| Svensk Linjebesiktning AB CVR 5560423385 | BoardBoard of Directors | Since 2026 | — | Active |
| KraftTech Sverige AB CVR 5561189407 | BoardBoard of Directors | Since 2025 | — | Active |
| Kinnarps AB CVR 5562566736 | BoardBoard of Directors | Since 2021 | — | Active |
| Eltec Köping AB CVR 5562861558 | BoardBoard of Directors | Since 2025 | — | Active |
| AG. Anläggning & Grönt Entreprenad AB CVR 5564104296 | BoardBoard of Directors | Since 2025 | — | Active |
| HANTECH SYSTEM AKTIEBOLAG CVR 5564370483 | BoardBoard of Directors | Since 2025 | — | Active |
| SLL Energi & Infrastruktur AB CVR 5566571799 | BoardBoard of Directors | Since 2025 | — | Active |
| Fred's Fjärrvärme Service AB CVR 5568103641 | BoardBoard of Directors | Since 2025 | — | Active |
| Selectric Sverige AB CVR 5569085011 | BoardBoard of Directors | Since 2025 | — | Active |
| Elkraftbyrån i Göteborg AB CVR 5569260408 | BoardBoard of Directors | Since 2025 | — | Active |
| ELB KRAFT AB CVR 5590457692 | BoardBoard of Directors | Since 2025 | — | Active |
| SLL Energi & Infrastruktur Group AB CVR 5591352520 | BoardBoard of Directors | Since 2025 | — | Dissolved |
| MAKT Kraft AB CVR 5592181936 | BoardBoard of Directors | Since 2026 | — | Active |
| Ölandskraft & Installation AB CVR 5593166241 | BoardBoard of Directors | Since 2025 | — | Active |
| ÖKI AB CVR 5594685975 | BoardBoard of Directors | Since 2025 | — | Active |
| Aterion AB CVR 5594937228 | BoardBoard of Directors | Since 2025 | — | Active |