PSC codes › AH11
PSC AH11 — Natural Resources and Environment R&D Services; Water Resources; Basic Research: federal contracts
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What PSC AH11 covers
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Research and Development.
Who is winning new PSC AH11 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| TAYLOR-WOOLPERT, LLC | $9.3M | 12 |
| CREARE LLC | $3.2M | 5 |
| BOARD OF REGENTS OF NEVADA SYSTEM OF HIGHER EDUCATION | $3.0M | 1 |
| COLORADO STATE UNIVERSITY | $2.0M | 1 |
| RECTOR & VISITORS OF THE UNIVERSITY OF VIRGINIA | $2.0M | 1 |
| NEVADA SYSTEM OF HIGHER EDUCATION | $1.8M | 1 |
| AMENTUM TECHNOLOGY, INC. | $772K | 1 |
| WATER INSTITUTE OF THE GULF | $745K | 3 |
| PURDUE UNIVERSITY | $455K | 2 |
| UNIVERSITY OF NOTRE DAME DU LAC | $451K | 1 |
How competitive is PSC AH11?
- 85.9% of obligations on these awards were competed.
- 64.3% of competed awards that report offers drew a single offer (n=28).
- 47.6% went to small businesses.
- The five largest contractors hold 72.1% across 34 contractors.
NAICS codes used on PSC AH11 awards
| NAICS | Industry | Share |
|---|---|---|
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology) | 98.8% |
| 541330 | Engineering Services | 0.6% |
| 541380 | Testing Laboratories and Services | 0.3% |
| 562211 | Hazardous Waste Treatment and Disposal | 0.2% |
| 532490 | Other Commercial and Industrial Machinery and Equipment Rental and Leasing | 0.1% |
| 541690 | Other Scientific and Technical Consulting Services | 0.1% |
| 541360 | Geophysical Surveying and Mapping Services | 0.0% |
Related PSC codes
AJ11 General Science and Technology R&D Services; General Science and Technology; Basic Research · R425 Engineering and Technical Services · R499 Other Professional Services · U005 Tuition, Registration, and Membership Fees · AC13 National Defense R&D Services; Department of Defense - Military; Experimental Development · AJ12 General Science and Technology R&D Services; General Science and Technology; Applied Research · AC12 National Defense R&D Services; Department of Defense - Military; Applied Research · R408 Program Management/Support Services
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