| Company name | Reg. code |
|---|---|
| TERASMÄGI OÜ | 11113629 |
| TERASVAI OÜ | 11639194 |
| TERASMAN OÜ | 10750914 |
| TERASMAA OÜ | 11690321 |
| TERASMAA HOLDING OÜ | 16112342 |
| TERASMAA SALES OÜ kustutatud | 12352721 |
| J & T TERASMAA OÜ | 12145347 |
| KRUVIVAI OÜ (former name Terasvai TX OÜ) | 12585566 |