| Company name | Reg. code |
|---|---|
| BHITSCO OÜ | 16750476 |
| BITSTO OÜ (former name BITSTO UÜ) | 14422928 |
| "HITACO" OÜ kustutatud (former name HITACO) | 10030315 |
| BITSMO OÜ kustutatud | 14615142 |
| BRITCO OÜ kustutatud | 14801844 |
| BITCO WORLD OÜ kustutatud (former name Venus Exchange Services OÜ) | 14732050 |