| Company name | Reg. code |
|---|---|
| CARSOL OÜ | 12961006 |
| CARSOLD OÜ kustutatud | 16759170 |
| CARSOLA GRUPP OÜ kustutatud | 10497409 |
| CARROL OÜ | 10016503 |
| CARVOL OÜ | 17160274 |
| CARSON TECHNOLOGIES OÜ | 16944559 |
| CARSON TRADE OÜ | 10350110 |
| CAROL JPG OÜ | 17434599 |
| CAROL MÄKERDAB OÜ | 17175962 |
| CARBON-6 OÜ | 16145628 |
| CARLOS OÜ (former name Osaühing Carlos) | 10731992 |
| CARLOT OÜ | 17082344 |
| CARDOC OÜ kustutatud | 11761251 |
| CARGOO OÜ | 16847678 |
| CARSPA OÜ kustutatud | 14317829 |
| CARBEL OÜ | 14590910 |
| CARMOT OÜ | 12249147 |
| CAROLL OÜ | 17049252 |
| CARSELL OÜ | 10244111 |
| CARFOG OÜ | 17457620 |
| CARDOO OÜ | 16148710 |
| CARSPA OÜ kustutatud | 11401883 |
| CARSER OÜ | 14566834 |
| CARFOX OÜ | 12431248 |
| CARCOM OÜ | 10964495 |
| CARDOS OÜ | 14408265 |
| CARDSOC OÜ | 14259003 |
| CARFOR OÜ | 12658710 |
| CÄRROT OÜ | 12080180 |
| CARSET OÜ | 17300054 |
| CARBON REDUCTION CARBON TRADING OÜ kustutatud | 16468142 |
| CARBON INVESTMENT OÜ kustutatud | 12139080 |
| CARBON GLOBAL OÜ (former name OneOakLabs OÜ) | 16303524 |
| CARBON FARMS OÜ kustutatud | 14911604 |
| CARSALE GROUP OÜ kustutatud | 12223099 |
| FOXCAP CARBON OÜ | 17215006 |
| CAROLY STUDIO OÜ | 11033053 |
| CARMEL OUTLET OÜ kustutatud | 12025117 |
| CARNOT GRUPP OÜ | 14220969 |
| CARBON.EE OÜ kustutatud | 11528559 |
| WILD CARROT OÜ | 16106516 |
| CARBON CRAB OÜ kustutatud | 12698603 |
| CARLOS CAFE OÜ | 10837880 |
| CARMEL CONSULT OÜ kustutatud | 10937044 |
| CARMEL TRANS OÜ kustutatud | 10999571 |
| FAST CARROT OÜ | 14426790 |
| CARDOLA ESTONIA OÜ kustutatud | 12639500 |
| CARBON LIFE OÜ | 17228405 |
| 100% CARBON OÜ ASUTAMISEL | 13/UE/564 |
| ARTECH CARBON OÜ | 12309435 |