PSC codes › B541
PSC B541 — Defense Studies: federal contracts
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What PSC B541 covers
Description: Defense Studies
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Professional Services › Management Advisory Services.
Who is winning new PSC B541 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| THE RAND CORPORATION | $264.1M | 12 |
| THE CNA CORPORATION | $230.2M | 286 |
| INSTITUTE FOR DEFENSE ANALYSES | $219.7M | 1 |
| THE JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY LLC | $48.5M | 10 |
| DZYNE TECHNOLOGIES, LLC | $39.5M | 1 |
| LOCKHEED MARTIN CORP | $37.8M | 2 |
| SCIENTIFIC RESEARCH CORPORATION | $8.5M | 4 |
| LEIDOS, INC. | $7.0M | 1 |
| ANALYTIC SERVICES INC. | $4.3M | 1 |
| BOOZ ALLEN HAMILTON INC | $4.3M | 1 |
How competitive is PSC B541?
- 5.8% of obligations on these awards were competed.
- 11.4% of competed awards that report offers drew a single offer (n=79).
- 2.9% went to small businesses.
- The five largest contractors hold 88.7% across 97 contractors.
NAICS codes used on PSC B541 awards
| NAICS | Industry | Share |
|---|---|---|
| 541990 | All Other Professional, Scientific, and Technical Services | 79.8% |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology) | 10.6% |
| 336411 | Aircraft Manufacturing | 4.2% |
| 541330 | Engineering Services | 4.0% |
| 541690 | Other Scientific and Technical Consulting Services | 0.2% |
| 541714 | Research and Development in Biotechnology (Except Nanobiotechnology) | 0.2% |
| 541611 | Administrative Management and General Management Consulting Services | 0.2% |
| 518210 | Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | 0.1% |
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 · R425 Engineering and Technical Services · R499 Other Professional Services · AC11 National Defense R&D Services; Department of Defense - Military; Basic Research · AJ12 General Science and Technology R&D Services; General Science and Technology; Applied Research · AJ11 General Science and Technology R&D Services; General Science and Technology; Basic Research
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