| KORTBØLGEN 9 EIENDOM AS CVR 918097236 | BoardBoard of Directors | Since 2023 | — | Active |
| OPTIMAL AS CVR 919205288 | BoardBoard of Directors | Since 2017 | — | Active |
| OPTIMAL UTLEIE AS CVR 919205687 | BoardBoard of Directors | Since 2017 | — | Active |
| AK KRAN OG TRANSPORT AS CVR 990424187 | ManagementChief Executive Officer | Since 2006 | — | Active |
| AK BYGG OG EIENDOM AS CVR 991038620 | BoardChairman | Since 2016 | — | Active |
| RTC HOLDING AS CVR 992011440 | BoardChairman | Since 2011 | — | Active |
| MARTINSEN OG JOHANSEN DA CVR 993767026 | OwnerParticipant With Pro Rata Responsibility (Shared Responsibility) | Since 2009 | — | Active |
| KORSHAMN EIENDOM AS CVR 994880233 | BoardBoard of Directors | Since 2022 | — | Active |
| AK GRUPPEN AS CVR 996414388 | OtherDeputy Member | Since 2011 | — | Active |
| JNG LAGER EIENDOM AS CVR 933361772 | BoardBoard of Directors | Since 2024 | — | Active |
| KORSHAMN DRIFTSSELSKAP AS CVR 994353101 | BoardBoard of Directors | Since 2011 | — | Active |
| AK MEKANISKE AS CVR 984011202 | BoardChairman | Since 2011 | — | Active |