PSC R499: Support – Professional: Other
R499 is the product and service code (PSC) federal agencies use for support – professional: other, 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
- 68
Open contracts with PSC R499, due soonest
- EVENT AUDIO VISUAL SERVICES
Due in 2 daysOct 12, 2026
- SB Set-Aside under Seaport – Battle Watch Support Services for CNIC
Due in 2 daysOct 12, 2026
- Electronic Dental Annual Help Desk Support
✦ The Indian Health Service (Wagner Health Center, South Dakota) is doing market research for one year of annual help desk support, maintenance and software updates for its Dentrix…
Due in 3 daysOct 13, 2026
- Community Health Immunization Resources
✦ The Indian Health Service wants a contractor to build culturally appropriate vaccine education materials (toolkits, flyers, other tools) that Community Health Workers can share…
Due in 4 daysOct 13, 2026
- Health Economics Analysis Services
Due in 4 daysOct 14, 2026
- Technical Services Support
Due in 5 daysOct 14, 2026
Where R499 sits in the PSC Manual
- Category: Service
- Group R: Support SVCS (Prof, Admin, MGMT)
- Group R4: Professional Services
- Code R499: Support – Professional: Other
NAICS codes used with PSC R499
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with R499 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541990 | All Other Professional, Scientific, and Technical Services | On 17 open |
| 541330 | Engineering Services | On 7 open |
| 541690 | Other Scientific and Technical Consulting Services | On 5 open |
| 541611 | Administrative Management and General Management Consulting Services | On 4 open |
| 541519 | Other Computer Related Services | On 2 open |
| 513210 | Software Publishers | On 2 open |
On open notices right now, the most R499 work comes from Department of Veterans Affairs, Dept of Defense and Department of Health and Human Services.
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 R499?
R499 is the service code in the federal Product and Service Code (PSC) Manual for support – professional: other, 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 R499?
Most federal contract dollars under PSC R499 go with NAICS 541990 (All Other Professional, Scientific, and Technical 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 R499?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 68 open notices use PSC R499 right now. FedReady can match new ones to your business and email you, free.