| Ingenjörsfirman Gösta Schelin Aktiebolag CVR 5560584939 | BoardBoard of Directors | 2020 – 2025 | — | Active |
| Elmontörerna Forsberg & Co Aktiebolag CVR 5561146134 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Pactor Luftbehandling Aktiebolag CVR 5562946417 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Stockholms Elpartner AB CVR 5563513885 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| Ventilationshygien Stockholm AB CVR 5564269040 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| J. Gullikssons El Aktiebolag CVR 5565622551 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Stockholms Styr-Team AB CVR 5565661724 | BoardBoard of Directors | 2025 – 2026 | — | Active |
| Elagent Stockholm AB CVR 5566158324 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Klimat-innovatören Stockholm AB CVR 5567266605 | BoardBoard of Directors | 2022 – 2023 | — | Dissolved |
| Ackduel Installation AB CVR 5567300982 | BoardBoard of Directors | 2024 – 2025 | — | Active |
| Rörett i Stockholm AB CVR 5569509309 | BoardBoard of Directors | 2024 – 2025 | — | Active |
| Installationsbolaget Stockholm AB CVR 5569783565 | BoardBoard of Directors | 2024 – 2025 | — | Active |
| Elkalkyl och Elprojektering i Sverige AB CVR 5569880684 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Reglerab AB CVR 5569880718 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Currentum Partners Stockholm AB CVR 5593089757 | BoardBoard of Directors | 2022 – 2025 | — | Active |
| Velox Sweden AB CVR 5593191090 | BoardBoard of Directors | 2022 – 2023 | — | Active |