| Company name | Reg. code |
|---|---|
| MOONHOUSE OÜ | 14546599 |
| MOONROSE OÜ | 14427423 |
| COOLHOUSE OÜ | 11353026 |
| WOOLHOUSE OÜ | 14820014 |
| MAINHOUSE OÜ | 11240291 |
| MOTOHOUSE OÜ | 11884673 |
| ONHOUSE OÜ | 17243184 |
| INSEL WOODHOUSE OÜ | 16443030 |
| WOOLHOUSE GROUP OÜ | 12165723 |
| TIMBECO WOODHOUSE OÜ | 10073371 |
| LUMOS WOODHOUSE OÜ (former name SGV Studios OÜ) | 16914268 |
| TOWNHOUSE INVEST OÜ | 12855416 |
| TWNHS BUILDING TLN OÜ (former name Townhouse OÜ) | 12355814 |
| ZXCVBNM OÜ (former name Townhouse OÜ) | 14037857 |
| LIGINTEX OÜ (former name Cookhouse Toidud OÜ) | 12640845 |
| INSEL MILL OÜ (former name OÜ Insel Woodhouse) | 11894147 |
| CLT PANELHOUSES OÜ (former name Roohouse Ehitus OÜ) | 12527468 |
| JÄÄTMELADUSTAMISE JA KASUTAMISE OÜ (former name Effeco OÜ) | 16013499 |