Includes
Anti-intrusion Alarm Systems; Foghorns; Gongs; Chimes; Bells; Burglar Alarm Systems; Fire Alarms; Police Alarm Systems; Sounding Devices; Manual Gas Alarms; Landing Wands.

Excludes
Loran; Radar; Sonar; Engine Oil and Fuel Warning Devices; Aircraft Oxygen Warning Devices.

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
334290 – Other Communications Equipment Manufacturing
335311 – Power, Distribution, and Specialty Transformer Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
333120 – Construction Machinery Manufacturing
541519 – Other Computer Related Services
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing

Description
Installation of Equipment: 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
541330 – Engineering Services
541519 – Other Computer Related Services
236220 – Commercial and Institutional Building Construction

Description
Maintenance, Repair and Rebuilding of Equipment: Alarm, Signal, and Security Detection Systems

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
541519 – Other Computer Related Services
334290 – Other Communications Equipment Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238210 – Electrical Contractors and Other Wiring Installation Contractors
541330 – Engineering Services
561210 – Facilities Support Services
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
334519 – Other Measuring and Controlling Device Manufacturing

Description
Maintenance, Repair and Rebuilding of Equipment: Fire Control Equipment

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
238220 – Plumbing, Heating, and Air-Conditioning Contractors
922160 – Fire Protection
811210 – Electronic and Precision Equipment Repair and Maintenance
561210 – Facilities Support Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
238990 – All Other Specialty Trade Contractors

Possible NAICS Codes
334290 – Other Communications Equipment Manufacturing
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
541519 – Other Computer Related Services
561621 – Security Systems Services (except Locksmiths)
334111 – Electronic Computer Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
541330 – Engineering Services
334210 – Telephone Apparatus Manufacturing
811210 – Electronic and Precision Equipment Repair and Maintenance
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing

Possible NAICS Codes
561612 – Security Guards and Patrol Services
561621 – Security Systems Services (except Locksmiths)
922120 – Police Protection
561210 – Facilities Support Services
561611 – Investigation and Personal Background Check Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
485410 – School and Employee Bus Transportation
541990 – All Other Professional, Scientific, and Technical Services
541519 – Other Computer Related Services
541611 – Administrative Management and General Management Consulting Services

Description
Fire Protection Services

Possible NAICS Codes
561210 – Facilities Support Services
922160 – Fire Protection
561621 – Security Systems Services (except Locksmiths)
238220 – Plumbing, Heating, and Air-Conditioning Contractors
561990 – All Other Support Services
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561790 – Other Services to Buildings and Dwellings
238210 – Electrical Contractors and Other Wiring Installation Contractors
236220 – Commercial and Institutional Building Construction

Description
Other Professional Services

Possible NAICS Codes
493190 – Other Warehousing and Storage
541611 – Administrative Management and General Management Consulting Services
541990 – All Other Professional, Scientific, and Technical Services
541690 – Other Scientific and Technical Consulting Services
711510 – Independent Artists, Writers, and Performers
541330 – Engineering Services
541519 – Other Computer Related Services
611430 – Professional and Management Development Training
721110 – Hotels (except Casino Hotels) and Motels
561320 – Temporary Help Services

Description
Surveillance Services

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
561612 – Security Guards and Patrol Services
561210 – Facilities Support Services
922120 – Police Protection
517111 – Wired Telecommunications Carriers
334290 – Other Communications Equipment Manufacturing
541519 – Other Computer Related Services
811210 – Electronic and Precision Equipment Repair and Maintenance
334419 – Other Electronic Component Manufacturing
921190 – Other General Government Support

Description
Modification of Equipment: 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
561210 – Facilities Support Services
541511 – Custom Computer Programming Services
541330 – Engineering Services
236220 – Commercial and Institutional Building Construction
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
561612 – Security Guards and Patrol Services
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use

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)
238990 – All Other Specialty Trade Contractors
541350 – Building Inspection Services
238210 – Electrical Contractors and Other Wiring Installation Contractors
334290 – Other Communications Equipment Manufacturing
561210 – Facilities Support Services
811210 – Electronic and Precision Equipment Repair and Maintenance
561612 – Security Guards and Patrol Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
541990 – All Other Professional, Scientific, and Technical Services

Description
Maintenance, Repair and Rebuilding of Equipment: Fire Fighting, Rescue, and Safety Equipment; and Environmental Protection Equipment and Materials

Possible NAICS Codes
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
811111 – General Automotive Repair
561990 – All Other Support Services
561621 – Security Systems Services (except Locksmiths)
561210 – Facilities Support Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
922160 – Fire Protection
811210 – Electronic and Precision Equipment Repair and Maintenance
334516 – Analytical Laboratory Instrument Manufacturing
541990 – All Other Professional, Scientific, and Technical Services

Description
Inspection and Laboratory Services (except medical/dental): Fire Control Equipment

Includes
Includes: Commercial Testing and Laboratory Services

Excludes
Excludes: Medical and Dental Laboratory Services

Possible NAICS Codes
561621 – Security Systems Services (except Locksmiths)
541990 – All Other Professional, Scientific, and Technical Services
922160 – Fire Protection
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
561210 – Facilities Support Services
541350 – Building Inspection Services
238220 – Plumbing, Heating, and Air-Conditioning Contractors
238210 – Electrical Contractors and Other Wiring Installation Contractors
238990 – All Other Specialty Trade Contractors
236220 – Commercial and Institutional Building Construction

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
334512 – Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
334290 – Other Communications Equipment Manufacturing
334519 – Other Measuring and Controlling Device Manufacturing
561210 – Facilities Support Services
541990 – All Other Professional, Scientific, and Technical Services
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing
334111 – Electronic Computer Manufacturing
811310 – Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

Includes
Aerial and Mapping Cameras.

Excludes
Television Cameras, Nonairborne (FSC 5820); Television Cameras, Airborne (FSC 5821); Video Camera (FSC 5836).

Possible NAICS Codes
333310 – Commercial and Service Industry Machinery Manufacturing
334310 – Audio and Video Equipment Manufacturing
561621 – Security Systems Services (except Locksmiths)
541519 – Other Computer Related Services
334220 – Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing
334290 – Other Communications Equipment Manufacturing
334111 – Electronic Computer Manufacturing
423410 – Photographic Equipment and Supplies Merchant Wholesalers
325992 – Photographic Film, Paper, Plate, Chemical, and Copy Toner Manufacturing
334511 – Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing