| Company name | Reg. code |
|---|---|
| OSTUWEB OÜ | 11683769 |
| KOSTAWEB OÜ | 16837680 |
| OPTIWEB OÜ kustutatud | 12434270 |
| BOSTRWEB OÜ | 17155155 |
| OPTIWEB OÜ (former name Optiweb UÜ) | 14921838 |
| ESTWEB OÜ kustutatud | 12341829 |
| TSUWEB GOLDZAVA OÜ (former name Iloiset Mehupojat OÜ) | 12763565 |
| ESTWEB MEDIA OÜ | 12034027 |
| STUWE SERVICE OÜ | 12580043 |
| VMV OÜ (former name EstWeb Grupp OÜ) | 11540805 |