| Company name | Reg. code |
|---|---|
| RAID GROUP OÜ kustutatud | 11741283 |
| RAIT GROUP OÜ (former name Research OÜ) | 14023789 |
| RAIL TECHNOLOGIES GROUP OÜ kustutatud (former name Wellstar Estonia 9 OÜ) | 12808807 |
| RAIL SMART GROUP OÜ | 14450356 |
| ESPOL RAIL GROUP OÜ kustutatud | 12644240 |
| RAIDOS GROUP OÜ | 12930514 |
| MESSE RAND CONSULTING GROUP OÜ kustutatud | 14827134 |