| MSI-EL Motala Ströms Installation AB CVR 5560394032 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| AB El & Säkerhet Sörmland CVR 5562422468 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| Rörmokaren i Kolmården Aktiebolag CVR 5564665270 | BoardBoard of Directors | 2021 – 2026 | — | Active |
| Ventpartner i Östergötland AB CVR 5564930328 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| VallaCom AB CVR 5565049607 | BoardBoard of Directors | 2024 – 2026 | — | Active |
| Aquadus VVS AB CVR 5565831798 | BoardBoard of Directors | 2021 – 2026 | — | Active |
| RÖRTEMA I NYKÖPING AB CVR 5566112255 | BoardBoard of Directors | 2020 – 2026 | — | Active |
| MSI-Järn AB CVR 5566120571 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| Installationsservice Nicklas Eriksson AB CVR 5566501366 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| MSI-Rör AB CVR 5566533930 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| FTX teknik & service AB CVR 5567389357 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| Boman El & Larmtjänst i Norrköping AB CVR 5567405948 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| VentPartner i Värmland AB CVR 5567847198 | OtherExternal Signatory | 2025 – 2026 | — | Active |
| Larm & Teleteknik i Motala AB CVR 5568748692 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| Lincom AB CVR 5568980477 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| VentPartner i Närke AB CVR 5569088783 | OtherExternal Signatory | 2025 – 2026 | — | Active |
| VentPartner Sverige AB CVR 5569802084 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| VentPartner i Västmanland AB CVR 5590010533 | OtherExternal Signatory | 2025 – 2026 | — | Active |
| Solyx AB CVR 5592627151 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| Ohmegi RS AB CVR 5593957995 | BoardBoard of Directors | 2022 – 2026 | — | Active |
