| Company name | Reg. code |
|---|---|
| BESTMASTERS OÜ | 12724039 |
| BESTSISTERS OÜ | 17180259 |
| ESTOMASTERS OÜ | 11517479 |
| HEATMASTERS BALTIC OÜ | 10872646 |
| VH VENTMASTERS OÜ | 17428937 |
| HOLCOMB OÜ kustutatud (former name Westmaster OÜ) | 14459268 |
| MASTERS KB OÜ (former name Boatmasters OÜ) | 12393944 |