| Tångabergs Schakt Aktiebolag CVR 5560765629 | BoardBoard of Directors | 2020 – 2022 | — | Active |
| Lunds Schakt & Planering i Borlänge Aktiebolag CVR 5561140202 | BoardBoard of Directors | 2022 – 2022 | — | Active |
| SweGrund Aktiebolag CVR 5563179935 | BoardBoard of Directors | 2022 – 2022 | — | Dissolved |
| Thyras Aktiebolag CVR 5564208204 | BoardBoard of Directors | 2022 – 2022 | — | Active |
| Västkustens Mark & Asfalt AB CVR 5564963592 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| MJ Entreprenad i Skurup AB CVR 5565206397 | BoardBoard of Directors | 2022 – 2022 | — | Active |
| SMA Infrastruktur Öst AB CVR 5565231650 | BoardChairman | 2020 – 2022 | — | Active |
| Byggsnabben i Stockholm AB CVR 5565255444 | BoardBoard of Directors | 2022 – 2022 | — | Active |
| SMA Rail AB CVR 5566214523 | BoardChairman | 2022 – 2022 | — | Active |
| SMA Infrastruktur Örebro AB CVR 5566440565 | OtherChief Auditor | 2020 – 2022 | — | Dissolved |
| Ekängen Bygg & Mark AB CVR 5566791140 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| Nora Entreprenad AB CVR 5567325005 | BoardBoard of Directors | 2022 – 2022 | — | Active |
| Bodén Mark & Anläggning i Mälardalen AB CVR 5569327751 | BoardChairman | 2022 – 2022 | — | Active |
| Storsätra Entreprenad AB CVR 5590042718 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| SMA Infrastruktur AB CVR 5592076458 | ManagementChief Executive Officer | 2020 – 2022 | — | Active |
| Svenska Mark och Anläggningsbolagen Återvinning AB CVR 5592570427 | BoardBoard of Directors | 2021 – 2022 | — | Dissolved |
| Eldsund Holding AB CVR 5594724089 | BoardBoard of Directors | 2024 – 2026 | — | Active |
| Eldsund Utveckling AB CVR 5594724097 | BoardBoard of Directors | 2024 – 2026 | — | Active |
| Eldsund Produktion AB CVR 5594803172 | BoardBoard of Directors | 2024 – 2026 | — | Active |
