| Company name | Reg. code |
|---|---|
| VINCHAIN OÜ (former name Eurocrew OÜ) | 14322374 |
| UNICHAIN OÜ kustutatud | 16594119 |
| VIRONCHAIN OÜ kustutatud | 16357201 |
| VERCHAIN OÜ kustutatud | 12738248 |
| CONCHAIN OÜ | 16542832 |
| INCHAIN DIGITAL OÜ (former name Weaver Incorporated OÜ) | 16593284 |
| QICHAIN OÜ kustutatud | 14642630 |
| ZICHAIN OÜ kustutatud (former name BaGuk Finance OÜ) | 14432499 |
| VCHAIN OÜ | 17008997 |
| LINCHPIN MEDIA OÜ kustutatud | 12572960 |
| INVERT ESTONIA OÜ kustutatud (former name Twinchain OÜ) | 16271445 |
| TOMYA TECHNOLOGY OÜ kustutatud (former name ONCHAIN OÜ) | 14893705 |