| Company name | Reg. code |
|---|---|
| TRIOBALT UÜ | 16704051 |
| PARKLAJOON OÜ kustutatud (former name Triobest UÜ) | 14245299 |
| JTK LOUHINTA OÜ kustutatud (former name Triosale UÜ) | 14085520 |
| TRIOSALE OÜ kustutatud (former name Triosale UÜ) | 14285727 |
| TRIOBEST OÜ (former name Triobest UÜ) | 14459096 |