- Building installation technology and building systems engineering
- Lighting
- Heating systems, air conditioning technology, ventilation
- Power engineering
- Automation technology
- Transmitting and receiving technology, wide-band distribution technology
- Information and communication technology, office equipment, office automation
- Protective and safety systems
- Measuring instruments and test equipment, metrology, sensors
- Components, modular assemblies, transformers, drive systems
- Facility Management
- Service
- Training and coaching