| Company name | Reg. code |
|---|---|
| ITS01 HOLDING OÜ (former name Installation OÜ) | 14755050 |
| ETS HOLDING OÜ | 16332537 |
| DITS HOLDING OÜ kustutatud | 14986306 |
| ITIS HOLDING OÜ | 14782227 |
| FUNNELSYSTEMS OÜ (former name OÜ Saluveer IT Holding) | 16462323 |
| STARTUPUP IT OÜ (former name ICV-IT Holding OÜ) | 14570451 |