PSC codes › F999
PSC F999 — Other Environmental Services, Studies, and Analytical Support: federal contracts
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What PSC F999 covers
Description: Other Environmental Services, Studies, and Analytical Support
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Facilities & Construction › Facility Related Services.
Who is winning new PSC F999 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| ECC CONSTRUCTORS LLC | $1.8B | 14 |
| IDAHO ENVIRONMENTAL COALITION LLC | $1.7B | 1 |
| SOUTHERN OHIO CLEANUP COMPANY LLC | $399.7M | 1 |
| APTIM FEDERAL SERVICES, LLC | $245.1M | 64 |
| HUI HULIAU TECHNOLOGY SERVICES LLC | $223.3M | 1 |
| BWXT ORDNANCE TENNESSEE, INC. | $131.3M | 1 |
| WEST VALLEY CLEANUP ALLIANCE, LLC | $130.6M | 3 |
| SEVENSON ENVIRONMENTAL SERVICES, INC. | $112.6M | 5 |
| HYDROGEOLOGIC, INC. | $103.7M | 16 |
| DAWSON SOLUTIONS, INC. | $74.2M | 9 |
How competitive is PSC F999?
- 86.1% of obligations on these awards were competed.
- 34.5% of competed awards that report offers drew a single offer (n=1,126).
- 28.4% went to small businesses.
- The five largest contractors hold 64.6% across 811 contractors.
NAICS codes used on PSC F999 awards
| NAICS | Industry | Share |
|---|---|---|
| 562910 | Remediation Services | 56.0% |
| 562119 | Other Waste Collection | 23.7% |
| 541620 | Environmental Consulting Services | 9.5% |
| 562211 | Hazardous Waste Treatment and Disposal | 4.5% |
| 325180 | Other Basic Inorganic Chemical Manufacturing | 2.0% |
| 541330 | Engineering Services | 1.3% |
| 541611 | Administrative Management and General Management Consulting Services | 0.6% |
| 541380 | Testing Laboratories and Services | 0.5% |
Related PSC codes
F108 Hazardous Substance Removal, Cleanup, and Disposal Services and Operational Support · R499 Other Professional Services · C219 Other Architect and Engineering Services · B510 Environmental Studies and Assessments · R425 Engineering and Technical Services · R408 Program Management/Support Services · R799 Other Management Support Services · F115 Environmental Systems Protection: Environmental Consulting and Legal Support
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- Matched to your company — PSC F999 solicitations ranked against your capabilities, NAICS and certifications, with a fit score for each
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