PSC D399
Other IT Services
Information technology services not elsewhere classified. Broad catch-all for emerging IT service categories including AI/ML development support, DevSecOps, cloud-native development, and other IT services that do not map to a more specific D-code.
| PSC Code | D399 |
| Category | IT & Telecommunications |
| SDVOSB Activity | Moderate SDVOSB Activity |
| Common Set-Asides | SDVOSB, VOSB, 8(a) |
| Contract Types | T&M, FFP |
| Top Buying Agencies | DoD, GSA, DHS, HHS, Treasury |
Frequently Asked Questions
What is PSC code D399?
PSC D399 covers Other IT Services. Information technology services not elsewhere classified. Broad catch-all for emerging IT service categories including AI/ML development support, DevSecOps, cloud-native development, and other IT services that do not map to a more specific D-code.
Which agencies use PSC D399 for SDVOSB set-asides?
The top federal agencies awarding SDVOSB set-aside contracts under PSC D399 include DoD, GSA, DHS, HHS, Treasury.
What contract types are used with PSC D399?
PSC D399 contracts commonly use the following contract types: T&M, FFP. Time-and-materials (T&M) is common when the level of effort cannot be specified precisely at time of award. Firm-fixed-price (FFP) is used when requirements are well-defined.
What NAICS codes are related to PSC D399?
PSC D399 often appears on contracts that also use NAICS codes 541511, 541512, 518210. The NAICS code determines SBA size standard eligibility, while the PSC describes what is being purchased.
SDVOSB Signals — PSC D399
Browse pre-RFP intelligence signals tracked under this PSC code.
View signals for PSC D399→Related NAICS Codes
These NAICS codes commonly appear on the same contracts as PSC D399. Your NAICS code determines SBA size standard — use these for set-aside eligibility checks.