PSC codes › AC21
PSC AC21 — National Defense R&D Services; Atomic Energy Defense Activities; Basic Research: federal contracts
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What PSC AC21 covers
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Research and Development.
Who is winning new PSC AC21 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| STRATOLAUNCH, LLC | $28.1M | 1 |
| X-BOW LAUNCH SYSTEMS INC | $13.8M | 1 |
| FIREHAWK AEROSPACE INC. | $9.0M | 1 |
| MOOG INC | $8.4M | 2 |
| FIREFLY AEROSPACE INC. | $7.6M | 2 |
| GENEVA TECHNOLOGIES, INC. | $4.0M | 1 |
| FORCE MEASUREMENT SYSTEMS, INC. | $3.8M | 1 |
| QUARTUS ENGINEERING INCORPORATED | $3.2M | 1 |
| URSA MAJOR TECHNOLOGIES, INC. | $1.9M | 1 |
| LONGSHOT SPACE TECHNOLOGIES CORPORATION | $1.8M | 1 |
How competitive is PSC AC21?
- 97.4% of obligations on these awards were competed.
- 73.9% of competed awards that report offers drew a single offer (n=23).
- 49.3% went to small businesses.
- The five largest contractors hold 72.5% across 25 contractors.
NAICS codes used on PSC AC21 awards
| NAICS | Industry | Share |
|---|---|---|
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology) | 95.5% |
| 541712 | Research and Development in the Physical, Engineering, and Life Sciences (Except Biotechnology) | 3.4% |
| 541330 | Engineering Services | 0.8% |
| 611310 | Colleges, Universities, and Professional Schools | 0.3% |
Related PSC codes
AC13 National Defense R&D Services; Department of Defense - Military; Experimental Development · AC32 National Defense R&D Services; Defense-Related Activities; Applied Research · AC12 National Defense R&D Services; Department of Defense - Military; Applied Research · AJ14 General Science and Technology R&D Services; General Science and Technology; R&D Administrative Expenses · AC11 National Defense R&D Services; Department of Defense - Military; Basic Research · AJ11 General Science and Technology R&D Services; General Science and Technology; Basic Research · R499 Other Professional Services · 6640 Laboratory Equipment and Supplies
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