Description
Inspection and Laboratory Services (except medical/dental): Alarm, Signal, and Security Detection Systems

Includes
Includes: Commercial Testing and Laboratory Services

Excludes
Excludes: Medical and Dental Laboratory Services

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
561210 – Facilities Support Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
334290 – Other Communications Equipment Manufacturing
238990 – All Other Specialty Trade Contractors
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541990 – All Other Professional, Scientific, and Technical Services
561612 – Security Guards and Patrol Services
811210 – Electronic and Precision Equipment Repair and Maintenance