| Top level - Standard
Industrial Classification TOL 2008 |
| |
| N |
Administrative and support service
activities |
| 80 | Security and investigation activities |
| 801 | Private security activities |
| 8010 | Private security activities |
| 80100 | Private security activities |
| 802 | Security systems service activities |
| 8020 | Security systems service activities |
| 80200 | Security systems service activities |
| 803 | Investigation activities |
| 8030 | Investigation activities |
| 80300 | Investigation activities |