Business | 51 | $63.6 million | 1.7% |
| TETRA TECH, INC. | Other Than Small Business | 51 | $53.7 million | 1.4% |
| TETRA TECH, INC. | Other Than Small Business | 69 | $50.4 million | 1.3% |
| TETRA TECH, INC. | Other Than Small Business | 40 | $43.5 million | 1.1% |
| GRYPHON ENVIRONMENTAL, LLC | Small Business | 8 | $40.4 million | 1.1% |
| WSP USA SOLUTIONS INC | Other Than Small Business | 109 | $37.6 million | 1.0% |
| CONSOLIDATED SAFETY SERVICES INCORPORATED | Other Than Small Business | 54 | $36.9 million | 1.0% |
| CDM FEDERAL PROGRAMS CORPORATION | Other Than Small Business | 47 | $36.5 million | 1.0% |
| WESTON-TECHLAW JV LLC | Small Business | 94 | $33.5 million | 0.9% |
| THE SOLUTION FOUNDRY, LLC | Small Business | 12 | $32.8 million | 0.9% |
| ICF INCORPORATED, L.L.C. | Other Than Small Business | 150 | $32.6 million | 0.9% |
| INDEPENDENT STRATEGIC MANAGEMENT SOLUTIONS INC | Small Business | 36 | $31.9 million | 0.8% |
| ECO & ASSOCIATES, INC. | Small Business | 23 | $30.9 million | 0.8% |
| RPI-CSS, LLC | Small Business | 12 | $30 million | 0.8% |
| BLUESTONE ENVIRONMENTAL GROUP, INC. | Small Business | 64 | $29 million | 0.8% |
| WSP USA ENVIRONMENT & INFRASTRUCTURE INC. | Other Than Small Business | 92 | $28.5 million | 0.8% |
| GREAT LAKES ENVIRONMENTAL CENTER, INC | Small Business | 80 | $25.8 million | 0.7% |
| ENVIRONMENTAL COMPLIANCE CONSULTANTS, INC. | Small Business | 23 | $24.5 million | 0.6% |
| MARSTEL-DAY, LLC | Small Business | 76 | $24 million | 0.6% |
| ENVIRONMENTAL INCENTIVES, INC. | Other Than Small Business | 7 | $23.5 million | 0.6% |
| JACOBS GEOSYNTEC A JOINT VENTURE | Other Than Small Business | 10 | $23.3 million | 0.6% |
| TIERRA RIGHT OF WAY SERVICES LTD | Other Than Small Business | 13 | $23.2 million | 0.6% |
| ENVIRONMENTAL MANAGEMENT SUPPORT, INC | Small Business | 64 | $23.2 million | 0.6% |
| CHENEGA RELIABLE SERVICES LLC | Small Business | 7 | $22.4 million | 0.6% |
| MABBETT & ASSOCIATES, INC. | Small Business | 226 | $22.1 million | 0.6% |
| TETRA TECH, INC. | Other Than Small Business | 64 | $21.8 million | 0.6% |
| SRC INC | Other Than Small Business | 42 | $21.1 million | 0.6% |
| SOL SOLUTIONS, LLC | Small Business | 27 | $20.8 million | 0.5% |
| ENVIRONMENTAL ASSESSMENT SERVICES, LLC | Small Business | 43 | $20.8 million | 0.5% |
| TETRA TECH, INC. | Other Than Small Business | 246 | $20.7 million | 0.5% |
| TOEROEK ASSOCIATES, INC. | Small Business | 207 | $20.5 million | 0.5% |
| SKEO SOLUTIONS, INC | Small Business | 42 | $20.1 million | 0.5% |
| ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC | Small Business | 117 | $20.1 million | 0.5% |
| TETRA TECH INC | Other Than Small Business | 28 | $18.8 million | 0.5% |
| RESEARCH TRIANGLE INSTITUTE | Other Than Small Business | 31 | $18.5 million | 0.5% |
| RESEARCH PLANNING, INC. | Small Business | 37 | $18.4 million | 0.5% |
| ALPHA FACILITIES SOLUTIONS, LLC | Small Business | 10 | $17.7 million | 0.5% |
| JACOBS ENGINEERING GROUP INC. | Other Than Small Business | 2 | $16.6 million | 0.4% |
| SIGNATURE SCIENCE LLC | Other Than Small Business | 6 | $15.9 million | 0.4% |
| OCEAN ASSOCIATES INC | Small Business | 17 | $15.8 million | 0.4% |
Agencies buying under this code
| Agency | Awards | Obligated | Largest recipient |
|---|---|---|---|
| Environmental Protection Agency | 2,841 | $1.13 billion | EASTERN RESEARCH GROUP INC |
| Department of Defense | 2,205 | $724.8 million | THE SOLUTION FOUNDRY, LLC |
| Department of Homeland Security | 368 | $350.6 million | VERNADERO GROUP INC |
| Department of Commerce | 345 | $306.7 million | LYNKER CORPORATION |
| Department of the Interior | 2,345 | $304.1 million | ENVIRONMENTAL MANAGEMENT & PLANNING SOLUTIONS LLC |
| National Aeronautics and Space Administration | 170 | $258.5 million | HSG, LLC |
| Department of Energy | 274 | $229.5 million | PROJECT ENHANCEMENT CORPORATION |
| General Services Administration | 767 | $109.5 million | GRYPHON ENVIRONMENTAL, LLC |
| Department of Agriculture | 877 | $82.2 million | THE SANBORN MAP COMPANY, INC. |
| Department of Transportation | 268 | $73.8 million | WSP USA SOLUTIONS INC |
| Agency for International Development | 22 | $70.2 million | ENVIRONMENTAL INCENTIVES, INC. |
| Department of Veterans Affairs | 767 | $58.1 million | EARTH SMART ENVIRONMENTAL SOLUTIONS LLC |
| Department of Health and Human Services | 279 | $52.3 million | PROPERTY & ENVIRONMENTAL MANAGEMENT INC |
| Department of Justice | 207 | $19.7 million | MELWOOD HORTICULTURAL TRAINING CENTER, INC. |
| Department of the Treasury | 109 | $10.9 million | CLEAN HARBORS ENVIRONMENTAL SERVICES INC |
| Department of Labor | 31 | $6.2 million | EASTERN RESEARCH GROUP INC |
| Department of State | 67 | $1.8 million | EGC-AGEISS LLC |
| U.S. International Development Finance Corporation | 18 | $1.2 million | RHEA ENGINEERS & CONSULTANTS, INC |
| Nuclear Regulatory Commission | 8 | $702,284 | S C & A INC |
| Morris K. Udall and Stewart L. Udall Foundation | 2 | $533,979 | EDWARDS-PITMAN ENVIRONMENTAL INC |
| Smithsonian Institution | 10 | $266,778 | FRONTIERS MEDIA SA |
| Executive Office of the President | 1 | $224,987 | AECOM SERVICES, LLC |
| Export-Import Bank of the United States | 10 | $192,102 | RAMBOLL AMERICAS ENGINEERING SOLUTIONS, INC. |
| National Gallery of Art | 10 | $175,237 | AEROSOL MONITORING & ANALYSIS, INC. |
| National Archives and Records Administration | 4 | $141,052 | ROCHESTER INSTITUTE OF TECHNOLOGY |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $1.48 billion |
| FY2025 | $1.19 billion |
| FY2026 | $1.12 billion |
| FY2027 | $2.6 million |
Products and services bought
| Code | Product or service | Awards | Obligated |
|---|---|---|---|
| F999 | Other Environmental Services | 2,795 | $822.5 million |
| R499 | Support- Professional: Other | 1,292 | $689.7 million |
| B510 | Special Studies/analysis- Environmental Assessments | 1,013 | $346 million |
| R408 | Support- Professional: Program Management/support | 301 | $252.5 million |
| F115 | Environmental Systems Protection- Environmental Consulting and Legal Support | 442 | $183.8 million |
| R429 | Support- Professional: Emergency Response/disaster Planning/preparedness Support | 619 | $183 million |
| R425 | Support- Professional: Engineering/technical | 646 | $182 million |
| R699 | Support- Administrative: Other | 115 | $168.4 million |
| C219 | Architect and Engineering- General: Other | 235 | $118.5 million |
| F108 | Environmental Systems Protection- Environmental Remediation | 308 | $115.7 million |
Largest contract awards
| Award ID | Recipient | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 80KSC020D0023 | HSG, LLC | National Aeronautics and Space Administration | IDC | 541620 | NASA AGENCY AND CAPE CANAVERAL AIR FORCE STATION ENVIRONMENTAL AND MEDICAL CONTRACT (NEMCON). ACTIVE PERIOD OF PERFORMANCE: 10/01/2020 - 09/ | $122,123,263 | $345,652,817 | October 1, 2020 | usaspending.gov | ||
| 89233121FNA400380 | PROJECT ENHANCEMENT CORPORATION | Department of Energy | Delivery Order | 541620 | U.S. DEPARTMENT OF ENERGY/NATIONAL NUCLEAR SECURITY ADMINISTRATION (DOE/NNSA)OFFICE OF COUNTERTERRORISM AND COUNTER-PROLIFERATION (NA-80) TE | $71,215,668 | $130,466,028 | July 1, 2021 | December 31, 2026 | Washington, DC | usaspending.gov |
| 1305M224F0196 | LYNKER CORPORATION | Department of Commerce | Delivery Order | 541620 | FUNDING PROVIDED FOR THE NEW TECHNICAL SERVICES CONTRACT IN SUPPORT OF THE NATIONAL DATA BUOY CENTER. THIS CONTRACT WILL PROVIDE TECHNICAL A | $58,892,887 | $70,932,877 | July 1, 2024 | June 30, 2027 | Stennis Space Center, MS | usaspending.gov |
| 68HERC24F0515 | S C & A INC | Environmental Protection Agency | BPA Call | 541620 | "TACKLING EMERGING CONTAMINANTS (TEC) WATER TECHNICAL ASSISTANCE (WATERTA)" | $52,847,941 | $53,646,590 | September 19, 2024 | September 18, 2027 | Arlington, VA | usaspending.gov |
| 68HERC26F0013 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | Environmental Protection Agency | Delivery Order | 541620 | R499 SUPPORT FOR LEAD SERVICE LINE INVENTORIES AND REPLACEMENT - GET THE LEAD OUT (GLO) INITIATIVE | $34,082,785 | $34,203,194 | November 4, 2025 | November 4, 2027 | Falls Church, VA | usaspending.gov |
| 68HERC24F0156 | EASTERN RESEARCH GROUP INC | Environmental Protection Agency | Delivery Order | 541620 | CLOSING AMERICAS WASTEWATER ACCESS GAP COMMUNITY PROGRAM SUPPORT | $31,579,376 | $51,036,568 | March 4, 2024 | February 15, 2027 | Lexington, MA | usaspending.gov |
| 68HERC24F0021 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | Environmental Protection Agency | Delivery Order | 541620 | SUPPORT FOR LEAD SERVICE LINE INVENTORIES & REPLACEMENT UNDER THE LEAD PIPE COMMUNITY ASSISTANCE CENTER | $29,312,408 | $45,417,953 | October 5, 2023 | November 4, 2025 | Falls Church, VA | usaspending.gov |
| 68HERH23F0391 | WESTON SOLUTIONS INC | Environmental Protection Agency | Delivery Order | 541620 | START V TASK ORDER TITLE: REGION 6 START V COMPREHENSIVE ENVIRONMENTAL RESPONSE, COMPENSATION, AND LIABILITY ACT (CERCLA) TASK ORDER THE PUR | $28,479,062 | $30,445,298 | September 22, 2023 | August 7, 2028 | West Chester, PA | usaspending.gov |
| 1305M221FNCNP0096 | LYNKER CORPORATION | Department of Commerce | Delivery Order | 541620 | TECHNICAL SUPPORT SERVICES INCLUDING BUT NOT LIMITED TO: MGMT AND ADMINISTRATION FINANCE TRAINING AND TECHNICAL ASSISTANCE COMMUNICATION AND | $27,634,953 | $57,353,014 | October 1, 2021 | January 31, 2027 | North Charleston, SC | usaspending.gov |
| 68HERC24F0211 | EASTERN RESEARCH GROUP INC | Environmental Protection Agency | BPA Call | 541620 | SUPPORT FOR 2023 WATERTA ENGINEERING SUPPORT SERVICES FOR OWM | $24,244,076 | $42,017,423 | February 28, 2024 | August 27, 2027 | Lexington, MA | usaspending.gov |
| 89243321FAU400002 | PROJECT ENHANCEMENT CORPORATION | Department of Energy | Delivery Order | 541620 | U.S. DEPARTMENT OF ENERGYS (DOE) OFFICE OF THE ASSOCIATE UNDER (AU) SECRETARY FOR ENVIRONMENT, HEALTH AND SAFETY TECHNICAL SUPPORT SERVICES | $22,996,724 | $52,074,302 | August 25, 2021 | April 30, 2027 | Washington, DC | usaspending.gov |
| 47QFSA21F0090 | GRYPHON ENVIRONMENTAL, LLC | General Services Administration | Delivery Order | 541620 | DIRECTORATE OF PUBLIC WORKS OPERATIONS MAINTENANCE PLANS FINANCE AND ENVIRONMENTAL SERVICES | $22,683,352 | $55,814,035 | August 1, 2021 | May 31, 2026 | Sparta, WI | usaspending.gov |
| 89233119FNA400238 | PROJECT ENHANCEMENT CORPORATION | Department of Energy | Delivery Order | 541620 | NEW SUPPORT SERVICE CONTRACT, TRAINING&FEDERAL AGENT SUPPORT FOR OFFICE OF SECURE TRANSPORTATION - NA-15. | $22,428,787 | $53,668,637 | February 17, 2020 | August 16, 2026 | Barling, AR | usaspending.gov |
| 89243322FAU400003 | PROJECT ENHANCEMENT CORPORATION | Department of Energy | Delivery Order | 541620 | U.S. DEPARTMENT OF ENERGY (DOE) OFFICE OF THE ASSOCIATE UNDER (AU) SECRETARY FOR SECURITY SUPPORT SERVICES. CONTRACTOR TO DEVELOP AND IMPLEM | $20,962,882 | $35,484,815 | March 1, 2022 | March 31, 2027 | Washington, DC | usaspending.gov |
| 70B01C26F00000059 | VERNADERO GROUP INC | Department of Homeland Security | Delivery Order | 541620 | CONSTRUCTION MONITORING SERVICES FOR TCA-2 BORDER BARRIER CONSTRUCTION. | $19,107,285 | $19,107,285 | February 12, 2026 | February 11, 2028 | Tucson, AZ | usaspending.gov |
| 70FB8024F00000023 | THE CADMUS GROUP LLC | Department of Homeland Security | BPA Call | 541620 | THE PURPOSE OF THIS CALL ORDER IS TO OBTAIN HERMITS PEAK CALF CANYON CLAIMS OFFICE, PROGRAM MANAGEMENT SUPPORT SERVICES UNDER THE OFFICE OF | $18,190,853 | $18,190,853 | April 22, 2024 | September 5, 2025 | Santa Fe, NM | usaspending.gov |
| W9123822C0011 | JACOBS ENGINEERING GROUP INC. | Department of Defense | Definitive Contract | 541620 | RECORDKEEPING AND REPORTING | $16,612,600 | $28,224,156 | April 1, 2022 | March 31, 2027 | Layton, UT | usaspending.gov |
| 68HE0923F0051 | TETRA TECH, INC. | Environmental Protection Agency | Delivery Order | 541620 | THE CONTRACTOR SHALL PERFORM REQUIRED TO CONDUCT THE ENGINEERING EVALUATION/COST ANALYSIS (EE/CA) AND RELATED TASKS AT THE FOLLOWING TRONOX | $15,397,370 | $20,268,423 | July 20, 2023 | November 30, 2027 | Round Rock, AZ | usaspending.gov |
| 70RSAT24C00000001 | MERRICK & COMPANY | Department of Homeland Security | Definitive Contract | 541620 | CONTRACT AWARD FOR THE PLUM ISLAND ANIMAL DISEASE CENTER (PIADC) PLUM ISLAND CLOSURE AND SUPPORT (PICS) PROGRAM SCIENTIFIC, TECHNICAL AND EN | $14,924,331 | $14,924,331 | January 8, 2024 | January 7, 2027 | Orient, NY | usaspending.gov |
| 68HE0520F0032 | TETRA TECH, INC. | Environmental Protection Agency | Delivery Order | 541620 | SUPERFUND TECHNICAL ASSESSMENT&RESPONSE TEAM (START), REGION 5, TASK ORDER FOR BULK REMOVAL ACTIVITIES | $14,865,542 | $57,387,337 | January 24, 2020 | April 7, 2025 | Chicago, IL | usaspending.gov |
| 68HE0225F0004 | WESTON SOLUTIONS INC | Environmental Protection Agency | Delivery Order | 541620 | START VI TASK ORDER: CORE RESPONSE TEAM FOR 5 YEARS IN ACCORDANCE WITH STATEMENT OF WORK FOR THE PERIOD JANUARY 1, 2025 THROUGH DECEMBER 31, | $14,648,235 | $37,472,802 | January 1, 2025 | December 31, 2029 | West Chester, PA | usaspending.gov |
| 72051423D00001 | DAI GLOBAL LLC | Agency for International Development | IDC | 541620 | THE PURPOSE OF THE ACTIVITY IS TO BUILD SUSTAINABLE BUSINESS MODELS FOR COLOMBIA'S NATURE TOURISM SECTOR THAT SUPPORT COMMUNITY DEVELOPMENT, | $14,080,000 | $39,389,806 | November 15, 2022 | usaspending.gov | ||
| 68HE0925F0018 | WESTON SOLUTIONS INC | Environmental Protection Agency | Delivery Order | 541620 | 2025 CALIFORNIA WILDFIRES AND STRAIGHT-LINE WINDS EVENT. TO 110 TO SUPPORT THE 2025 SOCAL WILDFIRES. | $13,879,728 | $13,879,728 | January 10, 2025 | December 31, 2026 | Burbank, CA | usaspending.gov |
| 68HERC24F0272 | THE CADMUS GROUP LLC | Environmental Protection Agency | Delivery Order | 541620 | WATERTA ENGINEERING SUPPORT SERVICES FOR OGWDW TASK ORDER UNDER CADMUS CONTRACT 68HERC23D0011 | $13,581,846 | $26,961,380 | June 24, 2024 | June 23, 2026 | Waltham, MA | usaspending.gov |
| 140R2025P0072 | DR REED & ASSOCIATES, INC | Department of the Interior | Purchase Order | 541620 | CONTINUOUS FLOW AND WATER QUALITY MONITORING NETWORK IN THE SACRAMENTO-SAN JOAQUIN DELTA AND SUISUN BAY | $13,509,855 | $13,509,855 | September 23, 2025 | April 30, 2027 | Sacramento, CA | usaspending.gov |
Updated October 6, 2026. Read from USAspending.gov. Public U.S. federal spending data (U.S. Department of the Treasury). Obligations are the contract actions dated in fiscal years 2024 to 2027 of the USAspending.gov award archive of 2026-10-06; a contract's total value is its current value as USAspending reports it, including earlier years. Recipients are matched on their SAM.gov UEI, never on the name, and are shown as the government prints them. Sole proprietorships and opted-out entities count in the totals and are not named. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.