| Company name | Reg. code |
|---|---|
| KTX HOLDING OÜ (former name TOBIACOS OÜ) | 16854750 |
| STX HOLDING OÜ | 14028924 |
| KTK HOLDING OÜ kustutatud | 12340942 |
| KTA7 HOLDING OÜ (former name Kastra OÜ) | 14080095 |
| KTS HOLDINGS OÜ | 14562227 |
| KT HOLDING OÜ kustutatud | 12159013 |
| AGRY OÜ (former name KTM Holding OÜ) | 14785246 |