| CONNECTO | |
| CONSTRUCC MECANICAS ALCAY | |
| CONTEROL | |
| CONTEROL SEGURIDAD Y MEDIO AMBIENTE, S.L.U. | |
| CONTHIDRA | |
| CONTI ULTIMATE | |
| CONTINENTAL | |
| CONTROL HELADAS | |
| CONTROLAGRO | |
| COPERSA | |
| COPRISA AGRÍCOLA E INDUSTRIAL S.L.U | |
| CORAGEAR | |
| CORBINS | |
| CORBINS AGRICULTURAL TECHNOLOGY | |
| CORDEX | |
| CORDEX - COMPANHIA INDUSTRIAL TEXTIL | |
| CORONA | |
| CORTEVA | |
| CORTEVA AGRISCIENCE - PIONEER | |
| CORVUS OFF-ROAD VEHICLES | |