| Svensk Infrastruktur AB CVR 5567321566 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra Core AB CVR 5568043250 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Gardio AB CVR 5568094998 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra Group AB CVR 5568216401 | BoardBoard of Directors | 2020 – 2024 | — | Active |
| Rapide AB CVR 5569380727 | BoardBoard of Directors | 2020 – 2025 | — | Active |
| Open Infra Operator AB CVR 5569645707 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra ISP Production International AB CVR 5590693957 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Internetnord AB CVR 5590903752 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra Mälardalen AB CVR 5591049670 | BoardBoard of Directors | 2020 – 2024 | — | Dissolved |
| Lincoln International AB CVR 5591535710 | BoardBoard of Directors | 2021 – 2025 | — | Active |
| Open Infra Tyskland AB CVR 5592142516 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Sonic Invest AB CVR 5592858012 | BoardBoard of Directors | 2022 – 2024 | — | Dissolved |
| Open Infra USA AB CVR 5592919954 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra Business AB CVR 5592919962 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra UK AB CVR 5592919996 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra International AB CVR 5593246324 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra TopCo AB CVR 5593332280 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra US Assets AB (publ) CVR 5593353237 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra AB (publ) CVR 5593355927 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra MidCo AB CVR 5593367179 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Open Infra Core 2022 AB CVR 5593367187 | BoardBoard of Directors | 2022 – 2024 | — | Dissolved |
| Open Infra Core 2023 AB CVR 5593376733 | BoardBoard of Directors | 2022 – 2024 | — | Dissolved |
| FGI Finance AB CVR 5594045790 | BoardBoard of Directors | 2022 – 2024 | — | Active |
| Duvnäs Utvecklings AB CVR 5594732249 | BoardBoard of Directors | 2024 – 2024 | — | Dissolved |
| Bostadsrättsföreningen Linden nr. 5 CVR 7164182144 | BoardBoard of Directors | 2020 – 2020 | — | Active |
