| BRUBAKKEN HOLDING AS CVR 992625619 | BoardBoard of Directors | Since 2025 | — | Active |
| CON-FORM GROUP AS CVR 976736311 | BoardChairman | Since 2025 | — | Active |
| REITEN & CO AS CVR 981225856 | BoardChairman | Since 2019 | — | Active |
| SAMEIET ARNSTEIN ARNEBERGS VEI 16 CVR 919143258 | BoardBoard of Directors | Since 2021 | — | Active |
| NARVE REITEN CVR 962208967 | ManagementChief Executive Officer | Since 1991 | — | Active |
| JBN PARTNER INVEST AS CVR 982331676 | BoardChairman | Since 2000 | — | Active |
| ANS MUNKEDAMMEN CVR 988325503 | OtherParticipant With Joint And Several Liability (Fully Responsible) | Since 2006 | — | Active |
| RCP VI INVEST AS CVR 991796320 | BoardChairman | Since 2007 | — | Active |
| R INVESTMENT COMPANY AS CVR 964233713 | BoardChairman | Since 2022 | — | Active |
| RITTER INDUSTRIER AS CVR 986030360 | BoardChairman | Since 2003 | — | Active |
| REITEN & CO BYGGET AS CVR 984577974 | BoardChairman | Since 2004 | — | Active |
| SAMEIET THOMAS HEFTYES GATE 31 CVR 981408551 | BoardBoard of Directors | Since 2023 | — | Active |
| NEOSENSO AS CVR 986543422 | OtherDeputy Member | Since 2010 | — | Active |
| REITEN & CO CAPITAL PARTNERS VI AS CVR 988863874 | BoardChairman | Since 2019 | — | Active |
| REITEN & CO CAPITAL PARTNERS VII AS CVR 991363025 | BoardChairman | Since 2019 | — | Active |
| VIKA PROSJEKT AS CVR 983482759 | BoardBoard of Directors | Since 2022 | — | Active |
| MASKINIA HOLDING AS CVR 992360240 | BoardBoard of Directors | Since 2026 | — | Active |