| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| RØRLEGGER HAMAR AS CVR 929447530 | BoardChairman | Since 2025 | — | Active |
| VINDEREN GRUPPEN AS CVR 933424197 | ManagementChief Executive Officer | Since 2025 | — | Active |
| STORM SIKKERHET AS CVR 987198206 | BoardBoard of Directors | Since 2023 | — | Active |
| BÆRUMS VERK RØRLEGGERBEDRIFT AS CVR 995961032 | BoardChairman | Since 2025 | — | Active |
| RØRPARTNER VARME & SANITÆR AS CVR 934961722 | BoardChairman | Since 2025 | — | Active |
| VINDEREN ELEKTRO AS CVR 914973414 | BoardChairman | Since 2025 | — | Active |
| VINDEREN BAD OG VÅTROM AS CVR 923761136 | BoardChairman | Since 2025 | — | Active |
| VINDEREN RØR AS CVR 995123126 | BoardChairman | Since 2025 | — | Active |
| KRISTIANSEN RØRSERVICE AS CVR 934936779 | BoardChairman | Since 2025 | — | Active |
| RØRLEGGERMESTER SVEIN OLSEN & SØNNER AS CVR 982163706 | BoardChairman | Since 2025 | — | Active |
| FLATAKER GRUPPEN AS CVR 963443811 | BoardChairman | Since 2025 | — | Active |
| VVS-MILJØ AS CVR 966509287 | BoardChairman | Since 2025 | — | Active |
| OL TO VVS AS CVR 983232108 | BoardChairman | Since 2025 | — | Active |
| RØRFUNN AS CVR 974437589 | BoardChairman | Since 2025 | — | Active |
| HUSTADGRUPPEN AS CVR 977374669 | BoardChairman | Since 2025 | — | Active |
| NORDSVEEN VVS AS CVR 932527073 | ManagementChief Executive Officer | Since 2023 | — | Active |
| ANTER MIDCO AS CVR 934016211 | OtherContact Person | Since 2025 | — | Active |
| ANTER AS CVR 934016297 | ManagementChief Executive Officer | Since 2025 | — | Active |
| SYRAX HOLDING AS CVR 934331583 | ManagementChief Executive Officer | Since 2024 | — | Active |
| HAMAR RØRLEGGERBEDRIFT AS CVR 919802154 | BoardChairman | Since 2024 | — | Active |
| OLTO VARMEPUMPESERVICE AS CVR 915521533 | BoardChairman | Since 2025 | — | Active |
| AGDER VANN OG AVLØPSTEKNIKK AS CVR 933574172 | BoardChairman | Since 2025 | — | Active |
| ASBJØRN NORDSVEEN AS CVR 963153686 | ManagementChief Executive Officer | Since 2023 | — | Active |
| ENERGISENTRUM AS CVR 940712025 | BoardBoard of Directors | Since 2026 | — | Active |
| FOLDVIK RØRLEGGERFORRETNING AS CVR 883361792 | BoardChairman | Since 2026 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| VVS ØST AS CVR 927982943 | BoardBoard of Directors | 2023 – 2023 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Board of Directors | 2companies | View profile | |
| Chief Executive Officer | 2companies | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Legal Owner | 1company | View profile |