Data / Federal awards / NAICS 541620 / Environmental Protection Agency
Environmental Protection Agency contracts under NAICS 541620 Environmental Consulting Services: $1.1 billion to 120 recipients (FY2024 to FY2027)
Updated October 6, 2026. Source: USAspending.gov.
Environmental Protection Agency obligated $1.1 billion under NAICS 541620, Environmental Consulting Services, across 2,841 contract awards to 120 named recipients in fiscal years 2024 to 2027. The largest recipients are EASTERN RESEARCH GROUP INC ($195.1 million), WESTON SOLUTIONS INC ($124.9 million), GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. ($96.2 million). 13 opportunities under this code are open on SAM.gov now.
The request: Every federal contract awarded by Environmental Protection Agency under NAICS 541620, with the winner, the value and the period of performance. $10 of work on sign-up, no card.
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- Agency
- Environmental Protection Agency
- NAICS code
- 541620 Environmental Consulting Services
- Contract awards
- 2,841
- Obligated
- $1.1 billion
- Named recipients
- 120
- Small business share of obligations
- 26%
- Full and open competition share
- 95%
- Set aside share
- 2%
- Latest action
- 2026-10-02
Open opportunities in this niche
The same code on SAM.gov, read each morning: 13 opportunities you can still respond to.
Incumbents at this agency
Ranked by dollars obligated in fiscal years 2024 to 2027.
| Recipient | Business size | Awards | Obligated | Share |
|---|---|---|---|---|
| EASTERN RESEARCH GROUP INC | Other Than Small Business | 401 | $195.1 million | 17.3% |
| WESTON SOLUTIONS INC | Other Than Small Business | 237 | $124.9 million | 11.0% |
| GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | Other Than Small Business | 82 | $96.2 million | 8.5% |
| S C & A INC | Small Business | 60 | $88.5 million | 7.8% |
| THE CADMUS GROUP LLC | Other Than Small Business | 92 | $69 million | 6.1% |
| TETRA TECH, INC. | Other Than Small Business | 51 | $53.7 million | 4.8% |
| TETRA TECH, INC. | Other Than Small Business | 69 | $50.4 million | 4.5% |
| WESTON-TECHLAW JV LLC | Small Business | 94 | $33.5 million | 3.0% |
| ICF INCORPORATED, L.L.C. | Other Than Small Business | 139 | $28.5 million | 2.5% |
| WSP USA ENVIRONMENT & INFRASTRUCTURE INC. | Other Than Small Business | 51 | $26.7 million | 2.4% |
| TETRA TECH, INC. | Other Than Small Business | 43 | $24.5 million | 2.2% |
| ENVIRONMENTAL MANAGEMENT SUPPORT, INC | Small Business | 60 | $23.1 million | 2.0% |
| GREAT LAKES ENVIRONMENTAL CENTER, INC | Small Business | 68 | $23 million | 2.0% |
| TETRA TECH, INC. | Other Than Small Business | 64 | $21.8 million | 1.9% |
| TETRA TECH, INC. | Other Than Small Business | 246 | $20.7 million | 1.8% |
| TOEROEK ASSOCIATES, INC. | Small Business | 202 | $20.4 million | 1.8% |
| SKEO SOLUTIONS, INC | Small Business | 41 | $20.1 million | 1.8% |
| SRC INC | Other Than Small Business | 31 | $19.1 million | 1.7% |
| TETRA TECH INC | Other Than Small Business | 28 | $18.8 million | 1.7% |
| RESEARCH TRIANGLE INSTITUTE | Other Than Small Business | 30 | $18.5 million | 1.6% |
| CDM FEDERAL PROGRAMS CORPORATION | Other Than Small Business | 9 | $16.8 million | 1.5% |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | Other Than Small Business | 6 | $13.7 million | 1.2% |
| ALEUT TECHNICAL SERVICES, LLC | Small Business | 11 | $12.5 million | 1.1% |
| PB&A/CSS JV, LLC. | Small Business | 12 | $10 million | 0.9% |
| ABT GLOBAL LLC | Other Than Small Business | 30 | $9.2 million | 0.8% |
| AVANTI CORPORATION | Small Business | 20 | $8.9 million | 0.8% |
| HORSLEY WITTEN GROUP, INC. | Small Business | 47 | $7.1 million | 0.6% |
| UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL | Other Than Small Business | 30 | $6.2 million | 0.5% |
| RURAL COMMUNITY ASSISTANCE CORPORATION | Other Than Small Business | 1 | $5.3 million | 0.5% |
| S.S. PAPADOPULOS & ASSOCIATES, INC. | Small Business | 19 | $5 million | 0.4% |
| TETRA TECH, INC. | Other Than Small Business | 46 | $4 million | 0.4% |
| LOGAN SIMPSON DESIGN INC. | Small Business | 2 | $4 million | 0.4% |
| SPACKMAN MOSSOP MICHAELS, LLC | Small Business | 5 | $3.6 million | 0.3% |
| NEPTUNE AND COMPANY, INCORPORATED | Small Business | 60 | $3 million | 0.3% |
| CENSEO CONSULTING GROUP, INC. | Small Business | 5 | $3 million | 0.3% |
| BOWHEAD ENTERPRISE, SCIENCE AND TECHNOLOGY, LLC | Small Business | 5 | $2.4 million | 0.2% |
| MABBETT & ASSOCIATES, INC. | Small Business | 24 | $2.3 million | 0.2% |
| RURAL AND TRIBAL ENVIRONMENTAL SOLUTIONS, INC | Small Business | 15 | $2.2 million | 0.2% |
| INDUSTRIAL ECONOMICS INC | Other Than Small Business | 21 | $2.2 million | 0.2% |
| BLUESTONE ENVIRONMENTAL GROUP, INC. | Small Business | 12 | $1.9 million | 0.2% |
| BATTELLE MEMORIAL INSTITUTE | Other Than Small Business | 12 | $1.7 million | 0.2% |
| CONSOLIDATED SAFETY SERVICES INCORPORATED | Other Than Small Business | 19 | $1.7 million | 0.2% |
| ECO ANALYSTS, LLC | Small Business | 7 | $1.7 million | 0.1% |
| GSI NORTH AMERICA INC | Small Business | 12 | $1.6 million | 0.1% |
| ENVIRONMENTAL ENGINEERING & MEASUREMENT SERVICES INC | Small Business | 3 | $1.6 million | 0.1% |
| ENDYNA, INC. | Small Business | 3 | $1.6 million | 0.1% |
| BOOZ ALLEN HAMILTON INC | Other Than Small Business | 16 | $1.5 million | 0.1% |
| ALTA SCIENCE & ENGINEERING INC | Small Business | 5 | $1.2 million | 0.1% |
| ALEUT SERVICES, LLC | Small Business | 11 | $1.2 million | 0.1% |
| SONOMA TECHNOLOGY, INC. | Small Business | 2 | $1.2 million | 0.1% |
Offices buying
| Sub agency | Awards | Obligated |
|---|---|---|
| Environmental Protection Agency | 2,841 | $1.13 billion |
Obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2024 | $498.2 million |
| FY2025 | $349.2 million |
| FY2026 | $282.2 million |
| FY2027 | $680,329 |
Products and services bought
| Code | Product or service | Awards | Obligated |
|---|---|---|---|
| R499 | Support- Professional: Other | 508 | $376.8 million |
| R429 | Support- Professional: Emergency Response/disaster Planning/preparedness Support | 614 | $182.5 million |
| F999 | Other Environmental Services | 440 | $160.5 million |
| F115 | Environmental Systems Protection- Environmental Consulting and Legal Support | 192 | $128.9 million |
| R425 | Support- Professional: Engineering/technical | 331 | $81.3 million |
| B510 | Special Studies/analysis- Environmental Assessments | 106 | $68.2 million |
| F108 | Environmental Systems Protection- Environmental Remediation | 93 | $58.9 million |
| R408 | Support- Professional: Program Management/support | 106 | $19.6 million |
Largest contract awards
| Award ID | Recipient | Agency | Type | NAICS | What it buys | Obligated in window | Award value | Starts | Ends | Place of performance | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 68HERW26F0203 | THE CADMUS GROUP LLC | Environmental Protection Agency | Delivery Order | 541620 | R425 - WATER ENGINEERING SUPPORT SERVICES FOR OFFICE OF GROUND WATER AND DRINKING WATER (OGWDW). | $12,862,458 | $12,862,458 | September 17, 2026 | September 17, 2027 | Waltham, MA | usaspending.gov |
| 68HE0322F0065 | WESTON-TECHLAW JV LLC | Environmental Protection Agency | Delivery Order | 541620 | THIS ACTION FUNDS A NEW TASK ORDER ON THE REAC CONTRACT, 68HE0321D001, FOR THE CORE RESPONSE TEAM (CRT). THERE IS NO SITE SPECIFIC ID OR SIT | $12,810,423 | $23,048,838 | August 24, 2022 | July 10, 2027 | Edison, NJ | usaspending.gov |
| 68HERC24F0452 | EASTERN RESEARCH GROUP INC | Environmental Protection Agency | BPA Call | 541620 | DRINKING WATER AND WASTEWATER TECHNICAL ASSISTANCE TO TRIBES AND ALASKAN NATIVE VILLAGES REGION 6 - GEOGRAPHIC AREA E SUPPORT LSLR AND EC AC | $12,658,778 | $26,211,429 | August 15, 2024 | August 14, 2027 | Concord, MA | usaspending.gov |
| 68HERH25F0091 | S C & A INC | Environmental Protection Agency | BPA Call | 541620 | COMPETITIVE EARTH T&M/FFP HYBRID CALL ORDER FOR ORD ENTITLED BIL DRINKING WATER LEAD TECHNICAL SUPPORT. PERIOD OF PERFORMANCE MAY 5, 2025, T | $12,627,588 | $15,414,487 | May 5, 2025 | May 4, 2027 | Edison, NJ | usaspending.gov |
| 68HE0923F0071 | TETRA TECH, INC. | Environmental Protection Agency | Delivery Order | 541620 | THE CONTRACTOR PROVIDE TECHNICAL SUPPORT AND ASSISTANCE FOR THE USEPA NAVAJO ABANDONED URANIUM MINES (NAUM) PROGRAM AS IT DEVELOPS PROGRAM S | $12,056,963 | $13,504,856 | September 12, 2023 | March 1, 2028 | Shiprock, NM | usaspending.gov |
| 68HE0125F0014 | WESTON SOLUTIONS INC | Environmental Protection Agency | Delivery Order | 541620 | SUPERFUND TECHNICAL ASSESSMENT & RESPONSE TEAM VI (START VI) FIXED PRICE TEAM CRT (CORE READINESS TEAM) TASK ORDER PSC F108 | $10,692,896 | $30,044,750 | July 1, 2025 | December 31, 2029 | Boston, MA | usaspending.gov |
| 68HERH23F0279 | EASTERN RESEARCH GROUP INC | Environmental Protection Agency | BPA Call | 541620 | EARTH MISSION SUPPORT ADVANCING A CIRCULAR ECONOMY FOR MATERIALS | $9,082,552 | $32,084,380 | September 29, 2023 | September 28, 2026 | Concord, MA | usaspending.gov |
| 68HE0525F0025 | TETRA TECH, INC. | Environmental Protection Agency | Delivery Order | 541620 | REGION 5, SUPERFUND TECHNICAL ASSESSMENT & RESPONSE TEAM VI (START VI), TASK ORDER FOR REMOVAL ACTIVITIES. | $8,131,251 | $8,131,251 | December 4, 2024 | November 20, 2029 | Chicago, IL | usaspending.gov |
| 68HERH22F0074 | GENERAL DYNAMICS INFORMATION TECHNOLOGY, INC. | Environmental Protection Agency | Delivery Order | 541620 | HRS/NPL CONTRACT SUPPORT | $7,759,100 | $11,518,280 | December 14, 2021 | June 16, 2026 | Falls Church, VA | usaspending.gov |
| 68HE0924F0071 | CDM FEDERAL PROGRAMS CORPORATION | Environmental Protection Agency | BPA Call | 541620 | THIS TASK ORDER IS FOR THE LEAD SERVICE LINE INVENTORIES FOR THE STATE OF CALIFORNIA. | $7,518,178 | $7,518,178 | August 12, 2024 | February 11, 2027 | San Francisco, CA | usaspending.gov |
| 68HERH20F0134 | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | Environmental Protection Agency | Delivery Order | 541620 | GREENHOUSE GAS DATA SYSTEMS AND HELP DESK SUPPORT | $7,089,579 | $25,887,099 | January 31, 2020 | July 29, 2025 | Washington, DC | usaspending.gov |
| 68HERH24F0015 | EASTERN RESEARCH GROUP INC | Environmental Protection Agency | BPA Call | 541620 | EARTH MISSION SUPPORT - OFFICE OF CHEMICAL SAFETY AND POLLUTION PREVENTION (OCSPP) / DATA GATHERING AND ANALYSIS DIVISION (DGAD) INFLATION R | $6,769,655 | $24,046,172 | December 13, 2023 | June 17, 2026 | Concord, MA | usaspending.gov |
| 68HE0926F0066 | TOEROEK ASSOCIATES, INC. | Environmental Protection Agency | Delivery Order | 541620 | THE PURPOSE OF THIS TASK ORDER IS TARGETED BROWNFIELDS ASSESSMENT SUPPORT 1 | $6,576,707 | $6,576,707 | June 5, 2026 | June 4, 2029 | San Francisco, CA | usaspending.gov |
| 68HERH24F0283 | SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | Environmental Protection Agency | Delivery Order | 541620 | NEW TASK ORDER FOR SUPPORT FOR WEC AND ELECTRONIC GREENHOUSE GAS REPORTING TOOL. PERIOD OF PERFORMANCE 1 JUNE 2024- 31MAY 2025. COR KONG CHI | $6,461,724 | $6,465,522 | June 1, 2024 | December 9, 2025 | Reston, VA | 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.