2022 NAICS industry group in sector 56 Administrative and Support and Waste Management and Remediation Services
5616 Investigation and Security Services
NAICS 5616 is the US industry code for investigation and security services. It covers establishments primarily engaged in one of the following: (1) investigation, guard, and armored car services; (2) selling security systems, such as burglar and fire alarms and locking devices, along with installation, repair, or monitoring services; or (3) remote monitoring of electronic security alarm systems.
Official definition
This industry group comprises establishments primarily engaged in one of the following: (1) investigation, guard, and armored car services; (2) selling security systems, such as burglar and fire alarms and locking devices, along with installation, repair, or monitoring services; or (3) remote monitoring of electronic security alarm systems.
Codes in 5616
Data last changed November 14, 2026. How this page is built.