| Company name | Reg. code |
|---|---|
| WOODHOUND OÜ | 14711294 |
| INSEL WOODHOUSE OÜ | 16443030 |
| TIMBECO WOODHOUSE OÜ | 10073371 |
| LUMOS WOODHOUSE OÜ (former name SGV Studios OÜ) | 16914268 |
| WOODHOOD GROUP OÜ | 11486313 |
| INSEL MILL OÜ (former name OÜ Insel Woodhouse) | 11894147 |
| JÄÄTMELADUSTAMISE JA KASUTAMISE OÜ (former name Effeco OÜ) | 16013499 |