| IBECO Ingenjörsfirma F. Berglund & Co Aktiebolag CVR 5561203828 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Svanesunds Rör Aktiebolag CVR 5561258269 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Elteknik T. Mielonen Aktiebolag CVR 5562053180 | BoardBoard of Directors | 2021 – 2022 | — | Dissolved |
| ABAT AB CVR 5563140820 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Dala Kommunalteknik Aktiebolag CVR 5563377323 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Proco Services AB CVR 5565884755 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Nordiska VA Teknik AB CVR 5566210208 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| ELVA ProcessAutomation AB CVR 5567090617 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Emendo AB CVR 5567169585 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Avvatech Vatten & Miljöteknik AB CVR 5567388953 | BoardBoard of Directors | 2024 – 2024 | — | Active |
| ASB VA-automation AB CVR 5567495576 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Aquasvea AB CVR 5567925887 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| NoFo 4 AB CVR 5568053184 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Nordiska VA Teknik Holding AB CVR 5568249121 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Uniwater AB CVR 5569827065 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Wåge Nordiska AB CVR 5590413067 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Proco Innovation AB CVR 5591653406 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Rostfria VA-system Sverige AB CVR 5592711369 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Industri & Bygginstallationer i Norden AB CVR 5593817967 | BoardBoard of Directors | 2022 – 2024 | — | Active |
