| Ettevõtte nimi | Reg. kood |
|---|---|
| VOLTMONT OÜ | 17404185 |
| VOLTMART OÜ | 14530121 |
| VOLLMOND OÜ kustutatud | 10986284 |
| VOLTON RETAIL OÜ | 17311253 |
| VOLTON INVEST OÜ | 17312726 |
| VOLTON TECHNOLOGY OÜ | 17019506 |
| VOLTON SOFTWARE OÜ | 17312614 |
| VOLTON GROUP OÜ | 17313217 |
| VOLTON POWER MANAGEMENT OÜ | 17380018 |
| VILMONT OÜ | 12460095 |
| COLMONT OÜ | 14951963 |
| COLEMONT KINDLUSTUSMAAKLER OÜ | 11144771 |