| ARNE INGAR BOSSUM CVR 911600064 | OwnerOwner | Siden 2013 | — | Aktiv |
| ONSØY REGNSKAP AS CVR 913156323 | ManagementChief Executive Officer | Siden 2014 | — | Aktiv |
| BOSSUM MASKIN AS CVR 914065232 | BoardChairman | Siden 2014 | — | Aktiv |
| ØSTFOLD HVALFANGER KLUBB CVR 919151447 | OtherBusiness Manager | Siden 2021 | — | Aktiv |
| NORSK SKYTESENTER AS CVR 921863586 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
| HOLME BYGG AS CVR 923208216 | BoardBoard of Directors | Siden 2019 | — | Aktiv |
| BOSSUM ARNE INGAR CVR 970934049 | OwnerOwner | Siden 1995 | — | Aktiv |
| ATLAS SERVICES AS CVR 988993417 | OtherDeputy Member | Siden 2011 | — | Aktiv |
| SAMEIET GRANÅS 2, 4, 6 OG 8 CVR 920480373 | OtherContact Person | Siden 2018 | — | Aktiv |
| ONSØY HISTORIELAG CVR 995833883 | BoardChairman | Siden 2025 | — | Aktiv |
| BECO LAGER AS CVR 892189692 | BoardChairman | Siden 2020 | — | Aktiv |
| BECO AS CVR 829222442 | BoardChairman | Siden 2020 | — | Aktiv |
| ØIVIND KARLSEN HOLDING AS CVR 991681868 | OtherContact Person | Siden 2021 | — | Aktiv |
| FISKÅ MØLLE RÅDE AS CVR 915613713 | BoardBoard of Directors | Siden 2022 | — | Aktiv |
