| Boshra Film | Iran | — | — | — |
| Bowers Comedy Corporation | United States | 1926 | — | — |
| BOXMEDIA | South Korea | 2009 | — | — |
| Brainpool TV | Germany | November 28, 1994 | — | — |
| Brandtfilm | Germany | 1973 | — | — |
| BRB Internacional | Spain | 1972 | — | — |
| Brilliance Communications | Finland | 2011 | — | — |
| Brittia Films | — | 1952 | — | — |
| Broadcasters | Finland | 1990 | — | — |
| BUF Compagnie | — | 1984 | — | — |
| Bulldog TV | Spain | 2015 | — | — |
| Bélokapi | France | 1968 | October 12, 1994 | — |
| Böller und Brot | Germany | — | — | — |
| Cactus production | Tunisia | 2002 | — | — |
| Cake Entertainment | United Kingdom | 2002 | — | — |
| Caligari Film | Germany | — | — | — |
| CALT | France | 1999 | — | — |
| Calvin Company | United States | 1931 | — | — |
| Camelot Entertainment Group | United States | — | — | — |
| Camelot Filmproduktion | Germany | 1994 | — | — |
| Candescent Films | — | 2010 | — | — |
| Candy Film | Denmark | 1969 | 2001 | — |
| CAPA agency | France | August 1989 | — | — |
| Caramel Pictures | Netherlands | 1977 | — | — |
| Carrere Group | — | 1986 | — | — |
| Carson Prod | France | April 2001 | — | — |
| CB TV | France | 1989 | — | — |
| CBC Film Sales Corporation | United States | June 19, 1918 | January 10, 1924 | — |
| CBS Media Ventures | United States | September 26, 2006 | — | — |
| CBS Paramount Network Television | United States | January 17, 2006 | 2009 | — |
| CC&C – Clarke Costelle et Cie | France | 2001 | — | — |
| Cenpro Televisión | Colombia | — | — | — |
| Center for Audio-visual Media | Uruguay | 1982 | — | — |
| Century Creator Company | — | 1990 | — | — |
| Chiloé Productions | France | 2003 | — | — |
| Choirock Contents Company | South Korea | December 5, 2007 | — | — |
| Chorokbaem Media | South Korea | 2000 | — | — |
| Chronos Film | Germany | 2001 | — | — |
| Chuvashcinema | Russia | 1926 | — | — |
| CineCentrum Berlin Film- und Fernsehproduktion | Germany | — | — | — |
| Cinecentrum Hilversum | Netherlands | — | — | — |
| CineMagic Co. | Japan | November 11, 1983 | — | — |
| CineMedia Film | Germany | — | — | — |
| Cinephon | Germany | 1975 | — | — |
| Cinevillaggio | Italy | — | 1945 | — |
| CineVox Filmproduktion GmbH | Germany | 1983 | — | — |
| Cinégram | — | 1928 | — | — |
| Clarius Entertainment | — | 2012 | — | — |
| Clutch. Co.,ltd. | Japan | April 2005 | — | — |
| CNplus Production. Inc. | Taiwan | May 25, 2011 | — | — |
| Colombiana de Televisión | Colombia | June 16, 1972 | — | — |
| Color Climax Corporation | — | 1967 | — | — |
| Coloroom Pictures | People's Republic of China | October 25, 2015 | — | — |
| Combat Zone | United States | 2006 | — | — |
| Comedy Central Films | United States | 1995 | — | — |
| Comité français de radio-télévision | France | 1948 | — | — |
| Constantin Entertainment | Germany | 2001 | — | — |
| Contrakultura Films | Argentina | 2002 | — | — |
| Corsan | Belgium | January 29, 1985 | December 16, 2016 | — |
| Corymore Productions | United States | 1987 | — | — |
| Cowlip Productions | United States | — | — | — |
| Coyote | France | January 19, 1989 | — | — |
| CPT | Colombia | 1979 | — | — |
| Creative Impulse Entertainment | — | 2003 | — | — |
| Cross | Japan | 2005 | — | — |
| Crown Seven Ventures | Philippines | — | — | — |
| Créativité et Développement | France | 1987 | 1998 | — |
| Cuarzo Producciones | Spain | 2000 | — | — |
| Cuatro Cabezas | Argentina | 1993 | — | — |
| Cultural Endowment of Estonia | Estonia | November 4, 1994 | — | — |
| Culver Studios | United States | 1918 | — | — |
| Curtis Enterprises | United States | October 6, 1961 | — | — |
| Cwmni Da | Wales | 1997 | — | — |
| Czech Audiovisual Fund | Czech Republic | 2013 | — | — |
| D35 | Poland | — | — | — |
| Daito | Japan | 1928 | 1942 | — |
| Daltelefilm | Russia | 1968 | September 1994 | — |
| Dansk filmfabrik | Denmark | — | — | — |
| Das | Japan | 2007 | — | — |
| Daylight Entertainment Ltd. | People's Republic of China | August 17, 2011 | — | — |
| De Filistijnen | Belgium | 2004 | — | — |
| De Mensen | Belgium | April 2001 | — | — |
| Def2shoot | — | 2002 | 2008 | — |
| Deka-Film | Germany | — | — | — |
| Deutsch-Film-Produktion | Germany | — | — | — |
| Disney Television Studios | United States | May 15, 2019 | — | — |
| Dlo/Magnolia | Spain | 2004 | — | — |
| Doc.station Medienproduktion | Germany | 1999 | — | — |
| Dogma | Japan | 2001 | — | — |
| DOK1 Media | Belgium | May 2018 | — | — |
| Doozer | United States | 2001 | — | — |
| Dori Media | Israel | 1999 | — | — |
| DoRo Productions | Austria | — | — | — |
| Dorothy Parker Drank Here Productions | United States | 1996 | — | — |
| Douglas Entertainment | Denmark | 2010 | — | — |
| Drama House Studio | South Korea | 2007 | — | — |
| Dream Quest Images | — | 1982 | 2001 | — |
| Døvefilm | Denmark | 1963 | — | — |
| E1 Television | — | 1980 | 2024 | — |
| East Siberian Newsreel Studio | Russia | September 11, 1930 | — | — |