| CARE Bangladesh |
| CARE Foundation |
| CARE International |
| Carlsberg A/S |
| Carlsberg Marston's Brewing Company |
| Carsis Consulting |
| CAST Foundation (also Yayasan Culture Art Science Technology) |
| Castlefield Partners Limited |
| Catavento Pesquisas LTDA |
| Cater Allen Limited |
| Caurnie Soap Co |
| Causeway Capital Management |
| Cavendish Asset Management |
| Cawston Press Ltd |
| CCDH Trading |
| Ceibal Centre for Support to Childhood and Adolescent Education |
| Centenary Rural Development Bank Ltd |
| Centerbase International Communications Ltd |
| Central University of Technology, Free State |
| Centre for Communication and Development of Bangladesh (CCD Bangladesh) |
| Centre for Contemporary Arts |
| Centre for Cultural Heritage Preservation |
| Centre for the Moving Image |
| Centre of Excellence for Rural Development |
| Centrica Plc |