- E.ON (Electric power utility)
- Vattenfall (Electric power utility)
- Göteborg Energi (Electric power utility)
- Fortum (Electric power utility)
- SVK (Swedish state utility)
- OKG (Nuclear power plant)
- E.ON Vindprojektering Sverige (Wind farm contractor)
- ABB (Manufacturer)
- VG Power (Generator rehabilitation)
- Eskilstuna Energi & Miljö (Energy & recycling)
- Renova (Energy & recycling)
- Södra Cell (Pulp & Paper)
- Vämlands Landsting (Hospital)
- Elforsk (R&D Institute)
- STF Ingenjörsutbildning (Education institute)
- Chalmers University of Technology (University)
- Lund University of Technology (University)
- Ringhals (Nuclear power plant)
- WPD Scandinavia (Wind power projects)
- Swedish Energy Agency (R&D Institute)
- ES (Contracting company)
- ESKOM (Electric power utility)
- Forsmark (Nuclear power plant)
- Ringsjö Energi (Electric power utility)
- IUC (Education institute)
- Statkraft Sverige (Hydropower plants)
- Södra Vindkraft (Windpower projects)
- Hexaformer (Manufacturer transformers)
- Gulsele (Hydropower plants)
- Vestas Wind Systems (Manufacturer windturbines)