| Company name | Reg. code |
|---|---|
| HEITON INVEST OÜ | 10683661 |
| HEILON INVEST OÜ | 11215206 |
| BAITON INVEST OÜ | 11064865 |
| DEIMON INVEST OÜ | 14343784 |
| DEXTON INVEST OÜ (former name Dexton Invest UÜ) | 14475965 |
| NEFTON OÜ (former name Nefton Invest OÜ) | 14774857 |
| NINEFOLD ENERGY OÜ (former name Keaton Invest OÜ) | 14430750 |