| Company name | Reg. code |
|---|---|
| BLANKO GROUP OÜ | 12302551 |
| BLAKE GROUP OÜ | 12563085 |
| BLACK GROUP OÜ | 17483250 |
| KONJOSKO KOPITO OÜ kustutatud (former name Black River Group OÜ) | 14517936 |
| BLACK SWAN GROUP OÜ | 14962607 |
| BLACK BUCK GROUP OÜ | 14786338 |
| BLACK METAL GROUP OÜ | 12338313 |
| BLACK MARKET MEDIA GROUP OÜ | 12641543 |
| HYPOK INVEST OÜ (former name Hanko Group OÜ) | 16266473 |