| Ettevõtte nimi | Reg. kood |
|---|---|
| OPERAIL OÜ | 17093388 |
| OPERAIL REPAIRS OÜ | 16235461 |
| OPERAIL SOLUTIONS OÜ | 12421273 |
| RAUDTEE VARAD HOLDING OÜ kustutatud | 16234361 |
| OPERAIO OÜ | 12323151 |
| OPENAIR OÜ | 16359654 |
| OPERARY STUDIO OÜ | 16680557 |
| OPERA OÜ | 12048756 |
| CABALLERA OPERA OÜ | 17003505 |
| OPERA DESIGN OÜ | 11976750 |
| OPERA RENAISSANCE OÜ kustutatud | 14646237 |
| NARGEN OPERA OÜ | 11109757 |
| OPERA INVEST OÜ | 12620084 |
| ODEROIL OÜ kustutatud | 12417662 |
| OHERDIL OÜ | 11474675 |
| UPTRAIL OÜ | 16826802 |
| OLERAI OÜ | 10354972 |
| PERALL OÜ | 14602062 |
| IPEROIL ADVISORIES OÜ kustutatud | 12982557 |
| OPTIRAIL EST OÜ | 16480284 |
| KTK OVERALL OÜ | 10280006 |
| OVERALL FINANTSEERINGUD OÜ | 11009033 |
| OVERALL MEDICAL OÜ kustutatud | 11397271 |
| PERALI INVESTMENTS OÜ kustutatud | 12190477 |
| TRIANQA OÜ kustutatud | 14841447 |