| Company name | Reg. code |
|---|---|
| TREKOLEN OÜ | 12888290 |
| TREKOLEN PRO OÜ | 17234400 |
| TREVOSEN OÜ | 12766842 |
| TREKOMER OÜ | 16884701 |
| TREKKEN OÜ | 10825724 |
| TREKOLA OÜ | 10020624 |
| TRESOLE OÜ kustutatud | 10975487 |
| TREVOSEN AUTO OÜ | 17225737 |
| BREMOLEN OÜ | 10870191 |
| THEKLEN.AI OÜ (former name Theklen Technologies OÜ) | 16755060 |
| THEKLEN SOLUTIONS OÜ (former name Moblet OÜ) | 12693994 |