| Company name | Reg. code |
|---|---|
| ASSETONE OÜ | 17126780 |
| HYDROMATEESTI OÜ (former name Assetline OÜ) | 14195488 |
| AMESTONE OÜ | 16106947 |
| ADSTONE OÜ | 17038716 |
| ASLETON OÜ | 10794308 |
| ASTONE OÜ | 12229676 |
| ABETONE EHITUS OÜ | 12871562 |
| ALEKSANDR ALSTONE OÜ | 11938382 |
| APSTONE & LOGHOUSES OÜ (former name Dimiworks OÜ) | 12837695 |
| AVAVA BÜROO OÜ (former name Leveradge KVB OÜ) | 14962151 |