| Company name | Reg. code |
|---|---|
| PRAIMSTAR OÜ kustutatud | 10575405 |
| WRAIDSTAR OÜ kustutatud | 11172106 |
| PRIMOSTAR OÜ | 10653217 |
| PHARMSTAR OÜ | 12544219 |
| PRIMATAR OÜ kustutatud (former name Primatar UÜ) | 14293313 |
| RAILSTAR OÜ (former name Real View GreenEnergy OÜ) | 16970060 |
| RAIMSTAR CONSULT OÜ | 11497251 |
| PRIMOSTAR TOOTMINE OÜ (former name WPMEesti OÜ) | 14552654 |