| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Blomquist Ventilation AB CVR 5563224053 | BoardBoard of Directors | Since 2021 | — | Active |
| Gävle Brunnsborrning AB CVR 5565535795 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| DALAB Sverige AB CVR 5566389929 | BoardBoard of Directors | Since 2022 | — | Active |
| Grubb & Cronvall VVS & Energi Teknik AB CVR 5566393442 | BoardBoard of Directors | Since 2020 | — | Active |
| Energibrunnar Nord AB CVR 5566619036 | BoardBoard of Directors | Since 2023 | — | Active |
| Energi & Driftteknik Nord AB CVR 5567052385 | ManagementChief Executive Officer | Since 2019 | — | Dissolved |
| Blomquist Kylteknik AB CVR 5567442495 | BoardBoard of Directors | Since 2023 | — | Active |
| Blomquist Rör AB CVR 5567449193 | BoardBoard of Directors | Since 2023 | — | Active |
| Miljöventilation i Mellannorrland AB CVR 5567483374 | BoardBoard of Directors | Since 2020 | — | Active |
| Milen Ventilation AB CVR 5569637258 | BoardBoard of Directors | Since 2021 | — | Active |
| Blomquist gruppen AB CVR 5593401432 | BoardBoard of Directors | Since 2022 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Termino C 13843 AB CVR 5569957789 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Chief Auditor | 3companies | View profile | |
| Board of Directors | 3companies | View profile | |
| Chairman | 3companies | View profile | |
| Audit | 2companies | View profile | |
| Chief Executive Officer | 2companies | View profile |