| Company name | Reg. code |
|---|---|
| UNIMASTER OÜ (former name Unimaster UÜ) | 14379996 |
| UNIQASTAR OÜ | 11035467 |
| UNISTER OÜ kustutatud | 12506383 |
| FUNTMASTER OÜ kustutatud | 11075981 |
| NIKMASTER OÜ | 14811952 |
| SUNMASTER OÜ kustutatud | 10735381 |
| AIMASTER OÜ kustutatud | 12040884 |
| ERAHOOLDUS OÜ (former name WELDER OÜ) | 14140325 |