| SECTION N : ADMINISTRATIVE AND SUPPORT SERVICE ACTIVITIES |
| Division 80 : Security and investigation activities |
| Group | Class | Sub-class | Description |
| 801 | | | Private security activities |
| | 8010 | | Private security activities |
| | | | This class includes armored car services, bodyguard services security guard services, polygraph services, finger printing services and other private security services |
| | | 80100 | Private security activities |
| 802 | | | Security systems service activities |
| | 8020 | | Security systems service activities |
| | | | This class includes monitoring or remote monitoring of electronic security alarm systems, such as burglar and fire alarms, including their maintenance. Installing, repairing, rebuilding, and adjusting mechanical or electronic locking devices and selling of such security systems. |
| | | 80200 | Security systems service activities |
| 803 | | | Investigation activities |
| | 8030 | | Investigation activities |
| | | | This class includes investigation and detective services and the activities of all private investigators |
| | | 80300 | Investigation activities |