This U.S. industry comprises establishments primarily engaged in providing guard and patrol services, such as bodyguard, guard dog, and parking security services.

• Body guard services
• Guard dog services
• Guard services
• Parking security services
• Patrol services, security
• Personal protection services (except security systems services)
• Property protection services (except armored car, security systems)
• Protection services (except armored car, security systems), personal or property
• Protective guard services
• Security guard services
• Security patrol services