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 service | Investigators, private |
| Detective agencies | Lie detection service |
| Dogs, rental of: for protective service | Polygraph service |
| Fingerprint service | Protective service, guard |
| Guard service | Security guard service |
| Codes |
Titles | Total Marketable US Businesses |
| 73810000 | Detective and armored car services | 1,828 |
| 73810100 | Guard services | 6,660 |
| 73810101 | Armored car services | 539 |
| 73810102 | Burglary protection service | 72 |
| 73810103 | Guard dog rental | 39 |
| 73810104 | Protective services, guard | 1,073 |
| 73810105 | Security guard service | 9,512 |
| 73810200 | Detective services | 374 |
| 73810201 | Detective agency | 475 |
| 73810202 | Fingerprint service | 270 |
| 73810203 | Lie detection service | 142 |
| 73810204 | Private investigator | 9,631 |
