The following Product Service Codes (PSCs) are commonly associated with NAICS 813990, Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)

PSC R420 Support—Professional: Certifications and Accreditations (Other Than Educ or Info Tech C&A)

Services

PSC R418 Support—Professional: Legal

Services

PSC DG01 IT and Telecom—Network Support Services (Labor)

Services
Federal Category 1.7: Information Technology and Telecommunications Network

Description
Support services for physical and wireless networks connecting equipment within the core data centers and work areas, connecting end users to the organization's broader networks, as well as Wide Area Network equipment, hardware and software directly connecting into data centers, offices and third parties. Support services which enable or distribute voice services through on-premise equipment including PBX, VoIP, voicemail and handsets. Also provides support for transport services for data and voice network circuits and associated access facilities and services; includes dedicated and virtual data networks and internet access. Support services for external (Outside Plant) physical communications infrastructure connecting to LAN/WAN end points. Mobile infrastructure support such as cabled communication network, cellular towers, repeaters, switching systems dedicated for cellular communication

Possible NAICS Codes
541519 – Other Computer Related Services
517111 – Wired Telecommunications Carriers
541512 – Computer Systems Design Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
517810 – All Other Telecommunications
541513 – Computer Facilities Management Services
811210 – Electronic and Precision Equipment Repair and Maintenance
541330 – Engineering Services
541511 – Custom Computer Programming Services
517112 – Wireless Telecommunications Carriers (except Satellite)

PSC DA01 IT and Telecom—Business Application/Application Development Support Services (Labor)

Services
Federal Category 1.1: Information Technology and Telecommunications Application

Description
Support services for activities involved with application development and support to include analysis, design, development, coding, testing, and release packaging, as well as support of off-the-shelf Business Applications.

Includes
User Research, Human Center Design, Development/Security/Operations (DevSecOps), Customer Experience (UX)

Notes
Application development for new software projects and support for existing applications.

Possible NAICS Codes
541519 – Other Computer Related Services
541512 – Computer Systems Design Services
541511 – Custom Computer Programming Services
513210 – Software Publishers
518210 – Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
541513 – Computer Facilities Management Services
334111 – Electronic Computer Manufacturing
541330 – Engineering Services
541611 – Administrative Management and General Management Consulting Services
517112 – Wireless Telecommunications Carriers (except Satellite)