| Chenault Productions | — | — | 1 |
| Children's Film Foundation | — | 1951 | 1 |
| Children's Film Unit | London | 1981 | 1 |
| Chilefilms | — | 1942 | 1 |
| Chiller | 30 Rockefeller Plaza | 2007 | 1 |
| Chiller Films | New York City | — | 1 |
| China Children's Film Studio | — | — | 1 |
| China Film Studio | — | 1933 | 1 |
| China Southern Airlines | Guangzhou | 1991 | 1 |
| Christian Frei Filmproductions GmbH | — | — | 1 |
| Christie Film Company | — | 1916 | 1 |
| Chuck E. Cheese | Irving | May 17, 1977 | 1 |
| CHUM Limited | Toronto | 1945 | 1 |
| Chung Yuen Motion Picture | — | 1981 | 1 |
| Cine Art Productions | United States | — | 1 |
| Cine-Action Inc. | Montreal | — | 1 |
| Cine-Qua-Non | Stockholm | — | 1 |
| Cinecom Pictures | New York City | 1982 | 1 |
| Cinedistri | — | — | 1 |
| Cinelou Films | Los Angeles | — | 1 |
| Cinema Art Pvt. Ltd. | — | — | 1 |
| Cinema Fantasma | Mexico City | — | 1 |
| Cinemassacre Productions | — | 2004 | 1 |
| Cineproduzione Emo Bistolfi | — | — | 1 |
| Cinet Oy | — | — | 1 |
| Cinquième Maison | — | — | 1 |
| Ciné Manufacture | Paris | February 14, 1994 | 1 |
| Cinéfondation | — | 1998 | 1 |
| Circe Films | — | — | 1 |
| Citadel Entertainment | — | 1988 | 1 |
| Citizens Commission on Human Rights | Los Angeles | 1969 | 1 |
| Citizens United | Washington, D.C. | 1988 | 1 |
| Citizens United Productions | — | — | 1 |
| CITY-DT | Toronto | September 28, 1972 | 1 |
| CJ ENM Studios | — | — | 1 |
| Claro | — | 2003 | 1 |
| Clasa Films Mundiales | — | — | 1 |
| Clasikaletet | — | 1987 | 1 |
| Clean Slate Films | Mumbai | October 2014 | 1 |
| Closer Media | — | 2022 | 1 |
| CMO | Bogotá | 1999 | 1 |
| CO.Film | Stockholm | — | 1 |
| CockyBoys | New York City | 2007 | 1 |
| Comedy Central | New York City | April 1991 | 1 |
| Comix Wave | Tokyo | 1997 | 1 |
| Common Room Productions | Melbourne | — | 1 |
| Companhia Cinematográfica Vera Cruz | — | — | 1 |
| Company of Wolves | — | — | 1 |