| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| HALVARD THORSEN AS CVR 916734662 | BoardBoard of Directors | Since 2023 | — | Active |
| AKER HORIZONS ASA CVR 925978558 | OwnerLegal Owner | Since 2023 | 0.0% | Active |
| NORDENGEN VVS AS CVR 915073891 | BoardChairman | Since 2021 | — | Active |
| GRANDAHL RØR AS CVR 931940236 | BoardBoard of Directors | Since 2023 | — | Active |
| ELEKTRISK AS CVR 970994149 | BoardBoard of Directors | Since 2024 | — | Active |
| MEDBY AS CVR 885873782 | BoardChairman | Since 2023 | — | Active |
| VVS INSTALLASJON INNLANDET AS CVR 930307572 | BoardBoard of Directors | Since 2022 | — | Active |
| RAKS AS CVR 911978199 | ManagementChief Executive Officer | Since 2013 | — | Active |
| CHRISTIANIA RØRLEGGERBEDRIFT AS CVR 916054270 | BoardChairman | Since 2022 | — | Active |
| CHRISTIANIA RØRLEGGERBEDRIFT AS CVR 919194367 | BoardChairman | Since 2022 | — | Active |
| CHRISTIANIA RØRLEGGERBEDRIFT AS CVR 927367270 | BoardChairman | Since 2022 | — | Active |
| ISTECH AS CVR 932532522 | BoardChairman | Since 2023 | — | Active |
| INSTALCO NORGE AS CVR 933792544 | BoardChairman | Since 2024 | — | Active |
| PROTEK VVS AS CVR 933804127 | BoardBoard of Directors | Since 2024 | — | Active |
| VITO TEKNISK ENTREPRENØR AS CVR 884260922 | BoardChairman | Since 2021 | — | Active |
| ROMERIKE RØR AS CVR 941186823 | BoardChairman | Since 2022 | — | Active |
| INVA ENGINEERING AS CVR 956409705 | BoardChairman | Since 2021 | — | Active |
| HAUG OG RUUD VVS AS CVR 914737613 | BoardChairman | Since 2023 | — | Active |
| MANGLERUD RØRLEGGERBEDRIFT AS CVR 990400970 | BoardBoard of Directors | Since 2025 | — | Active |
| CHRISTIANIA RØRLEGGERBEDRIFT AS CVR 912069370 | BoardChairman | Since 2022 | — | Active |
| ROMERIKE ELEKTRO AS CVR 991777199 | ManagementChief Executive Officer | Since 2019 | — | Active |
| ROMERIKE ELEKTRO AS CVR 976494881 | BoardChairman | Since 2022 | — | Active |
| KLIMATEKNIKK OSLO AS CVR 987455233 | BoardBoard of Directors | Since 2025 | — | Active |
| FRØLAND & NOSS ELEKTRO AS CVR 977349990 | BoardBoard of Directors | Since 2024 | — | Active |
| PEXIP HOLDING ASA CVR 919850175 | OwnerLegal Owner | Since 2023 | 0.0% | Active |
| MOI RØR AS CVR 971004525 | BoardBoard of Directors | Since 2024 | — | Active |
| ANDERSEN OG AKSNES RØRLEGGERBEDRIFT AS CVR 911978261 | BoardChairman | Since 2022 | — | Active |
| RØRTEFT AS CVR 975983862 | BoardChairman | Since 2022 | — | Active |
| LYSTEKNIKK ELEKTROENTREPRENØR AS CVR 995971135 | BoardChairman | Since 2023 | — | Active |
| METRO RØRLEGGERSERVICE AS CVR 888847642 | BoardChairman | Since 2021 | — | Active |
| LUND ELEKTRO AS CVR 929549554 | BoardBoard of Directors | Since 2024 | — | Active |
| TEKNISK VENTILASJON AS CVR 980217345 | BoardBoard of Directors | Since 2024 | — | Active |
| URD KLIMA OPPDAL AS CVR 985225702 | BoardChairman | Since 2022 | — | Active |
| A OG A HOLDING AS CVR 911978245 | BoardBoard of Directors | Since 2026 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| INTEC NORGE ØST AS CVR 928429032 | BoardBoard of Directors | 2023 – 2025 | — | Active |
| TOTAL VVS AS CVR 997275160 | BoardChairman | 2021 – 2025 | — | Active |
| ELEKTRIKER'N ASKER AS CVR 917890633 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| GREVSTAD & TVEDT VVS AS CVR 920215742 | BoardBoard of Directors | 2024 – 2025 | — | Active |
| BAKKE EL-INSTALLASJON AS CVR 952438360 | BoardChairman | 2023 – 2025 | — | Active |
| VENTEC AS CVR 957698085 | BoardChairman | 2023 – 2025 | — | Active |
| URD KLIMA OPPDAL AS CVR 980520560 | BoardChairman | 2022 – 2025 | — | Active |
| URD KLIMA SANDNES AS CVR 980608646 | BoardChairman | 2023 – 2025 | — | Active |
| RIKELEKTRO AS CVR 991320164 | BoardChairman | 2022 – 2025 | — | Active |
| HAUG OG RUUD AS CVR 913013999 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| IMES AS CVR 930050415 | BoardChairman | 2022 – 2024 | — | Active |
| JB ELEKTRO AS CVR 999027903 | BoardChairman | 2022 – 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Deputy Member | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Chairman | 1company | View profile | |
JB Jan Buch | Chief Executive Officer | 1company | View profile |
| Chief Executive Officer | 1company | View profile |