| Company name | Reg. code |
|---|---|
| ARCLON OÜ kustutatud | 16714032 |
| ARCHON OÜ | 14063317 |
| ARCEON CONSULTING OÜ | 14305973 |
| ARCHON INVEST OÜ | 11265428 |
| ARCLO DESIGNS OÜ (former name Ventura Solutions OÜ) | 16932680 |
| ARCON GROUP OÜ | 14304850 |
| ARCALOR OÜ | 10871090 |
| ARCTAN OÜ | 16185125 |
| ARCTOS OÜ | 10987668 |
| ARCFOR OÜ (former name Fortes Õigusbüroo OÜ) | 14229427 |
| ARCMAN OÜ | 11530936 |
| ARCHELON OÜ | 14647125 |
| ARCOIN OÜ | 16367949 |
| ARCONA TEAM OÜ kustutatud | 11983626 |
| ARCHOA INVESTMENTS OÜ kustutatud | 14079519 |
| ARCCOT STORAGE OÜ kustutatud | 16115708 |
| ARCMAN KINNISVARA OÜ | 10955326 |
| ARCMAN GROUP OÜ | 10955160 |
| ARCONS INV OÜ | 17181359 |
| ARTLON OÜ | 16869220 |
| ARPLON OÜ kustutatud | 11989882 |
| ARICTON OÜ | 14329028 |
| ARIGON OÜ kustutatud | 10623736 |
| ABRILON OÜ | 10079847 |
| ARISON OÜ kustutatud | 12351963 |
| AREGON OÜ | 12670839 |
| ARKOLON OÜ | 11900876 |
| ARAKON OÜ | 14740019 |
| ARELIN OÜ | 14265713 |
| ADELON OÜ kustutatud | 11531634 |
| AIRCON OÜ | 16610611 |
| ARHEON OÜ | 10361740 |
| ARGOON OÜ | 14634174 |
| ARISON OÜ | 14534828 |
| ARMEON OÜ | 17242991 |
| AERLON OÜ | 17321794 |
| ARGOON SERVICE OÜ | 14084348 |
| ABALON ARENDUS OÜ | 11173979 |
| ARAGON DISAIN OÜ | 10978959 |
| ARIKON SERVICES OÜ kustutatud | 11977241 |
| AMELON GRUPP OÜ kustutatud | 12560388 |
| ARKOLON EHITUS OÜ | 16110908 |
| ARIKON TEENUS OÜ kustutatud (former name Arikon Teenus UÜ) | 16076778 |
| ARITON RV OÜ | 11357478 |
| AIRCON PARTNER OÜ kustutatud | 12035149 |
| ARAGON CONSULTING OÜ kustutatud | 11003527 |
| ARELION ESTONIA OÜ (former name Telia Carrier Estonia OÜ) | 12606073 |
| ARDEON GROUP OÜ | 12337897 |
| AIRCON ARENDUS OÜ | 11399933 |
| ARISON MARKETING OÜ | 16622502 |