| Company | Role | Period | Ownership | Status |
|---|
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| SONNE HOLDING ApS CVR 10096510 | OtherFounder | 2002 – 2024 | — | Dissolved |
| Arndt & Sonne v/Thorkild Arndt Nielsen og Peter Sonne CVR 25785568 | OtherStakeholder | 2001 – 2002 | — | Active |
| E & H TECHNIQUE ApS CVR 26811805 | ManagementManagement | 2002 – 2018 | — | Dissolved |
| BIOSTEAM ENERGY ApS CVR 32788149 | ManagementManagement | 2010 – 2010 | — | Dissolved |
| ENERGY & HEATING TECHNIQUE ApS CVR 32842232 | ManagementManagement | 2010 – 2014 | — | Dissolved |
| IWTS Skandinavien ApS CVR 36949902 | BoardBoard of Directors | 2015 – 2018 | — | Dissolved |
| D. H. Energi ApS CVR 39824663 | BoardBoard of Directors | 2018 – 2024 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Management | 2companies | View profile | |
| Stakeholder | 1company | View profile | |
| Unofficial title | 1company | View profile | |
| Chairman | 1company | View profile | |
| Board of Directors | 1company | View profile |