| Christie Film Company | — | 1916 | 1 |
| CHUM Limited | Toronto | 1945 | 1 |
| Chung Yuen Motion Picture | — | 1981 | 1 |
| Cine Art Productions | Amerika Serikat | — | 1 |
| Cine-Qua-Non | Stockholm | — | 1 |
| Cinedistri | — | — | 1 |
| Cineflix | Montreal | 2002 | 1 |
| Cinelou Films | Los Angeles | — | 1 |
| Cinema Art Pvt. Ltd. | — | — | 1 |
| Cinemassacre Productions | — | 2004 | 1 |
| Cinemax | Kota New York | — | 1 |
| Cinemex | Kota Meksiko | 1995 | 1 |
| Cineplex Entertainment | Toronto | 1999 | 1 |
| Cineproduzione Emo Bistolfi | — | — | 1 |
| Cinevilla Studio | Riga | 22 Juli 2003 | 1 |
| Cineyug | Mumbai | 1997 | 1 |
| Cinquième Maison | — | — | 1 |
| Ciné qua non | — | — | 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 | 28 September 1972 | 1 |
| CJ ENM | Seoul | 16 Desember 1994 | 1 |
| CJ ENM Studios | — | — | 1 |
| CL Productions | Polygono | 1998 | 1 |
| Clasa Films Mundiales | — | — | 1 |
| Clean Slate Films | Mumbai | Oktober 2014 | 1 |
| Closer Media | — | 2022 | 1 |
| Closer Productions | Adelaide, Australia Selatan | 2010 | 1 |
| ClubJenna | Scottsdale | 2000 | 1 |
| CMO | Bogotá | 1999 | 1 |
| CO Production | — | — | 1 |
| CO.Film | Stockholm | — | 1 |
| Cogitoworks | Setagaya | 10 Januari 2008 | 1 |
| Comedy Partners | — | — | 1 |
| Comix Wave | Tokyo | 1997 | 1 |
| Company of Wolves | — | — | 1 |
| Connaissance Films | Kota New York | — | 1 |
| Consejo Superior de Investigaciones Científicas | CSIC central building, Madrid | 24 November 1939 | 1 |
| Consolidated Film Industries | — | 1914 | 1 |
| Conspiracy Entertainment | Long Beach | 1997 | 1 |
| Constellation Productions | — | — | 1 |
| Contact Films | — | — | 1 |
| Continental Company | — | — | 1 |
| Counihan-Villiers Films | — | — | 1 |
| Creado Film | Konstanz | — | 1 |