| SERWENT HØYTRYKK OG VEDLIKEHOLDSSERVICE AS CVR 927727013 | ManagementChief Executive Officer | Siden 2024 | — | Aktiv |
| A INVESTERING II AS CVR 833882252 | BoardChairman | Siden 2024 | — | Aktiv |
| RAL INVESTERING AS CVR 921139055 | BoardBoard of Directors | Siden 2018 | — | Aktiv |
| XPLORIT AS CVR 924504846 | OtherContact Person | Siden 2020 | — | Aktiv |
| A INVESTERING AS CVR 924570733 | ManagementChief Executive Officer | Siden 2020 | — | Aktiv |
| 17. MAI-KOMITEEN VARHAUG CVR 931191306 | BoardBoard of Directors | Siden 2025 | — | Aktiv |
| RØRINSPEKSJON - NORGE CVR 893807802 | BoardBoard of Directors | Siden 2025 | — | Aktiv |
| SERWENT BRDR GRØNNERUD AS CVR 912572188 | ManagementChief Executive Officer | Siden 2023 | — | Aktiv |
| SERWENT JTR GRUPPEN AS CVR 913364953 | ManagementChief Executive Officer | Siden 2015 | — | Aktiv |
| URHEIÅ AS CVR 924283661 | ManagementChief Executive Officer | Siden 2022 | — | Aktiv |
