| Company name | Reg. code |
|---|---|
| MELCHAIN OÜ (former name Safecredit OÜ) | 14286075 |
| HOUAYLAO PHOTHIJAN OÜ kustutatud (former name Melchain OÜ) | 16625943 |
| MELHEIN OÜ | 12977355 |
| NEMCHAIN OÜ kustutatud (former name City Business OÜ) | 14004355 |
| VERCHAIN OÜ kustutatud | 12738248 |
| GEBCHAIN OÜ | 16116160 |
| DECHAIN OÜ | 14632583 |
| MLCHAN OÜ kustutatud | 14420792 |
| MERCHIN MANAGEMENT OÜ kustutatud | 14311123 |
| TECHAIN GLOBAL OÜ kustutatud | 14433582 |
| ULTRALEDGER OÜ kustutatud (former name metachain OÜ) | 14386121 |
| VIPAY TECHNOLOGIES OÜ (former name MEGACHAIN OÜ) | 14907941 |
| REVAL ENERGY OÜ (former name Medichain OÜ) | 16567559 |