2022 NAICS industry in sector 56 Administrative and Support and Waste Management and Remediation Services
56162 Security Systems Services
NAICS 56162 is the US industry code for security systems services. It covers establishments engaged in (1) selling security systems, such as burglar and fire alarms and locking devices, along with installation, repair, or monitoring services or (2) remote monitoring of electronic security alarm systems.
Official definition
This industry comprises establishments engaged in (1) selling security systems, such as burglar and fire alarms and locking devices, along with installation, repair, or monitoring services or (2) remote monitoring of electronic security alarm systems.
When to use a different code
Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:
- Selling security systems for buildings without installation, repair, or monitoring services are classified in Sector 42, Wholesale Trade, or Sector 44-45, Retail Trade.
- Installing alarm systems (e.g., fire, burglar), without selling or monitoring services are classified in Industry 23821, Electrical Contractors and Other Wiring Installation Contractors.
- Retailing motor vehicle security systems, with or without installation or repair services are classified in Industry 44133, Automotive Parts and Accessories Retailers.
- Providing key duplication services are classified in Industry 81149, Other Personal and Household Goods Repair and Maintenance.
Codes in 56162
Data last changed November 14, 2026. How this page is built.