| PSC | Description
|
| DA01 | IT and Telecom - Business Application/application Development Support Services (labor) |
| DA10 | IT and Telecom - Business Application/application Development Software as a Service |
| DB01 | IT and Telecom - High Performance Computing (hpc) Support Services (labor) |
| DB02 | IT and Telecom - Compute Support Services, Non-hpc (labor) |
| DB10 | IT and Telecom - Compute as a Service: Mainframe/servers |
| DC01 | IT and Telecom - Data Center Support Services (labor) |
| DC10 | IT and Telecom - Data Center as a Service |
| DD01 | IT and Telecom - Service Delivery Support Services: Itsm, Operations Center, Project/pm (labor) |
| DE01 | IT and Telecom - End User: Help Desk; Tier1-2, Workspace, Print, Productivity Tools (labor) |
| DE02 | IT and Telecom - Mobile Device Support Services (labor) |
| DE10 | IT and Telecom - End User as a Service: Help Desk; Tier 1-2, Workspace, Print, Productivity Tools |
| DE11 | IT and Telecom - Mobile Device as a Service |
| DF01 | IT and Telecom - IT Management Support Services (labor) |
| DF10 | IT and Telecom - IT Management as a Service |
| DG01 | IT and Telecom - Network Support Services (labor) |
| DG10 | IT and Telecom - Network as a Service |
| DG11 | IT and Telecom - Network - Telecom Access Services |
| DH01 | IT and Telecom - Platform Support Services: Database, Mainframe, Middleware (labor) |
| DH10 | IT and Telecom - Platform as a Service: Database, Mainframe, Middleware |
| DJ01 | IT and Telecom - Security and Compliance Support Services (labor) |
| DJ10 | IT and Telecom - Security and Compliance as a Service |
| DK01 | IT and Telecom - Storage Support Services (labor) |
| DK10 | IT and Telecom - Storage as a Service |