| Company name | Reg. code |
|---|---|
| ROOTROP OÜ | 17168324 |
| ROONROS OÜ kustutatud | 12251799 |
| ROOTLOOP OÜ | 12346169 |
| ROOTCOM OÜ | 10730277 |
| ROOTOR OÜ | 16157152 |
| ROOFTOP GRUPP OÜ | 14160925 |
| FR ROOTOR OÜ | 10427107 |
| SWISSBORG NETWORKS OÜ (former name RootGroup OÜ) | 14593995 |
| ROBOTRON OÜ | 11261943 |
| KINOSKOOP OÜ (former name Rootor OÜ) | 12297695 |
| NODROP OÜ (former name Notrop OÜ) | 17430147 |