PSC codes › AC11
PSC AC11 — National Defense R&D Services; Department of Defense - Military; Basic Research: federal contracts
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What PSC AC11 covers
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Research and Development.
Who is winning new PSC AC11 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| RTX CORPORATION | $948.9M | 1 |
| THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $535.6M | 66 |
| LOCKHEED MARTIN CORPORATION | $527.7M | 24 |
| LEIDOS, INC. | $97.0M | 5 |
| ECS FEDERAL, LLC | $78.5M | 1 |
| UNIVERSITY OF DAYTON | $75.7M | 5 |
| THE BOEING COMPANY | $66.1M | 10 |
| BOOZ ALLEN HAMILTON INC | $63.1M | 6 |
| NOOKS LLC | $55.8M | 4 |
| JJR SOLUTIONS LLC | $41.4M | 2 |
How competitive is PSC AC11?
- 29.1% of obligations on these awards were competed.
- 9.9% of competed awards that report offers drew a single offer (n=1,272).
- 19.2% went to small businesses.
- The five largest contractors hold 65.7% across 757 contractors.
NAICS codes used on PSC AC11 awards
| NAICS | Industry | Share |
|---|---|---|
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology) | 43.2% |
| 336412 | Aircraft Engine and Engine Parts Manufacturing | 28.5% |
| 336411 | Aircraft Manufacturing | 16.4% |
| 541712 | Research and Development in the Physical, Engineering, and Life Sciences (Except Biotechnology) | 3.9% |
| 541330 | Engineering Services | 3.7% |
| 488190 | Other Support Activities for Air Transportation | 1.1% |
| 541714 | Research and Development in Biotechnology (Except Nanobiotechnology) | 0.8% |
| 541511 | Custom Computer Programming Services | 0.8% |
Related PSC codes
AC12 National Defense R&D Services; Department of Defense - Military; Applied Research · AC13 National Defense R&D Services; Department of Defense - Military; Experimental Development · AC32 National Defense R&D Services; Defense-Related Activities; Applied Research · AJ11 General Science and Technology R&D Services; General Science and Technology; Basic Research · R425 Engineering and Technical Services · R499 Other Professional Services · AJ12 General Science and Technology R&D Services; General Science and Technology; Applied Research · AC33 National Defense R&D Services; Defense-Related Activities; Experimental Development
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