Environmental consulting government contracts
57 open environmental consulting notices under NAICS 541620 right now. Federal buyers posted 171 since Aug 7, 2026.
Latest environmental consulting notices
Open notices first, soonest deadline first. Recently closed ones follow, so you can see what gets bought. Every row links to the official record.
Agencies buying environmental consulting
Who posted notices under NAICS 541620 since Aug 7, 2026, busiest first.
| Agency | Notices | Open now |
|---|---|---|
| Bureau of Land Management Department of the Interior | 24 | 11 |
| Department of Veterans Affairs | 24 | 4 |
| Forest Service Department of Agriculture | 22 | 8 |
| Department of the Army Department of Defense | 18 | 7 |
| U.S. Fish and Wildlife Service Department of the Interior | 15 | 6 |
| Bureau of Indian Affairs Department of the Interior | 8 | 2 |
| National Park Service Department of the Interior | 8 | 2 |
| Department of the Navy Department of Defense | 7 | 2 |
| Environmental Protection Agency | 7 | 6 |
| GSA Federal Acquisition Service General Services Administration | 7 | 0 |
| National Oceanic and Atmospheric Administration Department of Commerce | 6 | 2 |
| Department of the Air Force Department of Defense | 4 | 1 |
| Federal Energy Regulatory Commission Department of Energy | 4 | 0 |
| Bureau of Reclamation Department of the Interior | 4 | 3 |
| Indian Health Service Department of Health and Human Services | 4 | 0 |
Every federal buyer is listed in the agency directory.
Who wins environmental consulting contracts
Contractors ranked by value obligated on NAICS 541620 awards.
| Contractor | Awards | Obligated |
|---|---|---|
| Eastern Research Group Inc UEI DK4TBEJRAR56 | 86 | $329M |
| Project Enhancement Corporation UEI CM9VW5P6GKB6 | 8 | $264M |
| Weston Solutions Inc UEI Z4XGALW7L9K6 | 38 | $166M |
| Lynker Corporation UEI MCLPKDBCDKY7 | 13 | $163M |
| Environmental Incentives, Inc. UEI ECD6DSXS5NH5 | 6 | $152M |
| Tetra Tech, Inc. UEI E3QKBMJ7H9K7 | 22 | $144M |
| Lockheed Martin Services, LLC UEI G9CZJMSCRR28 | 1 | $140M |
| The Cadmus Group LLC UEI WSEZME8NNBA8 | 31 | $120M |
| S C & A Inc UEI FD83JSMSL9K1 | 17 | $117M |
| General Dynamics Information Technology, Inc. UEI SMNWM6HN79X5 | 19 | $104M |
From federal award records of $1M or more since October 2023. More in the contractor directory.
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Matched, not listed
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Earlier than the RFP
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Questions people ask
What is NAICS 541620?
NAICS 541620 is the federal industry code for Environmental Consulting Services. Agencies attach it to solicitations for this work, and it decides which small business size standard applies.
Are these real government contracts?
Yes. Every row comes from the public feed of the official source, most often SAM.gov, and links straight to the official notice. Confirm deadlines and amendments there before you respond.
Will this page list every open environmental consulting bid?
No single search can. Agencies sometimes file this work under a neighboring code or describe it differently. Use this page to find leads fast, then check scope, eligibility, and attachments in the official notice.
How often is this page updated?
The list refreshes through the day from the same opportunity database that powers Captivaq. It currently tracks 57 open notices.
How do I hear about new ones without checking back?
Captivaq watches the sources against your company profile and alerts you when a fitting notice posts, then scores the fit and drafts the response. That is the product behind this page.
Keep exploring
Engineering services contracts
Civil, mechanical, and electrical engineering for public projects.
NAICS 541519IT support services contracts
Help desk, maintenance, and other computer services.
NAICS 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) contracts
511 notices, 241 open now.
NAICS 541380Testing Laboratories and Services contracts
333 notices, 94 open now.
NAICS 541990All Other Professional, Scientific, and Technical Services contracts
298 notices, 115 open now.
NAICS 541512Computer systems design contracts
Systems integration, architecture, and design services.
More codes like this one are in professional, scientific, and technical services. Bidding in Canada? Tenders there classify work by UNSPSC rather than NAICS; start from Canadian government tenders.
Captivaq is an independent service from Logesta Labs LLC and is not affiliated with or endorsed by the U.S. government or SAM.gov. The notice on the official source portal is the record that governs; confirm deadlines and amendments there.