| Ettevõtte nimi | Reg. kood |
|---|---|
| OIL SERVICE OÜ | 16081383 |
| BALTIC OIL SERVICE OÜ | 12956324 |
| OIL CLEANING SERVICE OÜ kustutatud | 11442497 |
| LÜLLE INVEST OÜ kustutatud (endine nimi OIL SERVICE OÜ) | 11071612 |
| OIL SERVICES OÜ UÜ kustutatud (endine nimi OÜ OK Assets) | 12045203 |
| SCANDINAVIAN OIL SERVICES ESTONIA OÜ kustutatud (endine nimi International Cargo Consultancy OÜ) | 10559398 |
| OILER SERVICE OÜ kustutatud | 16822425 |
| OILEXPRESS MARINE SERVICES OÜ | 16061191 |
| BLUE OWL SERVICES OÜ | 17005214 |