Description
Equipment and Materials Testing: Alarm, Signal, and Security Detection Systems

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
334290 – Other Communications Equipment Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
334517 – Irradiation Apparatus Manufacturing
332321 – Metal Window and Door Manufacturing
561612 – Security Guards and Patrol Services
332618 – Other Fabricated Wire Product Manufacturing
238220 – Plumbing, Heating, and Air-Conditioning Contractors