| Ettevõtte nimi | Reg. kood |
|---|---|
| CARBOSS OÜ | 14598171 |
| CARIOSA OÜ | 17235641 |
| CARGLOSS OÜ | 16973147 |
| CARCOPS OÜ kustutatud | 12266051 |
| CARNOSA OÜ kustutatud | 10449557 |
| CARBUS OÜ | 14248324 |
| CARDOS OÜ | 14408265 |
| CARBON-6 OÜ | 16145628 |
| CARLOS OÜ | 10731992 |
| CARBON REDUCTION CARBON TRADING OÜ kustutatud | 16468142 |
| CARROTS EN OÜ | 14360469 |
| CARBONI TRADE OÜ | 12333801 |
| CARBODY PAINTING OÜ | 14150772 |
| CURTIS CARBONI OÜ | 16442792 |
| CARBON CAPITAL OÜ | 14345048 |
| CARBON COUNTER OÜ | 14884787 |
| CARBON HEAVE OÜ | 16938984 |
| GREEN CARBON OÜ | 16288888 |
| CARBON OFFSET OÜ | 16348030 |
| RECOVERED CARBON OÜ | 16134493 |
| CARBES GURMEE OÜ | 14904254 |
| CARBON INVESTMENT OÜ kustutatud | 14285331 |
| CARBON LIFE OÜ | 17228405 |
| CARBON CRAB OÜ kustutatud | 12698603 |
| SAN CARLOS OÜ (endine nimi City Transfer OÜ) | 12362783 |
| CARBOX GRUPP OÜ | 16130472 |
| CARBON EHITUS OÜ kustutatud | 14214271 |
| STP CARLOS OÜ | 10471048 |
| CARBON INVESTMENT OÜ kustutatud | 12139080 |
| CARBON FARMS OÜ kustutatud | 14911604 |
| CARBON GLOBAL OÜ (endine nimi OneOakLabs OÜ) | 16303524 |
| FOXCAP CARBON OÜ | 17215006 |
| ARTECH CARBON OÜ | 12309435 |
| CARBON.EE OÜ kustutatud | 11528559 |
| 100% CARBON OÜ ASUTAMISEL | 13/UE/564 |
| CARBES KAUBANDUS OÜ | 12398309 |
| CARLOS CAFE OÜ | 10837880 |
| GREENUP CARBON TECH OÜ | 17078495 |
| CARBON CONTROL ESTONIA OÜ kustutatud | 16488831 |
| BRAZIL CARBON TECHNOLOGY OÜ | 16991524 |
| CARBON NEUTRAL EUROPE OÜ kustutatud | 14638083 |
| TRANS FORMULA CARBON OÜ | 12808983 |
| LOW CARBON TRADE OÜ | 16842557 |
| CARLOS ADELL COACHING OÜ kustutatud | 14900285 |
| TRIGON CARBON NEGATIVE AGRICULTURE OÜ kustutatud (endine nimi AS Trigon Carbon Negative Agriculture) | 12395145 |
| EUROPELLET OÜ (endine nimi OÜ Carbon) | 14194924 |
| KATI OÜ (endine nimi 100% Carbon OÜ) | 12441287 |
| BARBOSA OÜ (endine nimi KASEMETSA OÜ) | 11075679 |
| CABOSSA OÜ kustutatud | 16146881 |
| MAXBOSS OÜ | 14933103 |