Services
- Gas, water and heating installation inspection and maintenance
- Electrical wiring work
- Electrical fitting work
- Electrical wiring and fitting work
- Lightning-conductor installation work
- Electrical engineering installation works
- Electrical installation
- Electricity - works
- Other electrical installation work
- Low voltage (LV) system installation
- Electrical power installation contractors, industrial premises
- Electrical power installation contractors for residential and commercial buildings
- Lightning conductor system installation
- Electric lighting installation contractors, industrial and commercial premises
- Electric and electronic clock installation
- Boiler installation work
- District heating and hot water supply operators
- Electrical installation work
- Electrical installation
- Heating, repair services
- Steam heating, systems (suppliers of heat)
- Heating systems, cleaning and repair
- Heating systems, repair and maintenance