| Company name | Reg. code |
|---|---|
| DERHAMN OÜ | 12134852 |
| MARIE PERE OÜ (former name Derhamn Design OÜ) | 11760796 |
| DERBHAN OÜ kustutatud (former name Bhander Group OÜ) | 14781981 |
| DERSAN OÜ | 14711986 |
| DERAMA OÜ kustutatud | 11687804 |
| DERSAN HOLDING OÜ | 17370356 |
| DURHAMN MULBEROY OÜ | 11049162 |
| DECHAIN OÜ | 14632583 |
| MERHAN OÜ | 14361842 |
| DEYHAN OÜ | 16734589 |
| MERHAN TRANSPORT OÜ | 14316043 |
| MERHAN CONSULT OÜ | 16717183 |
| DIRHAMI NATURE RESORT OÜ | 16733288 |
| WERNHAM HOGG OÜ (former name DeHaan Group OÜ) | 14098356 |
| Litegrav Bio Holdings OÜ (former name AssetNest OÜ) | (asutamisel) |