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 Services29,347
738100Detective and armored car services3,446
73810000Detective and armored car services3,446
738101Guard services16,487
73810100Guard services10,503
73810101Armored car services592
73810102Burglary protection service90
73810103Guard dog rental61
73810104Protective services, guard1,221
73810105Security guard service4,020
738102Detective services9,414
73810200Detective services997
73810201Detective agency719
73810202Fingerprint service161
73810203Lie detection service252
73810204Private investigator7,285