NAICS Description 517919 All Other Telecommunications 541519 Other Computer Related Services 541690 Other Scientific and Technical Consulting 541990 All Other Professional, Scientific, and Technical Services 423430 Computer and Computer Peripheral Equipment and Software Merchant Wholesalers PSC Description D310 IT and Telecom- Cyber Security D307 IT and Telecom- IT Strategy and Architecture D305 IT and Telecom- Teleprocessing, Timeshare, and Cloud Computing R499 SUPPORT- PROFESSIONAL: OTHER R799 SUPPORT- MANAGEMENT: OTHER R706 SUPPORT- MANAGEMENT: LOGISTICS SUPPORT