Industry: 7381—Detective, Guard, and Armored Car Services
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 serviceInvestigators, private
Detective agenciesLie detection service
Dogs, rental of: for protective servicePolygraph service
Fingerprint serviceProtective service, guard
Guard serviceSecurity guard service
Codes Titles Number of US Businesses
7381Detective and Armored Car Services29,113
738100Detective and armored car services2,936
73810000Detective and armored car services2,936
738101Guard services16,740
73810100Guard services9,292
73810101Armored car services641
73810102Burglary protection service82
73810103Guard dog rental60
73810104Protective services, guard1,206
73810105Security guard service5,459
738102Detective services9,437
73810200Detective services754
73810201Detective agency708
73810202Fingerprint service163
73810203Lie detection service247
73810204Private investigator7,565