| Company name | Reg. code |
|---|---|
| FERRCAD OÜ | 14144859 |
| FERRMAT OÜ | 16310837 |
| FERECA OÜ | 14933215 |
| CAP FERRAT OÜ kustutatud | 12512395 |
| FERRED TRADING OÜ | 14471128 |
| FERRA CAPITAL OÜ | 10620100 |
| FERRA GRUPP OÜ | 10930734 |
| SWISS FERRA OÜ (former name Kimsa Construction OÜ) | 14713241 |
| ANG & FERMAD TEAM OÜ | 14483019 |
| EVERET KIVITALOT OÜ kustutatud (former name Ferras Holding OÜ) | 14722843 |
| INTRAS AUTO OÜ (former name Ferra Trade OÜ) | 12348903 |