| Company name | Reg. code |
|---|---|
| BENEFIT AS | 10428992 |
| ENEFIT AS kustutatud (former name Enefit OÜ) | 16130213 |
| ENEFIT KAEVANDUSED AS kustutatud (former name Eesti Energia Kaevandused AS) | 10032389 |
| ENEFIT SOLUTIONS AS kustutatud (former name EESTI ENERGIA TEHNOLOOGIATÖÖSTUS AS) | 10633284 |
| ENEFIT WIND PURTSE AS kustutatud | 11119419 |
| ENEFIT OÜ (former name Enefit AS) | 11184032 |
| ENEFIT INDUSTRY OÜ (former name Enefit Power AS) | 10579981 |