| 85330 | General cleaning of office buildings | |
| 85330 | General cleaning services | |
| 54121 | General construction of agricultural buildings | |
| 54122 | General construction of air terminals | |
| 54210 | General construction of airfield aprons | |
| 54210 | General construction of airfield runways | |
| 54210 | General construction of airfield taxiways | |
| 54252 | General construction of antennas | |
| 54230 | General construction of aqueducts | |
| 54129 | General construction of archives | |
| 54122 | General construction of banks | |
| 54230 | General construction of barrages | |
| 54270 | General construction of beach installations | |
| 54210 | General construction of bicycle paths | |
| 54260 | General construction of blast furnaces | |
| 54270 | General construction of boat basins | |
| 54230 | General construction of boat lifts | |
| 54129 | General construction of boat sheds | |
| 54129 | General construction of boxing rings | |
| 54210 | General construction of cable car systems | |
| 54260 | General construction of chemical plants | |
| 54129 | General construction of churches | |
| 54129 | General construction of cinemas | |
| 54260 | General construction of coke ovens | |
| 54129 | General construction of colleges | |
| 54129 | General construction of concert halls | |
| 54210 | General construction of control systems for railway tracks | |
| 54230 | General construction of dams | |
| 54129 | General construction of dance halls | |
| 54260 | General construction of discharging stations | |
| 54230 | General construction of docks | |
| 54230 | General construction of dry docks | |
| 54220 | General construction of elevated highways | |
| 54230 | General construction of floodgates | |
| 54210 | General construction of foot paths | |
| 54210 | General construction of funicular railways | |
| 54270 | General construction of golf courses | |
| 54129 | General construction of gymnasiums | |
| 54129 | General construction of hospitals | |
| 54129 | General construction of hostels | |