| Coffee#1 ltd |
| Coffey |
| Coin Street Community Builders Limited |
| Colgate-Palmolive Co |
| Collins Institute of English |
| Columbia Sportswear Co Inc |
| COMAR Assurances |
| Comcast Corporation |
| Comedic Ltd |
| Common Purpose Charitable Trust |
| Commonwealth Foundation |
| Commonword Enterprises Ltd. |
| Communication Effect Integrated Communication S.A. |
| Community Clothing LLC |
| Community Fibre Limited |
| Compaq Computer Deutschland GmbH (Holding) |
| Compton RE Limited |
| Comsys Ghana |
| Conferencing In A Box Limited |
| Connect Futures C.I.C. |
| Connells Limited |
| Conscious Skincare Ltd |
| Continental Tours |
| Cooks Global Foods |
| Coop Italia Società Cooperativa |