| Company name | Reg. code |
|---|---|
| SAMSTROI OÜ | 14026747 |
| SAMATRON OÜ (former name Andaman Viimistlus OÜ) | 14836848 |
| SAMITROF RECLAIMED WOOD OÜ kustutatud (former name THE BEST WAY co OÜ) | 14018630 |
| SALSTRÖM OÜ | 10921304 |
| REMSTROI OÜ | 12347654 |
| SAUSTROL OÜ | 16119045 |
| DOMSTROI OÜ kustutatud | 11301911 |
| DASTROI OÜ kustutatud | 16557029 |
| RENT CENTER OÜ (former name Samtrox OÜ) | 12906026 |
| AMSTRON TRADE OÜ kustutatud | 14049748 |
| ASTROI GROUP OÜ | 14170823 |
| MAIDLA RESORT OÜ (former name Lamstrop OÜ) | 14645060 |