| Herkkumaa Oy CVR 0648155-4 | OtherDeputy Member | Since 2026 | — | Active |
| DDC-Tekniikka Oy CVR 0874860-3 | BoardBoard of Directors | Since 2024 | — | Dissolved |
| JIS-Automation Oy CVR 1849009-5 | BoardBoard of Directors | Since 2023 | — | Active |
| Korona Invest Oy CVR 2037737-4 | BoardBoard of Directors | Since 2022 | — | Active |
| JIS-Tekniikka Oy CVR 2121966-9 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| CoolFellas Oy CVR 2482829-1 | BoardBoard of Directors | Since 2026 | — | Active |
| Integrio Oy CVR 2760200-1 | BoardBoard of Directors | Since 2023 | — | Dissolved |
| Korona Invest III Oy CVR 2770405-9 | BoardBoard of Directors | Since 2021 | — | Active |
| Oukotek Oy CVR 2771670-3 | BoardBoard of Directors | Since 2021 | — | Dissolved |
| Endurance Holding Oy CVR 2951151-7 | BoardBoard of Directors | Since 2018 | — | Active |
| Asuntoneuvoja Hallinnointi Oy CVR 2953592-2 | BoardChairperson | Since 2026 | — | Active |
| Asuntopehtoori Oy CVR 3017945-1 | BoardChairperson | Since 2026 | — | Active |
| Epicus Group Oy CVR 3120156-9 | OtherDeputy Member | Since 2025 | — | Active |
| Asuntopehtoori Isännöinti Oy CVR 3194369-3 | BoardChairperson | Since 2026 | — | Active |
| Korona Invest IV Oy CVR 3208625-9 | BoardBoard of Directors | Since 2021 | — | Active |
| DDC Tampere Oy CVR 3262472-3 | BoardBoard of Directors | Since 2024 | — | Dissolved |
| Bondata Group Oy CVR 3293589-8 | BoardBoard of Directors | Since 2024 | — | Active |
| e-Automation Group Oy CVR 3341159-4 | BoardBoard of Directors | Since 2024 | — | Active |
| Logistila Oy CVR 3347217-8 | BoardChairperson | Since 2026 | — | Active |
| Herkkumaa Group Oy CVR 3365364-9 | OtherDeputy Member | Since 2026 | — | Active |
| Lilja Asuntovuokraus Oy CVR 3402644-4 | BoardBoard of Directors | Since 2026 | — | Active |
| CoolFellas Heat Oy CVR 3410235-5 | BoardBoard of Directors | Since 2026 | — | Active |
| Asuntopehtoori Group Oy CVR 3516453-1 | BoardChairperson | Since 2026 | — | Active |
| Asuntopehtoori Holding Oy CVR 3516455-8 | BoardChairperson | Since 2026 | — | Active |
| CoolFellas Group Oy CVR 3573476-8 | BoardChairperson | Since 2026 | — | Active |
| CoolFellas Holding Oy CVR 3573477-6 | BoardChairperson | Since 2026 | — | Active |
