| TELEMARK TECHNOLOGIES HOLDING AS CVR 914308798 | ManagementChief Executive Officer | Since 2014 | — | Active |
| SPELEMANNSLAGET BØHERINGEN CVR 918927131 | BoardBoard of Directors | Since 2018 | — | Active |
| FAU FOLKESTAD SKULE CVR 923828036 | BoardBoard of Directors | Since 2026 | — | Active |
| TELEMARK TECHNOLOGIES AS CVR 998657334 | ManagementChief Executive Officer | Since 2019 | — | Active |
| TELEMARK ECO TECHNOLOGIES AS CVR 998684366 | BoardChairman | Since 2026 | — | Active |
| TELEMARK TECHNOLOGIES WORKSHOP AS CVR 920353967 | ManagementChief Executive Officer | Since 2018 | — | Active |
| TORGEIR STRAAND CVR 987862971 | OwnerOwner | Since 2005 | — | Active |
| TIL TELEMARK AS CVR 995350998 | ManagementChief Executive Officer | Since 2014 | — | Active |
| TELEMARK ENERGY AS CVR 896917552 | ManagementChief Executive Officer | Since 2011 | — | Active |
| DAG OG TID AS CVR 911092417 | OwnerLegal Owner | Since 2025 | 0.0% | Active |
| VEST-TELEMARK BLAD AS CVR 925545872 | OwnerLegal Owner | Since 2025 | 0.0% | Active |