| Company name | Reg. code |
|---|---|
| BLACK GROUP OÜ | 17483250 |
| BLACK SWAN GROUP OÜ | 14962607 |
| BLACK BUCK GROUP OÜ | 14786338 |
| BLACK METAL GROUP OÜ | 12338313 |
| BLACK MARKET MEDIA GROUP OÜ | 12641543 |
| KONJOSKO KOPITO OÜ kustutatud (former name Black River Group OÜ) | 14517936 |
| MMAETROCKTER OÜ (former name BLACKROC GROUP OÜ) | 12590722 |
| MACHIAVELLI VENTURES OÜ (former name Block Media Group OÜ) | 16669811 |
| STAVROS OÜ (former name OÜ Arimle Group) | 11558455 |
| CHAINCRAFT OÜ kustutatud (former name Block Media Group RSBT OÜ) | 16672026 |