| Heikkinen Yhtiöt Oy CVR 0760867-6 | BoardBoard of Directors | Since 2024 | — | Active |
| LTU Asunnot Oy CVR 2340180-0 | BoardBoard of Directors | Since 2024 | — | Active |
| HS listoitus oy CVR 2557884-5 | BoardBoard of Directors | Since 2024 | — | Active |
| Mestarinikkarit Oy CVR 2617912-5 | BoardBoard of Directors | Since 2025 | — | Active |
| Tiilikaari Oy CVR 2778843-2 | BoardBoard of Directors | Since 2024 | — | Active |
| LTU Toimitilat Oy CVR 2873997-4 | BoardBoard of Directors | Since 2024 | — | Active |
| LTU Pirkanmaa Oy CVR 2940121-1 | BoardBoard of Directors | Since 2024 | — | Active |
| Teknorakennus Oy CVR 3005751-8 | BoardBoard of Directors | Since 2026 | — | Active |
| LTU Varsinais-Suomi Oy CVR 3191482-5 | BoardBoard of Directors | Since 2024 | — | Active |
| LTU Savo-Karjala Oy CVR 3357928-2 | BoardBoard of Directors | Since 2024 | — | Active |
| LTU Group Oy CVR 3435905-4 | BoardBoard of Directors | Since 2024 | — | Active |
| InArea Group Oy CVR 3435908-9 | BoardBoard of Directors | Since 2024 | — | Active |
| Nikkarit Pientalot Oy CVR 3441142-2 | BoardBoard of Directors | Since 2025 | — | Active |
| Sisärakennustekniikka SRT Oy CVR 3598251-8 | BoardBoard of Directors | Since 2026 | — | Active |
