| Company name | Reg. code |
|---|---|
| MASTERBEST OÜ kustutatud (former name Masterbest UÜ) | 12971235 |
| MASTERBEST EUROPE OÜ | 11715038 |
| MASTERBEST BALTIC OÜ (former name Melba OÜ) | 14680398 |
| MASPEROEST OÜ kustutatud | 12341114 |
| MASTERBALT OÜ (former name Masterbalt UÜ) | 14458918 |
| MASTERBASE OÜ | 14889846 |
| MASTERNET OÜ | 10959301 |
| MASTERNET2 OÜ | 14474960 |
| MÄSTERBEE OÜ | 17260171 |
| CASTEREST OÜ | 17070967 |