| Ettevõtte nimi | Reg. kood |
|---|---|
| FERREL AS | 10317956 |
| FERREKS TT AS kustutatud | 10375341 |
| PAIDE FERMER AS kustutatud | 10118961 |
| FERNET OIL AS kustutatud | 10722125 |
| BARREL BG AS kustutatud | 10103184 |
| BARREL MKT AS kustutatud | 10146288 |
| VALGA FERRUM AS kustutatud | 10084251 |
| BERTEL O STEEN AS | 60359021 |
| FERRUM K.V. AS | 10089260 |
| BERREN OÜ kustutatud (endine nimi AS Berren) | 10725187 |