| Company name | Reg. code |
|---|---|
| PREMELAR OÜ | 11646509 |
| PREMICAR OÜ | 16328748 |
| PREMETOR OÜ (former name Premetor UÜ) | 14594078 |
| PREMER PUIT OÜ kustutatud (former name Premer Puit UÜ) | 14917021 |
| PREMER HOLDING OÜ | 16990855 |
| PRIMEMAR OÜ | 11437839 |
| PROMELA OÜ | 10613784 |
| TREMELA OÜ | 11047507 |
| CEROVILLOM OÜ (former name CleanBest OÜ) | 14830662 |