PSC codes › B510
PSC B510 — Environmental Studies and Assessments: federal contracts
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- BPA Call Order Exceeding $20,000 Synopsis Requisition 1173128
- B--GUSG HABITAT HYDRO-LOGIC RESTORATION 202
- Blanket Purchase Agreement of Laboratory Analyses Services for Worldwide Support
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What PSC B510 covers
Description: Environmental Studies and Assessments
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Professional Services › Management Advisory Services.
Who is winning new PSC B510 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| VERNADERO GROUP INC | $36.2M | 10 |
| GULF SOUTH RESEARCH CORP | $32.7M | 16 |
| MINATOISHI PALUMBO ARCHITECTS, INC. | $29.5M | 1 |
| KEMRON ENVIRONMENTAL SERVICES, INC. | $27.9M | 1 |
| DAWSON SOLUTIONS, INC. | $25.0M | 8 |
| HDR ENVIRONMENTAL, OPERATIONS AND CONSTRUCTION, INC. | $24.3M | 6 |
| EASTERN RESEARCH GROUP INC | $20.6M | 21 |
| WSP USA SOLUTIONS INC | $17.7M | 8 |
| UNIVERSITY OF CALIFORNIA, DAVIS | $16.8M | 8 |
| TELLUS CIVIC SCIENCE CORPORATION | $9.4M | 5 |
How competitive is PSC B510?
- 84.7% of obligations on these awards were competed.
- 24.6% of competed awards that report offers drew a single offer (n=455).
- 65.6% went to small businesses.
- The five largest contractors hold 32.8% across 362 contractors.
NAICS codes used on PSC B510 awards
| NAICS | Industry | Share |
|---|---|---|
| 541620 | Environmental Consulting Services | 53.6% |
| 541690 | Other Scientific and Technical Consulting Services | 13.5% |
| 562910 | Remediation Services | 13.3% |
| 541380 | Testing Laboratories and Services | 8.5% |
| 541990 | All Other Professional, Scientific, and Technical Services | 2.3% |
| 541330 | Engineering Services | 1.8% |
| 541611 | Administrative Management and General Management Consulting Services | 1.7% |
| 541370 | Surveying and Mapping (Except Geophysical) Services | 1.1% |
Related PSC codes
F999 Other Environmental Services, Studies, and Analytical Support · R499 Other Professional Services · R425 Engineering and Technical Services · C219 Other Architect and Engineering Services · F115 Environmental Systems Protection: Environmental Consulting and Legal Support · R408 Program Management/Support Services · F099 Other Natural Resources and Conservation Services · B503 Archeological/Paleontological Studies
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