| Company name | Reg. code |
|---|---|
| TVIRON OÜ kustutatud | 14238455 |
| TVICON OÜ | 14955636 |
| AVIRON OÜ | 14012917 |
| EVIRON OÜ kustutatud | 14572496 |
| AVIRON INVESTMENT OÜ | 17005757 |
| AVIRON HALDUS OÜ | 17389829 |
| AVIRON TEENUS OÜ (former name Aviron Teenus UÜ) | 16939570 |
| VIRON MATKAT OÜ | 17006780 |
| VIRON TP OÜ | 10954746 |
| VIRON KONEPAJA OÜ kustutatud | 14573828 |
| ALVIRON OÜ | 10206955 |
| AVORON OÜ | 14349657 |
| NOVIRON OÜ kustutatud | 10009858 |
| KIVRON OÜ | 10409569 |
| EPIRON OÜ (former name Lux Credit OÜ) | 12689351 |
| EVERON OÜ | 17380030 |
| ALIRON OÜ | 12163244 |
| AHIRON OÜ | 14502946 |
| HEIRON OÜ | 14112553 |
| AVIROX OÜ | 12490647 |
| ALTVIRON OÜ (former name Pvc Woodal OÜ) | 16658183 |
| NAVIRON OÜ | 16832205 |
| EVICON OÜ | 14509500 |
| AMIRON OÜ | 12235694 |
| BAIRON OÜ | 14037538 |
| EMIRON OÜ | 11524172 |
| AVITRON OÜ (former name Adteh OÜ) | 12722520 |
| EVERON ASSETS OÜ kustutatud | 11589970 |
| KAIRON GRUPP OÜ kustutatud | 11709121 |
| GVIDON PRODUCTION OÜ kustutatud | 14137464 |
| AMIRON SERVICE OÜ kustutatud (former name Amiron Building OÜ) | 14229686 |
| LEVIRON GRUPP OÜ | 11594468 |
| AVERON PROFF OÜ (former name Averon Proff UÜ) | 14141218 |
| APIRON TECH OÜ | 17424780 |
| AVARON PARTNERS OÜ kustutatud | 12135426 |
| OVERON EHITUS OÜ kustutatud | 11270257 |
| AVERON KINNISVARAHALDUS OÜ kustutatud | 10729771 |
| KHIRON GROUP OÜ | 17370959 |
| AVYRON TECHNOLOGIES OÜ | 17473636 |
| MEIRON GRUPP OÜ kustutatud | 12121789 |
| CHIRON INVEST OÜ | 11012259 |
| AVERON VARAHALDUSE OÜ kustutatud | 10514817 |
| MAIRON GROUP OÜ | 12994572 |
| OVERON BALTIC OÜ | 11594632 |
| DAIRON PLUSS OÜ | 10968040 |
| MAIRON INVEST OÜ kustutatud | 10864285 |
| NEIRON TECHNOLOGY OÜ | 17122902 |
| AVARON FINANCE OÜ kustutatud | 11446749 |
| EVIKON MCI OÜ | 10299402 |
| KAIRON MEDIA OÜ kustutatud (former name KAIRON FARM) | 12395535 |