PSC DA01: It and Telecom – Business Application/Application Development Support Services (Labor)
DA01 is the product and service code (PSC) federal agencies use for it and telecom – business application/application development support services (labor), in the it and telecom – apllications 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
- 29
Open contracts with PSC DA01, due soonest
- TTS for DTB Pilot - Request for Information
✦ The Library of Congress (Washington, DC) is asking for information, not bids, about software that would build digital talking books for the National Library Service.
Due in 3 daysOct 12, 2026
- FCC OEA Optimization Request for Information (RFI)
Due in 3 daysOct 12, 2026
- 509 BW Command Post System Maintenance
✦ The 509th Bomb Wing at Whiteman Air Force Base, Missouri, plans to buy one year of maintenance, warranty and support for its Command Post phone and radio console system.
Due in 3 daysOct 13, 2026
- Enterprise Level Engineering and Systems Analysis Support (ELESAS)
✦ The Defense Information Systems Agency (DISA) is asking companies, large and small, to show they can provide enterprise-level engineering and systems analysis support to its…
Due in 4 daysOct 14, 2026
- Request for Information: Revolutionary (REV) Air Operations Center (AOC) Weapon System
✦ Kessel Run, an Air Force software unit, is asking industry for white papers on the Air Operations Center (AOC) Weapon System, a command-and-control system-of-systems.
Due in 5 daysOct 14, 2026
- NISC Enterprise Support Tasking (NEST)
✦ The FAA (Technical Operations, AJW-2131) wants a Women-Owned Small Business to run and maintain its NIMS/CMIS contract-management and financial system, which tracks task orders,…
Due in 5 daysOct 15, 2026
Where DA01 sits in the PSC Manual
- Category: Service
- Group D: It and Telecom – Information Technology and Telecommunications
- Group DA: It and Telecom – Apllications
- Code DA01: It and Telecom – Business Application/Application Development Support Services (Labor)
NAICS codes used with PSC DA01
The NAICS code on a contract sets the size standard for who counts as small. These are the codes agencies pair with DA01 most often:
| NAICS | Industry | Spent, last 3 years |
|---|---|---|
| 541512 | Computer Systems Design Services | On 14 open |
| 541511 | Custom Computer Programming Services | On 5 open |
| 541519 | Other Computer Related Services | On 5 open |
| 541513 | Computer Facilities Management Services | On 3 open |
| 334511 | Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing | On 1 open |
| 541330 | Engineering Services | On 1 open |
On open notices right now, the most DA01 work comes from Dept of Defense, Department of Veterans Affairs and Department of the Interior.
Related PSC codes
- DA10 It and Telecom – Business Application/Application Development Software As a Service
Frequently asked questions
What is PSC DA01?
DA01 is the service code in the federal Product and Service Code (PSC) Manual for it and telecom – business application/application development support services (labor), under D (It and Telecom – Information Technology and Telecommunications) and DA (It and Telecom – Apllications). 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 DA01?
Most federal contract dollars under PSC DA01 go with NAICS 541512 (Computer Systems Design 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 DA01?
Contract opportunities are posted on SAM.gov with their PSC and NAICS codes. 29 open notices use PSC DA01 right now. FedReady can match new ones to your business and email you, free.