| Company name | Reg. code |
|---|---|
| FORENERGY OÜ | 16569653 |
| AIRENERGY OÜ kustutatud | 11421532 |
| FRENERGO OÜ (former name OÜ WINECO) | 12838903 |
| RENERGY OÜ kustutatud | 11996712 |
| FRENERGO PRODUCTS OÜ kustutatud (former name Wineco Project OÜ) | 12184956 |
| BOS RENERGY OÜ (former name KC Pakri OÜ) | 17065943 |
| BIO RENERGY OÜ kustutatud | 12585299 |