| Company name | Reg. code |
|---|---|
| JERSTEEL OÜ | 11237389 |
| TERASTEEL OÜ | 12087420 |
| AIRSTEEL OÜ | 10848346 |
| SEVSTEEL OÜ kustutatud | 11725114 |
| FORSTEEL OÜ | 12399303 |
| ESTEEL OÜ (former name Scandinavian Rent OÜ) | 14451404 |
| FERSTEL SYSTEMS OÜ kustutatud | 14926907 |
| ESTEEL PROJECT OÜ | 12240040 |
| WEST ROAD TRUCKING OÜ (former name OÜ DEKSTEEL) | 12569395 |
| SANDWIN.STORE OÜ (former name MedSteel OÜ) | 16762545 |