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 Services29,119
738100Detective and armored car services3,322
73810000Detective and armored car services3,322
738101Guard services16,263
73810100Guard services10,268
73810101Armored car services611
73810102Burglary protection service88
73810103Guard dog rental63
73810104Protective services, guard1,256
73810105Security guard service3,977
738102Detective services9,534
73810200Detective services1,034
73810201Detective agency754
73810202Fingerprint service156
73810203Lie detection service261
73810204Private investigator7,329