| Konepalvelu Kuivas Oy CVR 2481637-0 | BoardChairperson | Since 2015 | — | Active |
| Kavora Oy CVR 2647566-1 | BoardBoard of Directors | Since 2025 | — | Active |
| Skt Infra Oy CVR 2931093-4 | BoardChairperson | Since 2018 | — | Active |
| Fundis Application Oy CVR 3193666-1 | BoardBoard of Directors | Since 2024 | — | Active |
| Kuivas Holding Oy CVR 3290298-1 | BoardBoard of Directors | Since 2022 | — | Active |
| Mektion Oy CVR 3299384-4 | BoardChairperson | Since 2022 | — | Active |
| Helicasol Oy CVR 3333802-4 | BoardBoard of Directors | Since 2023 | — | Active |
| Next Investment Oy CVR 3413630-1 | OtherDeputy Member | Since 2024 | — | Active |
| Punainen Peura Oy CVR 3420630-6 | OtherDeputy Member | Since 2025 | — | Active |
| Länsi-Infra Oy CVR 3464575-5 | BoardBoard of Directors | Since 2024 | — | Active |
| Signal Group Oy CVR 3477030-2 | BoardBoard of Directors | Since 2024 | — | Active |
| Manse Networks Oy CVR 3490763-9 | BoardBoard of Directors | Since 2025 | — | Active |
| Micela Oy CVR 3516683-6 | OtherDeputy Member | Since 2025 | — | Active |
| Signal Rental Oy CVR 3556598-4 | BoardBoard of Directors | Since 2025 | — | Active |
| Velocy Industry Oy CVR 3569110-4 | BoardBoard of Directors | Since 2025 | — | Active |
| Planstation Oy CVR 3604588-4 | OtherDeputy Member | Since 2026 | — | Active |
