PSC codes › R405
PSC R405 — Operations Research and Quantitative Analysis Services: federal contracts
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What PSC R405 covers
Description: Operations Research and Quantitative Analysis Services
Official definition: GSA PSC Manual (PSC April 2025.xlsx), acquisition.gov/psc-manual. Category: Professional Services › Management Advisory Services.
Who is winning new PSC R405 work
Contractors ranked by obligations on awards that started FY2024–FY2027 to date.
| Contractor | Obligations | Awards |
|---|---|---|
| HUMAN RESOURCES RESEARCH ORGANIZATION (HUMRRO) | $66.1M | 16 |
| TITAN ALPHA LLC | $43.3M | 1 |
| COMPUTATIONAL PHYSICS, INC. | $38.4M | 77 |
| AMERICAN INSTITUTES FOR RESEARCH IN THE BEHAVIORAL SCIENCES | $30.3M | 1 |
| HALVIK LLC | $26.6M | 2 |
| AMENTUM SERVICES, INC. | $17.3M | 3 |
| SYSTEMS PLANNING AND ANALYSIS, INC. | $14.2M | 2 |
| JP SYSTEMS, INC. | $12.5M | 3 |
| PADRON PARTNERS II LLC | $11.8M | 3 |
| NODI SOLUTIONS, LLC | $11.8M | 1 |
How competitive is PSC R405?
- 75.7% of obligations on these awards were competed.
- 41.8% of competed awards that report offers drew a single offer (n=110).
- 48.7% went to small businesses.
- The five largest contractors hold 37.0% across 193 contractors.
NAICS codes used on PSC R405 awards
| NAICS | Industry | Share |
|---|---|---|
| 541611 | Administrative Management and General Management Consulting Services | 24.1% |
| 541990 | All Other Professional, Scientific, and Technical Services | 16.9% |
| 611710 | Educational Support Services | 12.0% |
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (Except Nanotechnology and Biotechnology) | 6.4% |
| 541330 | Engineering Services | 6.2% |
| 541211 | Offices of Certified Public Accountants | 5.5% |
| 541511 | Custom Computer Programming Services | 5.4% |
| 541512 | Computer Systems Design Services | 5.2% |
Related PSC codes
R499 Other Professional Services · R408 Program Management/Support Services · R425 Engineering and Technical Services · DA01 Business Application/Application Development Support Services (Labor) · AC13 National Defense R&D Services; Department of Defense - Military; Experimental Development · R799 Other Management Support Services · DA10 Business Application/Application Development Software As a Service · R699 Other Administrative Support Services
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