| Canção Nova | — | — | 1 |
| Capri Entertainment | — | 2018 | 1 |
| Carlton-Film | — | — | 1 |
| Carousel Productions | Manila | — | 1 |
| Cartoon and puppet film studio Prague | Prague | — | 1 |
| Casablanca Records | Los Angeles | 1973 | 1 |
| Castafiore Films | Madrid | — | 1 |
| Catalan Institute of Finance | Gran Via de les Corts Catalanes | 1985 | 1 |
| CB Films | — | — | 1 |
| Centar FRZ | — | — | 1 |
| Center for Asian American Media | San Francisco | 1980 | 1 |
| Center for Investigative Reporting | Emeryville | 1977 | 1 |
| Centrum Film | — | 1944 | 1 |
| Channel 5 | — | April 6, 2021 | 1 |
| Chaplin-Mayer Pictures Company | — | 1920 | 1 |
| Charles Chaplin Productions | Los Angeles | — | 1 |
| Chaska Films | — | — | 1 |
| Chenault Productions | — | — | 1 |
| Children's Film Foundation | — | 1951 | 1 |
| Children's Film Unit | London | 1981 | 1 |
| Chiller | 30 Rockefeller Plaza | 2007 | 1 |
| Chiller Films | New York City | — | 1 |
| China Southern Airlines | Guangzhou | 1991 | 1 |
| Christie Film Company | — | 1916 | 1 |
| CHUM Limited | Toronto | 1945 | 1 |
| Cine Art Productions | United States | — | 1 |
| Cine+ | House of the Hellenic Broadcasting Corporation | — | 1 |
| Cine-Action Inc. | Montreal | — | 1 |
| Cine-Qua-Non | Stockholm | — | 1 |
| Cinecom Pictures | New York City | 1982 | 1 |
| Cinelou Films | Los Angeles | — | 1 |
| Cinema One | ABS-CBN Broadcasting Center | 1994 | 1 |
| Cinemassacre Productions | — | 2004 | 1 |
| Cinemax | New York City | — | 1 |
| Cinemex | Mexico City | 1995 | 1 |
| CineNomad | Munich | — | 1 |
| Cineplex Entertainment | Toronto | 1999 | 1 |
| Cinesite Animation | — | — | 1 |
| Cinet Oy | — | — | 1 |
| Cinevilla Studio | Riga | July 22, 2003 | 1 |
| Cineyug | Mumbai | 1997 | 1 |
| Cinquième Maison | — | — | 1 |
| Ciné Manufacture | Paris | February 14, 1994 | 1 |
| Ciné qua non | — | — | 1 |
| Cinéfondation | — | 1998 | 1 |
| Cinépolis | Morelia Municipality | 1971 | 1 |
| Circe Films | — | — | 1 |
| Citadel Entertainment | — | 1988 | 1 |