| HYTECH NORSE OFFSHORE AS CVR 882106012 | BoardBoard of Directors | Since 2023 | — | Active |
| HYTECH RENTAL AS CVR 911916134 | ManagementChief Executive Officer | Since 2013 | — | Active |
| REFUEL JV 270 AS CVR 913129318 | BoardBoard of Directors | Since 2015 | — | Active |
| MTD NORDIC AS CVR 916132859 | BoardBoard of Directors | Since 2017 | — | Active |
| HOVELAND GÅRD V/ CATO ERGA CVR 917265593 | OwnerOwner | Since 2016 | — | Active |
| HYTECH ACCESS & INSPECTION AS CVR 929118251 | BoardBoard of Directors | Since 2022 | — | Active |
| HYTECH ENGINEERING & SERVICES AS CVR 979484127 | ManagementChief Executive Officer | Since 2023 | — | Active |
| HYTECH TRADING AS CVR 988283002 | BoardBoard of Directors | Since 2022 | — | Active |
| BR. ERGA AS CVR 998537665 | ManagementChief Executive Officer | Since 2012 | — | Active |
| HYTECH PERSONELL AS CVR 986906800 | BoardBoard of Directors | Since 2005 | — | Active |
| VÅR ENERGI ASA CVR 919160675 | OwnerLegal Owner | Since 2025 | 0.0% | Active |
| DNO ASA CVR 921526121 | OwnerLegal Owner | Since 2025 | 0.0% | Active |
| REACH SUBSEA ASA CVR 922493626 | OwnerLegal Owner | Since 2025 | 0.0% | Active |
| DOF GROUP ASA CVR 930053112 | OwnerLegal Owner | Since 2025 | 0.0% | Active |
| KONGSBERG GRUPPEN ASA CVR 943753709 | OwnerLegal Owner | Since 2025 | 0.0% | Active |
| HYTECH AS CVR 989199048 | OtherDeputy Member | Since 2012 | — | Active |