| Ettevõtte nimi | Reg. kood |
|---|---|
| ZEUDION OÜ | 14980290 |
| STUDION OÜ | 16037821 |
| ZEMLION OÜ | 17174359 |
| AUDION OÜ | 11908760 |
| ZESION OÜ | 14759852 |
| ZTUDIO OÜ | 16754505 |
| AEDION OÜ | 16590340 |
| REDION OÜ | 14649891 |
| ELDION TRANSP RAILWAY OÜ | 17076160 |
| EUNION CAR RENT OÜ (endine nimi East Trade Partnership OÜ) | 14106205 |