3. The energy market and emissions trading
3.1 Energy trading
3.3 Measuring and long-distance reading
3.4 Emissions trade
3.7 Electricity trading
3.8 Electricity exchange

7. Energy effiency and energy saving
7.1 Energy inspections and consulting
7.2 Energy saving services
7.3 Energy saving contracts
7.4 Energy certificates
7.6 Softwares and information systems

9. Design and consultancy services
9.2 Consulting
9.4 Techinical professional services
9.5 Research- and development operation