| Company name | Reg. code |
|---|---|
| SOLSTRAND OÜ | 14043987 |
| SOLSTRALE OÜ | 14182430 |
| SOLSTRALE EUROPE OÜ kustutatud | 16564897 |
| SOLTRAN INVESTMENTS OÜ kustutatud | 12886486 |
| SÕSTRAD OÜ (former name Your PA OÜ) | 14947335 |
| STA CAPITAL OÜ kustutatud (former name SolaTrans OÜ) | 16326376 |