| Company name | Reg. code |
|---|---|
| EPSEELON OÜ (former name ChainSkills OÜ) | 14418743 |
| EPSILON OÜ | 10637448 |
| EPSILON INVEST OÜ kustutatud | 12232483 |
| BTF2 EPSILON OÜ kustutatud (former name OÜ Prangli-Preedi Põllud ja Metsad) | 10817311 |
| EPSILON LOCALISATION OÜ | 14906359 |
| EPSILON GRUPP OÜ kustutatud | 11518496 |
| EPSILON EHITUS OÜ | 16128222 |
| EPSILON TAURI OÜ (former name OÜ Downtown Apartment) | 12836376 |
| ESPELLON OÜ | 10089975 |
| EKSELON OÜ | 10888896 |
| VARDEKINS OÜ kustutatud (former name Epsilon Trading OÜ) | 11114586 |
| ESTELON HOLDING OÜ | 17193575 |