| Coswell S.p.A. |
| Coty Inc |
| Counterculture Partnership LLP |
| Counterpoints Arts |
| Countrywide Limited |
| Covea Group |
| Coventry Biennial Ltd |
| Coventry Building Society |
| CPI S.A |
| Craghoppers Ltd |
| Craig Newmark Philanthropies |
| CREA |
| Create Ireland (C.A.F.E. Company Limited By Guarantee) |
| Creative Associates International, Inc |
| Creative Economy Team Limited |
| Creative Friction Ltd |
| Creative Listening |
| Creative UK Holdings Limited |
| CriteriaCaixa |
| Crossover Labs |
| Crown Agents Limited |
| Crvena Association for Culture and Art |
| Crystal Spring |
| Cultural Associates Oxford |
| Culture Aangan Tourism Pvt Ltd |