| Avent Installation AB CVR 5561683870 | BoardBoard of Directors | 2020 – 2021 | — | Dissolved |
| Sydsvenska Elanläggningar SSE Aktiebolag CVR 5561991349 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Tofta Plåt & Ventilation Aktiebolag CVR 5562446368 | BoardBoard of Directors | 2023 – 2025 | — | Active |
| Ventilationsförbättringar i Malmö Aktiebolag /VFB AB/ CVR 5562563279 | BoardBoard of Directors | 2020 – 2025 | — | Active |
| Elpågarna i Malmö Aktiebolag CVR 5563831675 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Rörman i Svedala Aktiebolag CVR 5564644812 | BoardBoard of Directors | 2021 – 2022 | — | Dissolved |
| Lampans Elinstallationer Aktiebolag CVR 5564784667 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| AVENT Drift & Innemiljö AB CVR 5565679072 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| BOGESUNDS EL & TELE AB CVR 5565859815 | BoardBoard of Directors | 2023 – 2025 | — | Active |
| Calmarsunds VVS AB CVR 5565885463 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Elinstallationer Ullsand, Bengtsson AB CVR 5566699509 | BoardBoard of Directors | 2020 – 2024 | — | Active |
| Elinstallationer i Karlshamn AB CVR 5566911839 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Nässjö Teknikprojektering AB CVR 5567309108 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| BI-Vent AB CVR 5567415822 | BoardBoard of Directors | 2021 – 2025 | — | Active |
| Elektro-Centralen Entreprenad Hisings Backa AB CVR 5567777890 | BoardBoard of Directors | 2021 – 2025 | — | Active |
| Avent K AB CVR 5568865074 | BoardBoard of Directors | 2020 – 2022 | — | Dissolved |
| Insta El Syd AB CVR 5591740781 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Sprinklerbolaget Syd i Helsingborg AB CVR 5591743603 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| INTEC Göteborg AB CVR 5593942385 | BoardBoard of Directors | 2022 – 2026 | — | Active |
| INMATIQ Nord AB CVR 5594744103 | BoardBoard of Directors | 2024 – 2024 | — | Active |