| Company name | Reg. code |
|---|---|
| CERIO OÜ | 12725062 |
| CERIC OÜ | 16167825 |
| CERRO OÜ | 10004967 |
| CERIS GROUP OÜ | 16631398 |
| CERVO VOLANTE OÜ | 11357126 |
| NERIO OÜ | 14579618 |
| CENRIO OÜ kustutatud (former name Fincenzo OÜ) | 16382104 |
| MERIO OÜ (former name Heurek ehitus OÜ) | 14756457 |
| CURIO CREATIVE OÜ kustutatud | 16962089 |
| CURIO TIME OÜ | 17052874 |
| MYTHIKA CURIO OÜ | 17223052 |