Possible NAICS Codes
236220 – Commercial and Institutional Building Construction
237130 – Power and Communication Line and Related Structures Construction
541512 – Computer Systems Design Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
561612 – Security Guards and Patrol Services
541330 – Engineering Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
517810 – All Other Telecommunications