| Class | Class Name | 
|---|---|
| 37 | leather care, cleaning and repair | 
| 37 | leather care, cleaning and repair services | 
| 37 | letting of equipment for building purposes | 
| 37 | lift and elevator installation and repair | 
| 37 | lift installation and repair | 
| 37 | linen ironing | 
| 37 | linen ironing services | 
| 37 | lock installation, maintenance and repair | 
| 37 | loft clearance | 
| 37 | lubrication and greasing of vehicles | 
| 37 | machinery and equipment installation | 
| 37 | machinery installation and repair | 
| 37 | machinery installation, maintenance and repair | 
| 37 | machinery installation, maintenance and repair services | 
| 37 | maintenance and advisory services relating to building | 
| 37 | maintenance and repair of airport building facilities | 
| 37 | maintenance and repair of buildings | 
| 37 | maintenance and repair of buildings and constructions | 
| 37 | maintenance and repair of buildings and industrial plants | 
| 37 | maintenance and repair of communication systems | 
| 37 | maintenance and repair of computer hardware | 
| 37 | maintenance and repair of computers, data communications networks and data processing apparatus | 
| 37 | maintenance and repair of construction machinery and equipment | 
| 37 | maintenance and repair of driverless towing and carrier vehicles | 
| 37 | maintenance and repair of earth-moving and excavating machines | 
| 37 | maintenance and repair of electricity generators | 
| 37 | maintenance and repair of electronic apparatus | 
| 37 | maintenance and repair of electronic apparatus for the recording and storage of vehicle data | 
| 37 | maintenance and repair of facsimiles, scanners and printers | 
| 37 | maintenance and repair of factories | 
| 37 | maintenance and repair of fork lift trucks | 
| 37 | maintenance and repair of heating installations | 
| 37 | maintenance and repair of high rack stackers | 
| 37 | maintenance and repair of industrial apparatus | 
| 37 | maintenance and repair of industrial machinery | 
| 37 | maintenance and repair of infrared electronic devices, instruments and installations | 
| 37 | maintenance and repair of infrared electronics | 
| 37 | maintenance and repair of infrastructural plants relating to environmental business | 
| 37 | maintenance and repair of land vehicles | 
| 37 | maintenance and repair of lift trucks | 
| 37 | maintenance and repair of lift trucks with and without electric drive | 
| 37 | maintenance and repair of medical apparatus and instrument | 
| 37 | maintenance and repair of motor vehicles and parts of motor vehicles | 
| 37 | maintenance and repair of office machine and equipment | 
| 37 | maintenance and repair of office machines | 
| 37 | maintenance and repair of oil and gas pipeline | 
| 37 | maintenance and repair of photographic apparatus | 
| 37 | maintenance and repair of roof drainage systems | 
| 37 | maintenance and repair of safes | 
| 37 | maintenance and repair of safety devices |