| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| SKAUGEN BLIKK & VENTILASJON AS CVR 923034218 | BoardBoard of Directors | Since 2024 | — | Active |
| ASSEMBLIN AS CVR 912543005 | BoardBoard of Directors | Since 2019 | — | Active |
| GJØVIK VARME OG SANITÆR AS CVR 917593663 | BoardBoard of Directors | Since 2022 | — | Active |
| FJORDEN ELEKTRO AS CVR 921342047 | BoardBoard of Directors | Since 2023 | — | Active |
| ASSEMBLIN AS CVR 923137327 | BoardBoard of Directors | Since 2024 | — | Active |
| ASSEMBLIN ELEKTRO AS CVR 930819751 | BoardBoard of Directors | Since 2023 | — | Active |
| ASSEMBLIN CAVERION NORGE AS CVR 943623341 | BoardBoard of Directors | Since 2025 | — | Active |
| HALLINGDAL VARME & SANITÆR AS CVR 950363576 | BoardBoard of Directors | Since 2021 | — | Active |
| ASSEMBLIN VENTILASJON AS CVR 965123385 | BoardBoard of Directors | Since 2021 | — | Active |
| RAMSØY AS CVR 979125321 | BoardBoard of Directors | Since 2022 | — | Active |
| HEMSEDAL VVS AS CVR 981574982 | BoardBoard of Directors | Since 2021 | — | Active |
| INGENIØRFIRMAET R. TORGERSEN AS CVR 987396245 | BoardBoard of Directors | Since 2023 | — | Active |
| RØRLEGGER STRAND & CO AS CVR 997392825 | BoardBoard of Directors | Since 2024 | — | Active |
| GJØVIK VARME OG SANITÆR AS CVR 998491487 | BoardBoard of Directors | Since 2022 | — | Active |
| ÅGE NILSEN AS CVR 980860825 | BoardBoard of Directors | Since 2025 | — | Active |
| HALLINGDAL VARME & SANITÆR AS CVR 984058039 | BoardBoard of Directors | Since 2022 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Chief Executive Officer | 2companies | View profile | |
| Chief Executive Officer | 2companies | View profile | |
| Chairman | 2companies | View profile | |
| Chairman | 1company | View profile | |
| Chairman | 1company | View profile |