| Company name | Reg. code |
|---|---|
| CARFOG OÜ | 17457620 |
| CARFOR OÜ | 12658710 |
| CARFOX OÜ | 12431248 |
| KOLGA TEENUSED OÜ (former name Carfor Motors OÜ) | 12570621 |
| CARBON-6 OÜ | 16145628 |
| CARLOT OÜ | 17082344 |
| CARTOR OÜ | 14704093 |
| CARDOC OÜ kustutatud | 11761251 |
| CARROL OÜ | 10016503 |
| CARLOS OÜ (former name Osaühing Carlos) | 10731992 |
| CÄRROT OÜ | 12080180 |
| CARGOO OÜ | 16847678 |
| CARDOO OÜ | 16148710 |
| CAROFA OÜ kustutatud | 14260236 |
| CARMOT OÜ | 12249147 |
| CARCOM OÜ | 10964495 |
| CARTON OÜ | 12149606 |
| CAROFF OÜ | 17315305 |
| CARFIT OÜ | 16430777 |
| CARSOL OÜ | 12961006 |
| CARVOL OÜ | 17160274 |
| CARDOS OÜ | 14408265 |
| CARBON REDUCTION CARBON TRADING OÜ kustutatud | 16468142 |
| CARLO OÜ | 16726756 |
| CARFI OÜ kustutatud | 11725485 |
| 1CARGO OÜ | 12205204 |
| CARFY OÜ | 16576222 |
| CARBON FARMS OÜ kustutatud | 14911604 |
| CARBON GLOBAL OÜ (former name OneOakLabs OÜ) | 16303524 |
| CARBON INVESTMENT OÜ kustutatud | 12139080 |
| CARSON TECHNOLOGIES OÜ | 16944559 |
| FOXCAP CARBON OÜ | 17215006 |
| WILD CARROT OÜ | 16106516 |
| CARTOP TRADING OÜ | 11334514 |
| CARBON.EE OÜ kustutatud | 11528559 |
| CARNOT GRUPP OÜ | 14220969 |
| CARLOS CAFE OÜ | 10837880 |
| HAPPY CARROT OÜ | 11393014 |
| GTO CARFIX OÜ | 14785499 |
| CARBON OFFSET OÜ | 16348030 |
| AHTME CARDOC OÜ kustutatud | 16314781 |
| MK CARFIX OÜ | 14609710 |
| FAST CARROT OÜ | 14426790 |
| CARBON LIFE OÜ | 17228405 |
| CARBON CRAB OÜ kustutatud | 12698603 |
| 100% CARBON OÜ ASUTAMISEL | 13/UE/564 |
| EST-CARTON OÜ | 11093217 |
| ARTECH CARBON OÜ | 12309435 |
| CARBON INVESTMENT OÜ kustutatud | 14285331 |
| CARTOM GRUPP OÜ | 11985984 |