| Company name | Reg. code |
|---|---|
| NEXTROVA OÜ | 17477396 |
| NEXGROVE 7 OÜ | 17180621 |
| NEXTORIA OÜ | 17171616 |
| NEXTRRA OÜ kustutatud | 16420661 |
| NEXTRON OÜ | 16021797 |
| NEXOVA OÜ | 17452503 |
| PETROVA PETROVA OÜ | 17407792 |
| VENTROVA OÜ | 17071487 |
| NEROVA OÜ | 11390620 |
| KOMANDA PETROVA OÜ | 11708423 |
| DR. JELENA PETROVA OÜ | 16344836 |
| VIRTUAALSE TEHNOLOOGIA SÜSTEEMID OÜ kustutatud (former name Nerova OÜ) | 14026581 |