NAICS Code Description


56161 - Investigation, Guard, and Armored Car Services

Top Businesses by Annual Sales for 56161 – Click for Complete Profiles:

Securitas Holdings IncNana Development Corporation
Securitas SEC Svcs USA IncATI Systems International Inc
Allied Security Holdings LLCUS Security Associates Inc
Brinks IncorporatedInter-Con Security Systems Inc
Universal Services America LPDunbar Armored Inc

This industry comprises establishments primarily engaged in providing one or more of the following: (1) investigation, detective, and personal background check services; (2) guard and patrol services; and (3) picking up and delivering money, receipts, or other valuable items with personnel and equipment to protect such properties while in transit.

Illustrative Examples:

Armored car services
Private detective services
Bodyguard services
Security guard services
Polygraph services


Cross-References.

  • Establishments primarily engaged in providing credit checks are classified in Industry 56145, Credit Bureaus;
  • Establishments primarily engaged in selling, installing, monitoring, and maintaining security systems and devices (e.g., burglar and fire alarm systems) are classified in Industry 56162, Security Systems Services; and
  • Government establishments primarily engaged in criminal and civil law enforcement, police, traffic safety, and similar activities related to the enforcement of law are classified in Industry 92212, Police Protection.

NAICS Codes that fall under 56161 - Investigation, Guard, and Armored Car Services