PSC R423: Support – Professional: Intelligence
R423 is the product and service code (PSC) federal agencies use for support – professional: intelligence, 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
- 1
- Spending, FY2025
- $505.5 million
- Share to small businesses, since FY2024
- 65%
Open count as of Oct 11, 2026, 6:08 PM ET.
Where R423 sits in the PSC Manual
- Category: Service
- Group R: Support SVCS (Prof, Admin, MGMT)
- Group R4: Professional Services
- Code R423: Support – Professional: Intelligence
NAICS codes used with PSC R423
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with R423 most often:
| NAICS | Industry | Spent, last 3 years | Open notices |
|---|---|---|---|
| 541715 | Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $514.6 million | — |
| 541990 | All Other Professional, Scientific, and Technical Services | $363.1 million | — |
| 518210 | Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $86.1 million | — |
| 541519 | Other Computer Related Services | $82.4 million | — |
| 541370 | Surveying and Mapping (except Geophysical) Services | $81.4 million | — |
| 541513 | Computer Facilities Management Services | $79.9 million | — |
| 621330 | Offices of Mental Health Practitioners (except Physicians) | — | 1 |
Who buys under PSC R423
Agencies with the most contract dollars under R423 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Air Force | $756.4 million |
| U.S. Special Operations Command | $212.1 million |
| Department of the Army | $134.4 million |
| Internal Revenue Service | $128.9 million |
| U.S. Coast Guard | $82.8 million |
| Department of the Navy | $79.5 million |
| Federal Energy Regulatory Commission | $22.7 million |
| Missile Defense Agency | $22.6 million |
Federal spending under PSC R423 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $416.4 million |
| FY2025 | $505.5 million |
| FY2026 (incomplete) | $614.6 million |
Headline figures use FY2025, the last complete year. FY2026 is still incomplete and will rise until about early January 2027 as Defense data arrives: USAspending.gov publishes Defense contracts 90 days after they're signed.
Who wins PSC R423 contracts
| Company | Obligated, last 3 years |
|---|---|
| Radiance Technologies Inc | $144.1 million |
| Altamira Technologies Corp | $140.1 million |
| CACI, Inc. - Federal | $110.9 million |
| Modern Technology Solutions, Inc. | $84.2 million |
| Epsilon C5I Inc | $62.7 million |
| Shield AI Inc | $61.4 million |
| Actionable Solutions Group, LLC | $60.2 million |
| Leidos, Inc. | $54 million |
| FGS, LLC | $49.7 million |
| Xandar LLC | $49.5 million |
Linked names have a FedReady profile, which shows the NAICS codes a business is registered as small under. Most large companies have none.
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)
- R405 Support – Professional: Operations Research/Quantitative Analysis
- 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
Frequently asked questions
What is PSC R423?
R423 is the service code in the federal Product and Service Code (PSC) Manual for support – professional: intelligence, 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 R423?
Most federal contract dollars under PSC R423 go with NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)), 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 R423?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 1 open notices use PSC R423 right now. FedReady can match new ones to your business and email you, free.