| Company name | Reg. code |
|---|---|
| MASTERFUL OÜ | 12183649 |
| MASTERPOL OÜ | 11067119 |
| MASTERLUX OÜ | 11415626 |
| MASTERAL OÜ | 11497179 |
| MASTERUM OÜ (former name Masterum UÜ) | 14960063 |
| MASTERFILE.IO OÜ | 16616714 |
| WATERFUL OÜ kustutatud | 14707022 |
| OHWIMAZE TWENEBOAH OÜ kustutatud (former name Masterum OÜ) | 12621629 |