| Company name | Reg. code |
|---|---|
| CITYCO OÜ kustutatud | 11907983 |
| CITYCOM WEST OÜ | 17013455 |
| CITYCOM NORD OÜ | 14865318 |
| CITYCOM GROUP OÜ | 10858729 |
| CITYCON BALTICS HOLDING OÜ kustutatud (former name Kristiine Keskus OÜ) | 12063655 |
| CITYGO OÜ kustutatud (former name Saare Puidutööd OÜ) | 12526925 |
| CITYCORP OÜ kustutatud | 10960385 |
| COMPPROJECT OÜ (former name Citycoco OÜ) | 14676830 |
| DABHEL KOTESWAR OÜ kustutatud (former name Citycorp OÜ) | 14845965 |
| CITYCAB OÜ | 17020840 |
| CITYCIG OÜ kustutatud | 12530878 |
| CITYPRO OÜ | 11300455 |
| CITYFOX OÜ kustutatud | 11785122 |
| CITYCAM OÜ | 16795295 |
| CITYTOP OÜ | 12006640 |
| CITYCAR OÜ | 11813829 |
| CITYCOMPLEX OÜ | 16896793 |
| CITYCONSULT OÜ | 10827410 |
| CITYX OÜ | 14406622 |
| CITYBOX TALLINN OÜ | 14429764 |
| CITYW LS OÜ kustutatud | 14911260 |
| CITYW EUROPE OÜ (former name CityW.eu OÜ) | 14569583 |
| CITIC EHITUS OÜ | 12248410 |
| CITYX HOLDING OÜ | 14900658 |
| CITO OÜ | 12596535 |
| CITY OÜ | 10349666 |
| CITY 360 OÜ | 14303626 |
| CITY 100 OÜ kustutatud | 12177413 |
| BUILDNOVA OÜ (former name CityConstruct OÜ) | 17032323 |
| CITY HOME OÜ | 11415862 |
| CITY BUSINESS OÜ (former name MT Sales Management OÜ) | 14950811 |
| CITY RETHINK OÜ | 16848942 |
| CITY LOUNGE OÜ kustutatud | 11690485 |
| CITY INVESTEERINGUD OÜ | 14001380 |
| CITY IMPEX OÜ kustutatud | 11573561 |
| AHTRI CITY OÜ kustutatud | 12051540 |
| CITY AKTIV OÜ | 14356321 |
| MY CITY OÜ | 12669180 |
| CITY KONSULTATSIOONIDE OÜ kustutatud | 10422897 |
| CITY BREAKS OÜ kustutatud | 14693662 |
| CITY TRAVEL OÜ | 12584093 |
| CITY BIKE OÜ | 10948823 |
| CITY FORMAT OÜ kustutatud | 11513429 |
| CITY LOKAAL OÜ kustutatud | 11928567 |
| CITY DISCOVER OÜ | 12199975 |
| CITY CRUISER OÜ | 16866546 |
| CITY LINES OÜ | 16672598 |
| GREEN CITY OÜ | 12293199 |
| CITY SCREEN OÜ kustutatud | 11427598 |
| CITY EXPO OÜ | 11451243 |