| Company name | Reg. code |
|---|---|
| FERREIRO OÜ | 11488967 |
| ALVARO FERREIRA OÜ kustutatud | 14947200 |
| FERREXPO OÜ kustutatud | 12362932 |
| FERRESTO OÜ | 12905048 |
| FERRERA OÜ | 16629125 |
| FERRESTO KAPITAL OÜ (former name Elusmaa Arendus OÜ) | 16247613 |
| FERRESTO LASER OÜ | 12895031 |
| FERRESTO GRUPP OÜ | 11240109 |
| FERRERA ESTATE OÜ | 16644123 |
| ONESIX OÜ (former name jose koch ferreira OÜ) | 17117479 |
| PEDREIRO OÜ | 16910916 |
| PORREIRO OÜ kustutatud | 12974747 |
| MPULUMANI PINGILWA OÜ (former name Febrero Trece OÜ) | 11442787 |