Overview
Prime obligationsObligation: money the government has legally committed to a contract. It is not the same as money paid. Example: $6M obligated of a $10M ceiling. Glossary, FY2021–FY2025
paid to 2,570 contractors
Department › sub-agency; a tile opens its sub-agency
Click a tile to open its page.
Click a state to open its page.
Insight 14% was performed in District of Columbia. See the District of Columbia page (opens another page)
Agencies report with a delay; the latest year will rise
Hover over a year to see its value.
Insight 1,825 new awards in FY2025
Each cell is one week of a month: days 1–7, 8–14, 15–21, 22–28 or 29–31
Hover over a week to see its total.
Insight September held 24.4% of FY2025 obligations
Insights on other tabs
- Buyers
- Environmental Protection Agency placed 28%; 103 sub-agencies buy it
- Contractors
- 14 of the 25 largest are SBA-listed small businesses
- Opportunities
- 7 open notices use this code today
Buyers
A bar opens its department
Click a bar to open its page.
Buyers of NAICS 541620 by sub-agency, FY2021–FY2025
Use this to find which sub-agencies buy this work; open one for its offices.
Showing 1–10 of 103 sub-agencies
| FY2021–FY2025, NAICS 541620 | All industries, FY2017–FY2026 | |||
|---|---|---|---|---|
| Last 10 FY | ||||
| Environmental Protection Agency | EPA | $1,755,100,701 | 3,516 | |
| Department of the Army | DoD | $1,121,571,305 | 2,361 | |
| Department of Energy | Energy | $463,559,551 | 400 | |
| National Oceanic and Atmospheric Administration | Commerce | $417,429,728 | 491 | |
| National Aeronautics and Space Administration | NASA | $320,188,203 | 201 | |
| Bureau of Land Management | Interior | $221,536,356 | 1,672 | |
| Agency for International Development | Agency for International Development | $210,086,935 | 31 | |
| Department of the Navy | DoD | $178,552,491 | 759 | |
| Federal Acquisition Service | GSA | $150,786,539 | 59 | |
| Federal Emergency Management Agency | DHS | $110,669,753 | 183 | |
Contractors
Click a bar to open its page.
15 smaller rows, $960M together (15.2%), folded to keep the card short.
Everyone else: $3.68B (58.3%)
Insight The ten largest received 26% of the industry's obligations
Contractors in NAICS 541620 by prime obligations, FY2021–FY2025
Use this to see who wins this work and where they are based; the 25 largest.
14 of the 25 are SBA-listed small businesses
Showing 1–10 of 25 contractors
| FY2021–FY2025, NAICS 541620 | All industries, FY2017–FY2026 | |||
|---|---|---|---|---|
| Last 10 FY | ||||
| Eastern Research Group Inc.SBA-listed small businessListed in SBA DSBS | Concord, MA | $330,847,298 | 530 | |
| Project Enhancement CorporationSBA-listed small businessListed in SBA DSBS | Germantown, MD | $228,767,068 | 46 | |
| Weston Solutions Inc.SBA-listed small businessListed in SBA DSBS | West Chester, PA | $199,972,412 | 263 | |
| The Cadmus Group LLCSBA-listed small businessListed in SBA DSBS | Arlington, VA | $162,439,356 | 180 | |
| HSG, LLCSBA-listed small businessListed in SBA DSBS | Merritt Island, FL | $159,069,590 | 172 | |
| Lynker CorporationSBA-listed small businessListed in SBA DSBS | Leesburg, VA | $134,925,840 | 36 | |
| Tetra Tech, Inc. (Chicago, IL) | Chicago, IL | $123,303,042 | 79 | |
| Environmental Incentives, Inc. | Encinitas, CA | $119,955,971 | 7 | |
| Boston Government Services, LLCSBA-listed small businessListed in SBA DSBS | Oak Ridge, TN | $113,774,807 | 115 | |
| S C & A Inc.SBA-listed small businessListed in SBA DSBS | Arlington, VA | $96,523,506 | 88 | |
Opportunities
Open opportunities in NAICS 541620
Environmental Consulting Services
7 of the next 7 are due within 30 days
Showing 1–7 of 7 opportunities
| Opportunity | Agency | Due |
|---|---|---|
| PBA Testing, Lab and Engineering Services (opens in Procura)Sources Sought · NAICS 541620Free account: full notice, dates, attachments | Department of the Army (DOD)W6QK ACC-RI (W519TC) | Oct 19, 2026 |
| Environmental Disposal Liabilities Survey (opens in Procura)Solicitation · Set aside: Service-disabled veteran-owned small business · NAICS 541620Free account: full notice, dates, attachments | Department of Veterans Affairs260-NETWORK CONTRACT OFFICE 20 (36C260) | Oct 19, 2026 |
| F--Notice of Intent to Sole Source Modification for Contract 68HE0925C0002 (opens in Procura)Special Notice · NAICS 541620Free account: full notice, dates, attachments | Environmental Protection AgencyREGION 9 CONTRACTING OFFICE (68HE09) | Oct 21, 2026 |
| USDA Forest Service Cultural Resource Evaluation and Documentation (opens in Procura)Combined Synopsis/Solicitation · Set aside: Small business · NAICS 541620Free account: full notice, dates, attachments | Forest Service (USDA)USDA-FS, CSA INTERMOUNTAIN 2 (1284LM) | Oct 27, 2026 |
| R--Sources Sought and RFI (Recompete 68HERC21D0006) (opens in Procura)Sources Sought · NAICS 541620Free account: full notice, dates, attachments | Environmental Protection AgencyWATER, TRIBAL & SCIENCE DIVISION (68HERW) | Oct 30, 2026 |
| Fort Leavenworth Underground Fuel Tank Testing and Repair Services (opens in Procura)Sources Sought · Set aside: Small business · NAICS 541620Free account: full notice, dates, attachments | Department of the Army (DOD)W6QM MICC-FT LEAVENWORTH (W91QF4) | Nov 6, 2026 |
| H346--Legionella Water Testing (opens in Procura)Combined Synopsis/Solicitation · Set aside: Service-disabled veteran-owned small business · NAICS 541620Free account: full notice, dates, attachments | Department of Veterans Affairs262-NETWORK CONTRACT OFFICE 22 (36C262) | Nov 10, 2026 |