| 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 |
| Coöperatieve Rabobank U.A. (Rabobank Group) [OLD: Coop. Centrale Raiffeisen-Boerenleenbank] |
| Cooperative Innovations |
| Copper Tun Ltd. [Trading as Nirvana Brewery] |
| Corewoman Corp. |
| Costa Limited |
| Costo Oy |