| Company name | Reg. code |
|---|---|
| WERMENTAL OÜ kustutatud (former name Toompihlaka OÜ) | 12738403 |
| WERMERAL OÜ kustutatud (former name Pürolüüs OÜ) | 12450524 |
| TERMESTAL OÜ | 12930129 |
| BERENTAL OÜ (former name Berental UÜ) | 14555368 |
| DERMETAL OÜ | 17115977 |
| ARMENTAL OÜ kustutatud | 14566142 |
| ERMETAL OÜ | 16352557 |
| ARTAPLOKK OÜ (former name Berental OÜ) | 12256779 |