Possible NAICS Codes
561612 – Security Guards and Patrol Services
561621 – Security Systems Services (except Locksmiths)
922120 – Police Protection
238210 – Electrical Contractors and Other Wiring Installation Contractors
561210 – Facilities Support Services
485410 – School and Employee Bus Transportation
561611 – Investigation and Personal Background Check Services
541618 – Other Management Consulting Services
541519 – Other Computer Related Services
334290 – Other Communications Equipment Manufacturing