Description
Quality Control Services: Alarm, Signal, and Security Detection Systems

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
238210 – Electrical Contractors and Other Wiring Installation Contractors
334290 – Other Communications Equipment Manufacturing
541519 – Other Computer Related Services
334111 – Electronic Computer Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
541330 – Engineering Services
541990 – All Other Professional, Scientific, and Technical Services