| 81.1 | COMBINED FACILITIES SUPPORT ACTIVITIES |
| Class | The name of the class |
| 81.10 | Combined facilities support activities |
| 81.2 | CLEANING ACTIVITIES |
| Class | The name of the class |
| 81.21 | General cleaning of buildings |
| 81.22 | Other building and industrial cleaning activities |
| 81.29 | Other cleaning activities |
| 81.3 | LANDSCAPE SERVICE ACTIVITIES |
| Class | The name of the class |
| 81.30 | Landscape service activities |