| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| AF HAUKJEM & ONSRUD AS CVR 991488014 | BoardBoard of Directors | Since 2007 | — | Active |
| FRANKE ONSRUD EIENDOM AS CVR 815008162 | BoardBoard of Directors | Since 2010 | — | Active |
| DYRSKUEVEGEN 22 AS CVR 914531276 | BoardBoard of Directors | Since 2018 | — | Active |
| KJELSÅSVEIEN 170 AS CVR 915626920 | BoardChairman | Since 2015 | — | Active |
| FRANKE ONSRUD INVEST AS CVR 919788550 | BoardBoard of Directors | Since 2017 | — | Active |
| FREDRIKKE ONSRUD HOLDING AS CVR 920126715 | BoardChairman | Since 2017 | — | Active |
| OSLO HÅNDVERKS- OG INDUSTRIFORENING CVR 940472784 | BoardBoard of Directors | Since 2022 | — | Active |
| FRANKE ONSRUD BLIKKSLAGERI AS CVR 948310082 | BoardChairman | Since 2017 | — | Active |
| OPPLÆRINGSKONTORET FOR VENTILASJONS- OG BLIKKENSLAGERFAGET OSLO OG OMEGN CVR 987563699 | BoardBoard of Directors | Since 2026 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 2companies | View profile | |
| Chairman | 2companies | View profile | |
| Board of Directors | 1company | View profile | |
| Chairman | 1company | View profile |