| Class | Class Name |
|---|---|
| 37 | disinfecting of telephone hand-sets |
| 37 | dismantling of industrial plant |
| 37 | dismantling of power lines |
| 37 | dredging |
| 37 | drilling |
| 37 | drilling and pumping of oil |
| 37 | drilling for crude oil |
| 37 | drilling of deep oil or gas wells |
| 37 | drilling of wells |
| 37 | dry cleaning |
| 37 | dry cleaning of clothing and other textile products |
| 37 | dry cleaning services |
| 37 | drying of clothing and other textile products |
| 37 | earthmoving |
| 37 | electric and electronic appliance installation, maintenance and repair |
| 37 | electric appliance installation |
| 37 | electric appliance installation and repair |
| 37 | electrical wiring services |
| 37 | elevator installation and repair |
| 37 | erection of steel structures |
| 37 | excavating |
| 37 | excavating, drainage and dredging for construction development |
| 37 | factory construction |
| 37 | film projector repair and maintenance |
| 37 | fire alarm installation and repair |
| 37 | fitting of furniture and wooden furniture for living rooms and bedrooms |
| 37 | fitting services relating to furniture and locking apparatus |
| 37 | floor polishing |
| 37 | fracking services |
| 37 | freezing equipment installation and repair |
| 37 | fumigating services |
| 37 | fumigation (other than for agriculture) |
| 37 | fur care |
| 37 | fur care, cleaning and repair |
| 37 | furnace installation |
| 37 | furnace installation and repair |
| 37 | furnace maintenance and repair |
| 37 | furniture installation |
| 37 | furniture maintenance |
| 37 | furniture maintenance and restoration |
| 37 | furniture repair |
| 37 | furniture restoration |
| 37 | furniture restoration or maintenance |
| 37 | glazing (glasswork) |
| 37 | glazing services for buildings |
| 37 | greasing, lubrication and tuning of motors and engines |
| 37 | harbour construction |
| 37 | heating apparatus installation and repairing services |
| 37 | heating equipment installation and repair |
| 37 | hire of building equipment |
