| Company name | Reg. code |
|---|---|
| CITRUS OÜ | 11410617 |
| CITRUS PROJECT OÜ | 12757174 |
| CITRUS HOLDING OÜ | 10484252 |
| CITRUSEO OÜ | 14976153 |
| CITIUS INVEST OÜ | 12213735 |
| CITIUS A.P. OÜ | 10274939 |
| CITYBUS OÜ | 12936729 |
| CITRANS OÜ | 14573030 |
| CITROL OÜ | 10376829 |
| CITRIX OÜ kustutatud | 10991003 |
| CITORU OÜ | 12622801 |
| CITRON OÜ kustutatud | 14602582 |
| CITRON GURMANDE OÜ | 12753093 |
| CLEVER CITIES OÜ | 16539959 |
| CITRIN GRUPP OÜ | 12657194 |
| CLEVER CITIES GROUP OÜ | 16707701 |
| CIRRUS OÜ | 12086610 |
| DIGITAL NITRUS OÜ | 16843738 |
| WRIKE ESTONIA OÜ (former name Citrix Estonia OÜ) | 16271907 |
| CITUM OÜ | 16018806 |
| CLARUS OÜ | 11197684 |
| CAERUS OÜ | 11520091 |
| CERTUS OÜ | 10933069 |
| ICARUS OÜ | 14356516 |
| SITKUS OÜ | 16620621 |
| CEDRUS OÜ kustutatud | 12022834 |
| VIRTUS OÜ kustutatud | 12448473 |
| CIRIUS OÜ | 16108202 |
| CETTUS OÜ | 16493915 |
| SIMRUS OÜ | 14090219 |
| SCIURUS OÜ | 10598990 |
| CURRUS24 OÜ | 16354817 |
| CURRUS OÜ | 14944779 |
| ESTRUS OÜ kustutatud | 12749648 |
| CATSUS OÜ | 11168955 |
| KIIRUS OÜ (former name Clashers Kebab OÜ) | 12919079 |
| NITRUM OÜ | 16001510 |
| VITARUS OÜ | 11237627 |
| CIRQUS OÜ | 16585712 |
| TSITRUS OÜ | 11562356 |
| MITMUS OÜ | 10981795 |
| CURTUS INVEST OÜ | 14538499 |
| CERTUS INVEST OÜ | 11221678 |
| E-SCIURUS OÜ | 14770411 |
| SCIURUS SERVICES OÜ | 16931605 |
| ADVOKAADIBÜROO CLARUS OÜ | 11221454 |
| VIRTUS CAPITAL OÜ | 16220347 |
| KIIRUS TEAM OÜ | 14799254 |
| CLARUS LOGISTIC OÜ kustutatud | 14196716 |
| CAERUS CAPITAL OÜ kustutatud | 12803201 |