PSC R405: Support – Professional: Operations Research/Quantitative Analysis
R405 is the product and service code (PSC) federal agencies use for support – professional: operations research/quantitative analysis, in the professional services group. Here are the contracts open under it now, the NAICS codes it pairs with, and who buys and wins this work.
- Open contracts now
- 2
- Spending, FY2026
- $269.9 million
- Share to small businesses
- 37%
Open contracts with PSC R405, due soonest
- A Study on Vessel Design Challenge
✦ The Maritime Administration (MARAD) wants design teams to produce preliminary vessel designs that cut fuel use and underwater radiated noise, funded through cooperative…
Due in 92 daysJan 10, 2027
Where R405 sits in the PSC Manual
- Category: Service
- Group R: Support SVCS (Prof, Admin, MGMT)
- Group R4: Professional Services
- Code R405: Support – Professional: Operations Research/Quantitative Analysis
NAICS codes used with PSC R405
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with R405 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541330 | Engineering Services | $407.7 million |
| 541611 | Administrative Management and General Management Consulting Services | $209.8 million |
| 541990 | All Other Professional, Scientific, and Technical Services | $154.2 million |
| 541512 | Computer Systems Design Services | $85 million |
| 611710 | Educational Support Services | $74.3 million |
| 541712 | Research and Development in the Physical, Engineering, and Life Sciences (Except Biotechnology) | $49.7 million |
| 519290 | Web Search Portals and All Other Information Services | On 1 open |
| 541720 | Research and Development in the Social Sciences and Humanities | On 1 open |
Who buys under PSC R405
Agencies with the most contract dollars under R405 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $216.8 million |
| Office of Procurement Operations | $189.1 million |
| Federal Acquisition Service | $175.1 million |
| Department of the Navy | $98.6 million |
| Department of Veterans Affairs | $84.2 million |
| U.S. Customs and Border Protection | $53.1 million |
| National Aeronautics and Space Administration | $47.3 million |
| Centers for Medicare and Medicaid Services | $46.8 million |
On open notices right now, the most R405 work comes from Dept of Defense and Department of Transportation.
Federal spending under PSC R405 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $566.5 million |
| FY2025 | $376.4 million |
| FY2026 | $269.9 million |
| FY2027 (so far) | $0 |
Who wins PSC R405 contracts
| Company | Obligated, last 3 years |
|---|---|
| Leidos, Inc. | $194.9 million |
| Human Resources Research Organization (Humrro) | $75.4 million |
| Accenture Federal Services LLC | $54.4 million |
| Applied Research Associates, Inc. | $51.1 million |
| The Johns Hopkins University Applied Physics Laboratory LLC | $49.6 million |
| Computational Physics, Inc. | $47 million |
| Titan Alpha LLC | $43.3 million |
| Deloitte Consulting LLP | $35.9 million |
| American Institutes for Research in the Behavioral Sciences | $30.2 million |
| KBR Wyle Services, LLC | $30.1 million |
Related PSC codes
- R401 Support – Professional: Personal Care (Non – Medical)
- R402 Support – Professional: Real Estate Brokerage
- R403 Real Estate Brokerage Services
- R404 Support – Professional: Land Surveys – Cadastral (Non – Construction)
- R406 Support – Professional: Policy Review/Development
- R407 Program Evaluation Services
- R408 Support – Professional: Program Management/Support
- R409 Program Review/Development Services
- R410 Support – Professional: Program Evaluation/Review/Development
- R411 Support – Professional: Real Property Appraisals
Frequently asked questions
What is PSC R405?
R405 is the service code in the federal Product and Service Code (PSC) Manual for support – professional: operations research/quantitative analysis, under R (Support SVCS (Prof, Admin, MGMT)) and R4 (Professional Services). Agencies put a PSC on every contract to record what they bought.
What is the difference between a PSC and a NAICS code?
A PSC describes what the government is buying. A NAICS code describes the industry of the business doing the work, and it sets the SBA size standard for small business set-asides. Every contract notice has both.
Which NAICS code goes with PSC R405?
Most federal contract dollars under PSC R405 go with NAICS 541330 (Engineering Services), according to USAspending.gov. The contracting officer picks the NAICS code for each solicitation, so check the notice.
How do I find contracts that use PSC R405?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 2 open notices use PSC R405 right now. FedReady can match new ones to your business and email you, free.