NAICS Codes
238210 | Telephone equipment and building wiring installation |
Telephone installation contractors | |
Telecommunications equipment and wiring (except transmission line) installation contractors | |
Surveillance system, installation only | |
Public address system installation | |
Low voltage electrical work | |
Intercommunication (intercom) system installation | |
Computer and network cable installation | |
Communication equipment installation | |
Audio visual equipment installation | |
Audio equipment installation (except automotive) contractors | |
Low voltage electrical work | |
541512 | Audio visual and IT (information technology) systems integration design services |
Local area network (LAN) computer systems integration design services | |
Network systems integration design services, computer | |
Systems integration design services, computer |