| Company name | Reg. code |
|---|---|
| CARDOO OÜ | 16148710 |
| CARDOC OÜ kustutatud | 11761251 |
| CARGOO OÜ | 16847678 |
| CARDOS OÜ | 14408265 |
| AHTME CARDOC OÜ kustutatud | 16314781 |
| CARDIO TRADE OÜ | 12223076 |
| CARDOM SERVICE OÜ | 17029031 |
| CARDOZO ZAMBULLION OÜ (former name Archouse OÜ) | 14016602 |
| CARDEX BUSINESS CARDS OÜ (former name HubEx OÜ) | 16081093 |
| CARBON-6 OÜ | 16145628 |
| CARERO OÜ | 17458134 |
| CARPRO OÜ | 12723382 |
| CARIÑO OÜ | 17318963 |
| CARLOT OÜ | 17082344 |
| CARROL OÜ | 10016503 |
| CARDESO OÜ | 11579960 |
| CARLOS OÜ (former name Osaühing Carlos) | 10731992 |
| CÄRROT OÜ | 12080180 |
| CARINO OÜ kustutatud | 11579799 |
| CARDSOC OÜ | 14259003 |
| CARFOG OÜ | 17457620 |
| CARFOR OÜ | 12658710 |
| CARFOX OÜ | 12431248 |
| CARMOT OÜ | 12249147 |
| CARCOM OÜ | 10964495 |
| CARTON OÜ | 12149606 |
| CARDAY OÜ | 11752246 |
| CARDINO OÜ (former name BlinkAuto OÜ) | 17327277 |
| CARSOL OÜ | 12961006 |
| CARDIK OÜ | 10822140 |
| CARBON REDUCTION CARBON TRADING OÜ kustutatud | 16468142 |
| CARBON FARMS OÜ kustutatud | 14911604 |
| CARDEN MÜÜGINÕUSTAMINE OÜ | 17232683 |
| CARBON GLOBAL OÜ (former name OneOakLabs OÜ) | 16303524 |
| CARBON INVESTMENT OÜ kustutatud | 12139080 |
| CARSON TECHNOLOGIES OÜ | 16944559 |
| FOXCAP CARBON OÜ | 17215006 |
| CARDIN CONCIERGERIE OÜ | 17185392 |
| WILD CARROT OÜ | 16106516 |
| CARTOP TRADING OÜ | 11334514 |
| CARBON.EE OÜ kustutatud | 11528559 |
| CARNOT GRUPP OÜ | 14220969 |
| CARINO GRUPP OÜ | 11140448 |
| CARTOON CAFEES OÜ kustutatud | 14288051 |
| CARLOS CAFE OÜ | 10837880 |
| HAPPY CARROT OÜ | 11393014 |
| CARBON OFFSET OÜ | 16348030 |
| CARDOLA ESTONIA OÜ kustutatud | 12639500 |
| FAST CARROT OÜ | 14426790 |
| CARBON LIFE OÜ | 17228405 |