| Ettevõtte nimi | Reg. kood |
|---|---|
| OPERIAL OÜ | 17534987 |
| OPERAIL OÜ (endine nimi ViroState OÜ) | 17093388 |
| OPERAIL SOLUTIONS OÜ (endine nimi MK Belarena OÜ) | 12421273 |
| OPERAIL REPAIRS OÜ | 16235461 |
| OPERAIO OÜ (endine nimi KB Catering OÜ) | 12323151 |
| OPERIFI OÜ | 16891969 |
| OPERMAN OÜ kustutatud | 16109087 |
| RAUDTEE VARAD HOLDING OÜ kustutatud (endine nimi Operail Holding OÜ) | 16234361 |
| OPERA OÜ | 12048756 |
| OPEIA OÜ kustutatud | 14182683 |
| CABALLERA OPERA OÜ | 17003505 |
| OPERA DESIGN OÜ (endine nimi OÜ 117 AGENCY) | 11976750 |
| NARGEN OPERA OÜ | 11109757 |
| OPERA INVEST OÜ | 12620084 |
| OPERA RENAISSANCE OÜ kustutatud | 14646237 |
| OPERA INVEST OÜ kustutatud | 10437614 |
| STERIAL OÜ | 16134398 |
| GOAERIAL OÜ | 16837183 |
| OPTIRAL OÜ kustutatud (endine nimi Optiral UÜ) | 14895495 |
| EXPERIAL OÜ kustutatud | 12376973 |
| PERIFAL OÜ kustutatud | 11262476 |
| SPEZIAL OÜ kustutatud | 12698997 |
| EMPERIAL OÜ kustutatud (endine nimi OÜ Softlogic) | 11556108 |
| MERIAL OÜ | 17147457 |
| AERIAL OÜ | 11574661 |
| NERIAL OÜ | 16482521 |
| FERROMETAL BALTIC OÜ kustutatud (endine nimi Opera Invest OÜ) | 11361994 |
| FRUIT MASTERS OÜ kustutatud (endine nimi Opera Trading OÜ) | 11361988 |
| TRIANQA OÜ kustutatud (endine nimi CAFÉ OPERA OÜ) | 14841447 |
| SPECIAL HOLDINGS OÜ | 11554762 |
| SPECIAL SITUATIONS OÜ | 17249695 |
| SPECIAL FLOORING OÜ | 11477751 |
| SPECIAL STONE OÜ | 16976660 |
| VÄIKE IMPERIAL OÜ | 16134872 |
| AR SPECIAL OÜ | 12495969 |
| EVERY SPECIAL OÜ | 16008713 |
| SPECIAL INTERIOR OÜ | 12860475 |
| SOMETHING SPECIAL OÜ | 16353054 |
| EXTRA SPECIAL OÜ | 11508760 |
| SPECIAL EHITUS OÜ | 16309917 |
| AVERIAL CONSULTING OÜ | 17159880 |
| SPECIAL CONSULTING OÜ | 16159033 |
| IMPERIAL HOLDINGS OÜ (endine nimi Imperial Holdings UÜ) | 12826219 |
| IMPERIAL AUTO OÜ | 16230995 |
| SPECIAL WORK OÜ | 12524903 |
| SPECIAL GROUP OÜ | 14246686 |
| SPECIAL PROJECT OÜ | 16781784 |
| IMPERIAL ASSETS OÜ (endine nimi Imperial Assets UÜ) | 14921910 |
| TELNER SPECIAL OÜ | 10449830 |
| SPECIAL TRADE OÜ | 11461879 |