| Company name | Reg. code |
|---|---|
| MEDIA CENTURY OÜ | 16447980 |
| TRADITIONAL MEDIA CENTRE OÜ kustutatud | 12246953 |
| LEHT MEDIA CENTER OÜ | 12134645 |
| ID-MEDIA CENTER OÜ | 10631664 |
| MEDIA AND JOURNALISM RESEARCH CENTER OÜ (former name Center for Media, Data & Society Marius Dragomir OÜ) | 16525816 |
| ZENTURY MEDIA EUROPE OÜ | 16985050 |