Establishments primarily engaged in providing detective, guard, and armored car services. Establishments primarily engaged in monitoring and maintaining security systems devices, such as burglar and fire alarms, are classified in Industry 7382.
- Armored car service
- Detective agencies
- Dogs, rental of: for protective service
- Fingerprint service
- Guard service
- Investigators, private
- Lie detection service
- Polygraph service
- Protective service, guard
- Security guard service