| Class | Class Name |
|---|---|
| 37 | building repair |
| 37 | building sealing |
| 37 | building services |
| 37 | burglar alarm installation and repair |
| 37 | burner maintenance and repair |
| 37 | cabin cleaning services |
| 37 | cable laying |
| 37 | car cleaning services |
| 37 | car inspection prior to repair or maintenance |
| 37 | car lubrication services |
| 37 | car maintenance |
| 37 | car valet services |
| 37 | carpentry |
| 37 | carpentry services |
| 37 | carpet and floor cleaning services |
| 37 | carpet cleaning |
| 37 | carpet fitting |
| 37 | carpet, floor and wall covering installation services |
| 37 | carpet laying |
| 37 | cell phone battery charging services |
| 37 | charging of electric vehicles |
| 37 | chimney sweeping |
| 37 | civil construction services |
| 37 | civil engineering construction |
| 37 | civil engineering [construction] consultancy |
| 37 | cleaning of aircraft and airport facilities |
| 37 | cleaning of aircraft, flight deck and cabin windows |
| 37 | cleaning of airport (both exterior and interior) |
| 37 | cleaning of bath boiler |
| 37 | cleaning of bath tubs |
| 37 | cleaning of buildings |
| 37 | cleaning of buildings (exterior and interior) |
| 37 | cleaning of buildings [exterior surface] |
| 37 | cleaning of buildings [interior] |
| 37 | cleaning of buildings (internal and external) |
| 37 | cleaning of carpets |
| 37 | cleaning of chimney |
| 37 | cleaning of clothes |
| 37 | cleaning of clothing |
| 37 | cleaning of clothing and other textile products |
| 37 | cleaning of hotels |
| 37 | cleaning of industrial plant |
| 37 | cleaning of liquid crystal display manufacturing, processing and production machines |
| 37 | cleaning of road |
| 37 | cleaning of semiconductor manufacturing, processing and production equipment |
| 37 | cleaning of sewage disposal tank |
| 37 | cleaning of storage tank |
| 37 | cleaning of the exterior and interior of buildings |
| 37 | cleaning of the walls of buildings |
| 37 | cleaning of toilet facilities |
