| Marbit Aktiebolag CVR 5561796151 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Rosenqvist Entreprenad AB CVR 5563918720 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| GW ASFALT & TRÄDGÅRDSANLÄGGNINGAR Aktiebolag CVR 5564578663 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Pordrän Sverige Aktiebolag CVR 5564855780 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| El & Driftteknik i Strängnäs AB CVR 5565166138 | BoardBoard of Directors | 2022 – 2023 | — | Dissolved |
| Malte Rutberg Entreprenad AB CVR 5565631834 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Mälardalens Spår och Anläggning AB CVR 5566968102 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| MTR Tech AB CVR 5567627160 | ManagementChief Executive Officer | 2020 – 2022 | — | Active |
| Kvalitetsmark R AB CVR 5568000151 | BoardBoard of Directors | 2022 – 2023 | — | Active |
| MTB Mark & Trädgårdsbyggarna AB CVR 5568080385 | BoardBoard of Directors | 2021 – 2024 | — | Active |
| Markax AB CVR 5568117732 | BoardBoard of Directors | 2023 – 2024 | — | Active |
| Powerstruc AB CVR 5568449697 | BoardBoard of Directors | 2023 – 2023 | — | Active |
| Hanell Entreprenad i Gävle AB CVR 5568868011 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Emtrain AB CVR 5569442170 | ManagementChief Executive Officer | 2021 – 2022 | — | Dissolved |
| Infracon Sverige AB CVR 5590205869 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Arctic Infra AB CVR 5590465315 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Infracon Maskin AB CVR 5592356538 | BoardBoard of Directors | 2023 – 2024 | — | Active |
| Hyrex Holding AB CVR 5592839459 | BoardBoard of Directors | 2023 – 2023 | — | Active |