| Company name | Reg. code |
|---|---|
| HYRONIX OÜ (former name Marlys OÜ) | 14499517 |
| HYRON CONSULTING OÜ | 16758070 |
| EYEONIX OÜ kustutatud | 14611687 |
| AURONIX OÜ | 11088883 |
| AIRONIX OÜ | 17465737 |
| VEYRONIX OÜ | 17278596 |
| DYONIX OÜ | 16973153 |
| STRONIX FITNESS OÜ | 17451669 |
| PHYTONIX EHITUS OÜ kustutatud | 10924582 |
| KASKOD - MTRONIX OÜ | 12726216 |
| PRONIX FAMILY OÜ | 16880003 |
| TRONIX SOLUTIONS OÜ kustutatud | 14304293 |
| APOLLOTRADE OÜ (former name Hornix Arendus OÜ) | 14802016 |
| T.TORMINOS OÜ kustutatud (former name Tronix Consulting OÜ) | 12603620 |