| Company name | Reg. code |
|---|---|
| AERLON OÜ | 17321794 |
| AERTON OÜ | 12589920 |
| AERON PUITMET OÜ kustutatud | 10126765 |
| AEROCON OÜ | 14100878 |
| AERGOS OÜ | 17206102 |
| AERDOM 4G OÜ kustutatud | 12459577 |
| AMERLON OÜ | 14598159 |
| GERLON OÜ | 12416993 |
| MERLON TRANS OÜ (former name Merlon Trans UÜ) | 16653773 |
| MERLON EHITUS OÜ | 12946290 |
| MERLON KV OÜ (former name Merlon Kaubandus UÜ) | 16001119 |
| AESTON OÜ | 12052628 |
| ALERON OÜ kustutatud | 11671631 |
| ABRILON OÜ | 10079847 |
| AMERTON OÜ kustutatud | 12299576 |
| AKERON OÜ | 12801716 |
| AREGON OÜ | 12670839 |
| AARTON OÜ | 12368171 |
| AARSON OÜ kustutatud | 16162845 |
| AMERSON OÜ | 16492413 |
| ARELIN OÜ | 14265713 |
| ADELON OÜ kustutatud | 11531634 |
| ALLRON OÜ | 16413299 |
| AIRCON OÜ | 16610611 |
| ARCLON OÜ kustutatud | 16714032 |
| AEDION OÜ | 16590340 |
| ALERON OÜ (former name Big Ben TV OÜ) | 16480137 |
| AMRION OÜ | 10951328 |
| AEKSON OÜ | 10793467 |
| AGRION OÜ kustutatud | 11045856 |
| ABERON OÜ | 11852255 |
| AEGAON OÜ | 12794672 |
| NOQQ EESTI OÜ (former name Aeriqon OÜ) | 16861508 |
| GUNJUR NEMASU OÜ (former name Aerok OÜ) | 14258682 |
| ABALON ARENDUS OÜ | 11173979 |
| AMERON INVEST OÜ kustutatud | 14387712 |
| AMELON GRUPP OÜ kustutatud | 12560388 |
| ACERON SERVICES OÜ | 14781260 |
| AMERON STEEL OÜ | 14708398 |
| AIRCON PARTNER OÜ kustutatud | 12035149 |
| AEGION SOLUTIONS OÜ kustutatud | 14878249 |
| AETHON SYSTEMS OÜ | 17345654 |
| ARELION ESTONIA OÜ (former name Telia Carrier Estonia OÜ) | 12606073 |
| APERON AUTO OÜ kustutatud | 10353432 |
| APERION HOLDING OÜ kustutatud | 11372383 |
| AIRY&AIRYON OÜ | 12704723 |
| AMERON ASSETS OÜ (former name Fungifarm OÜ) | 12644524 |
| ALERON INVESTMENT OÜ kustutatud | 14471482 |
| ANDERLON TRANS OÜ kustutatud | 11025405 |
| AIRCON ARENDUS OÜ | 11399933 |