| C More | Sweden | 1997 | — | 1 |
| C&I entertainment | Japan | April 2003 | — | 4 |
| C-Films | Switzerland | 1999 | — | 3 |
| C-Hundred Film Corporation | United States | 1996 | — | 1 |
| C-JeS Studios | South Korea | 2009 | — | 1 |
| C.O.R.E. | Canada | 1994 | March 2010 | 4 |
| C1R | United States | 1998 | — | 1 |
| C2 Pictures | United States | 2002 | 2008 | 4 |
| C8 | France | October 7, 2012 | March 2025 | 1 |
| CAB Productions | Switzerland | — | — | 2 |
| Caballero Home Video | United States | 1974 | — | 8 |
| Cabine obscura | Canada | — | — | 1 |
| Cabinet Entertainment | Sweden | 1998 | — | 2 |
| Cactus Jack Records | United States | 2017 | — | 1 |
| Cactus production | Tunisia | 2002 | — | — |
| Cados Producciones | Spain | — | — | 1 |
| Caesar Film | Italy | 1914 | 1935 | 18 |
| Café Film | Hungary | 2002 | — | 5 |
| CaixaForum | Spain | 2002 | — | 1 |
| Cake Entertainment | United Kingdom | 2002 | — | — |
| Cal Vista International | United States | — | — | 1 |
| Cal Vista Video | United States | — | — | 2 |
| Calach Films | Luxembourg | — | — | 2 |
| California Motion Picture Corporation | United States | 1911 | 1920 | 1 |
| Caligari Film | Germany | — | — | — |
| Calouste Gulbenkian Foundation | Portugal | July 18, 1956 | — | 1 |
| CALT | France | 1999 | — | — |
| Calvin Company | United States | 1931 | — | — |
| Camelot Entertainment Group | United States | — | — | — |
| Camelot Filmproduktion | Germany | 1994 | — | — |
| Cameofilm | Hungary | — | — | 1 |
| Camera Cagliostro | Czechoslovakia | 1992 | — | 1 |
| Camera One | France | — | — | 2 |
| Campania | Italy | 1970 | — | 1 |
| Campbell Grobman Films | United States | 2011 | — | 8 |
| Campus Studios | — | — | — | 1 |
| Canada Council for the Arts | Canada | 1957 | — | 4 |
| Canada Trust | Canada | 1864 | — | 1 |
| Canadian Bioscope Company | Canada | 1912 | — | 1 |
| Canadian Broadcasting Corporation | Canada | November 2, 1936 | — | 11 |
| Canadian Film Centre | Canada | 1988 | — | 1 |
| Canadian Television Fund | Canada | 1998 | — | 1 |
| Canal 13 | Chile | August 21, 1959 | — | 1 |
| Canal Brasil | Brazil | — | — | 3 |
| Canal France International | France | 1989 | — | 1 |
| Canal RCN | Colombia | March 23, 1967 | — | 2 |
| Canal Sur Televisión | Spain | 1989 | — | 13 |
| Canal+ | France | November 4, 1984 | — | 217 |
| Canal+ | Spain | June 8, 1990 | February 2016 | 20 |
| Canal+ | France | November 14, 1992 | — | 1 |
| Canal+ Horizons | — | April 18, 1990 | October 16, 2001 | 2 |
| Canal+ Premium | Poland | 1994 | — | 2 |
| Canal+ S.A. | France | 2018 | — | 8 |
| Canana Films | Mexico | 2005 | — | 10 |
| Candescent Films | — | 2010 | — | — |
| Candy Film | Denmark | 1969 | 2001 | — |
| Cannon Films Ltd | United Kingdom | 2014 | — | 1 |
| Canopée Production | France | May 28, 2014 | — | 1 |
| Canto Claro Produções Artísticas (Firm) | Brazil | — | — | 1 |
| CANVAS N | South Korea | April 4, 2003 | — | 1 |
| Canyon Pictures Corporation | United States | 1919 | 1922 | 2 |
| Canção Nova | Brazil | — | — | 1 |
| CAOZ | — | 2001 | — | 2 |
| CAPA agency | France | August 1989 | — | — |
| Capa Productions | United States | — | — | 1 |
| Capcom | Japan | May 30, 1979 | — | 7 |
| Cape of Good Films | — | 2009 | — | 5 |
| Capi Films | France | 1967 | — | 1 |
| Capital Arts Entertainment | United States | 1995 | — | 6 |
| Capital Film | Italy | — | — | 4 |
| Capitol Films | — | 1989 | 2012 | 13 |
| Capitol Produksjon | Norway | — | — | 2 |
| Capri Entertainment | Italy | 2018 | — | 1 |
| Capricci | France | 1999 | — | 3 |
| Carac Film | Switzerland | — | — | 5 |
| Caracol Televisión | Colombia | 1969 | — | 7 |
| Caramel Films | — | 2008 | — | 10 |
| Caramel Pictures | Netherlands | 1977 | — | — |
| Caravan Film | Pahlavi Iran | — | — | 14 |
| Caravan Film | United Kingdom | — | — | 2 |
| Caravan Pictures | United States | 1992 | 1999 | 22 |
| Caribara Animation | France | August 2005 | — | 1 |
| Carlton-Film | Germany | — | — | 1 |
| Carnival Films | United Kingdom | 1978 | — | 4 |
| Carolco Pictures | — | 1976 | 1995 | 33 |
| Carousel Productions | — | — | — | 1 |
| Carrere Group | — | 1986 | — | — |
| Carson Entertainment | United States | 1980 | — | 1 |
| Carson Prod | France | April 2001 | — | — |
| Cartel | — | 2003 | — | 1 |
| Cartoon and puppet film studio Prague | Czechoslovakia | — | — | 1 |
| Cartoon Network | United States | October 1992 | — | 4 |
| Cartoon Network Studios | United States | 1994 | — | 2 |
| Cartoon Pizza | — | 2001 | — | 2 |
| Cartoon Saloon | Ireland | 1999 | — | 5 |
| Casa de Cinema | Brazil | — | — | 1 |
| Casa de Filme 5 | Romania | — | — | 5 |
| Casablanca Records | United States | 1973 | — | 1 |
| Castafiore Films | Spain | — | — | 1 |
| Castel Film Romania | — | 1992 | — | 7 |
| Castelao Producciones | Spain | — | — | 4 |
| Castle Rock Entertainment | United States | June 19, 1985 | — | 79 |
| Catalan Institute of Finance | Spain | 1985 | — | 1 |
| Catford Studios | United Kingdom | — | — | 2 |
| Cathay-Keris Film Productions | Singapore | 1951 | 1973 | 3 |
| Catherine Dussart Production | France | — | — | 2 |
| Cattleya | Italy | — | — | 4 |
| Cattleya Studios | Italy | 1997 | — | 43 |
| Caviar Films | Belgium | 2006 | — | 16 |
| CB Films | France | — | — | 1 |
| CB TV | France | 1989 | — | — |
| CBC Film Sales Corporation | United States | June 19, 1918 | January 10, 1924 | — |
| CBC News Network | Canada | July 31, 1989 | — | 1 |
| CBC Television | Canada | September 6, 1952 | — | 2 |
| CBS | United States | September 18, 1927 | — | 7 |
| CBS Films | United States | March 2007 | — | 8 |
| CBS Media Ventures | United States | September 26, 2006 | — | — |
| CBS Paramount Network Television | United States | January 17, 2006 | 2009 | — |
| CBS Productions | United States | 2015 | November 28, 2019 | 3 |
| CBS Studios | United States | January 17, 2006 | — | 2 |
| CBS Theatrical Films | — | 1979 | — | 7 |
| CC&C – Clarke Costelle et Cie | France | 2001 | — | — |
| CCC Film | Germany | 1946 | — | 49 |
| Ce Qui Me Meut | France | 1997 | — | 5 |
| Cecchi Gori Group | Italy | 1984 | 2006 | 49 |
| Cedar Park Entertainment | United States | — | — | 1 |
| Celltrion Entertainment | South Korea | January 4, 2012 | — | 1 |
| Celluloid Dreams | France | 1987 | — | 10 |
| Celtic Films | United Kingdom | — | — | 1 |
| Cenpro Televisión | Colombia | — | — | — |
| Centar film | Serbia | May 1966 | — | 10 |
| Centar FRZ | Yugoslavia | — | — | 1 |
| Centaure Films | Canada | — | — | 1 |
| Center for Asian American Media | United States | 1980 | — | 1 |
| Center for Audio-visual Media | Uruguay | 1982 | — | — |
| Center for Investigative Reporting | United States | 1977 | — | 1 |
| Center for Kapampángan Studies | Philippines | March 8, 2002 | — | 1 |
| Central Arts | Japan | 1980 | — | 2 |
| Central Films | — | 2004 | — | 2 |
| Central Partnership | Russia | 1995 | — | 64 |
| Central Pictures Corporation | Taiwan | September 1954 | — | 6 |
| Central Studios | — | 1935 | 1956 | 2 |
| Centralfilm | Norway | 1953 | — | 3 |
| Centre Cinématographique Marocain | Morocco | 1944 | — | 5 |
| Centre du Cinéma et de l'Audiovisuel de la Fédération Wallonie-Bruxelles | Belgium | — | — | 2 |
| Centro de Capacitación Cinematográfica | Mexico | 1975 | — | 12 |
| Centro Digital Pictures Limited | — | 1987 | — | 2 |
| Centro Nacional Autónomo de Cinematografía | Venezuela | — | — | 3 |
| Centron Corporation | United States | 1947 | — | 5 |
| Centropolis Entertainment | United States | 1985 | — | 19 |
| Centrul de Producție Cinematografică București | Romania | — | — | 1 |
| Centrum Film | Norway | 1944 | — | 1 |
| Century 21 Productions | United Kingdom | 1966 | 1971 | 3 |
| Century Creator Company | — | 1990 | — | — |
| Cepa Audiovisual | Argentina | — | — | 2 |
| Cerf | Canada | — | — | 4 |
| Cerito Films | France | 1971 | 1997 | 4 |
| CFS Košutnjak | — | — | — | 1 |
| CG Cinema | France | 2013 | — | 7 |
| CGF studio | Russia | 2004 | — | 2 |
| Cha Cha Cha Films | — | 2007 | — | 3 |
| Chabial | Bangladesh | — | — | 2 |
| Chadwick Pictures Corporation | United States | 1915 | 1933 | 9 |
| Chahar Nam Company | Pahlavi Iran | — | — | 3 |
| Chaiyo Productions Co. Ltd. | Thailand | — | — | 9 |
| Chanel | France | 2010 | — | 1 |
| Changchun Film Studio | People's Republic of China | October 1945 | — | 45 |
| Channel 4 | United Kingdom | November 2, 1982 | — | 21 |
| Channel 5 | — | April 6, 2021 | — | 1 |
| Channel Four Television Corporation | United Kingdom | 1982 | — | 1 |
| Channel One Russia | Russia | January 24, 1995 | — | 28 |
| Chaoui Production | Morocco | — | — | 2 |
| Chapka Films | France | — | — | 4 |
| Chaplin-Mayer Pictures Company | United States | 1920 | — | 1 |
| Charente | France | March 4, 1790 | — | 1 |
| Charles Chaplin Productions | — | — | — | 1 |
| Charles Urban Trading Company | United Kingdom | 1903 | — | 1 |
| Charlie Chaplin Studios | United States | — | — | 2 |
| Charon Film | Sweden | — | — | 1 |
| Charybdis Pictures | United States | 2017 | — | 3 |
| Chaska Films | Peru | — | — | 1 |
| Chehel-sotoon cinematic organization | Pahlavi Iran | — | — | 5 |
| Chenault Productions | United States | — | — | 1 |
| Chernin Entertainment | United States | 2009 | — | 27 |
| Chesterfield Pictures | United States | — | — | 2 |
| Cheyenne Enterprises | United States | 2001 | — | 9 |
| Chi-Fou-Mi Productions | France | February 3, 2010 | — | 15 |
| Chic Films | France | — | — | 1 |
| Chicken Soup for the Soul | United States | June 28, 1993 | — | 2 |
| Children of Celluloid | United States | — | — | 2 |
| Children's Film Foundation | United Kingdom | 1951 | — | 1 |
| Children's Film Society, India | India | 1955 | — | 10 |
| Children's Film Unit | United Kingdom | 1981 | 2011 | 1 |
| Chilefilms | Chile | 1942 | — | 1 |
| Chiller | — | 2007 | — | 1 |
| Chiller Films | — | — | — | 1 |
| Chiloé Productions | France | 2003 | — | — |
| China Central Television | People's Republic of China | September 2, 1958 | — | 2 |
| China Children's Film Studio | — | — | — | 1 |
| China Film Group Co.,Ltd. | People's Republic of China | December 9, 2010 | — | 14 |
| China Film Group Corporation | People's Republic of China | February 12, 1999 | — | 51 |
| China Film Studio | Taiwan | 1933 | 1995 | 1 |
| China Media Capital | People's Republic of China | November 11, 2008 | — | 1 |
| China Movie Channel | People's Republic of China | 1996 | — | 5 |
| China Organ Harvest Research Center | United States | April 18, 2017 | — | 1 |
| China Southern Airlines | People's Republic of China | 1991 | — | 1 |
| China Star Entertainment Group | — | 1992 | — | 42 |
| Chios Media | Netherlands | — | — | 2 |
| Chizu | Japan | 2011 | — | 5 |
| Choirock Contents Company | South Korea | December 5, 2007 | — | — |
| Chorki | Bangladesh | July 12, 2021 | — | 2 |
| Chorokbaem Media | South Korea | 2000 | — | — |
| Chris Streams Productions | United States | — | — | 2 |
| Christal Films | — | 2009 | — | 13 |
| Christian Frei Filmproductions GmbH | Switzerland | — | — | 1 |
| Christie Film Company | United States | 1916 | — | 1 |
| Christmas Films | Russia | 1989 | — | 1 |
| Chronos Film | Germany | 2001 | — | — |
| Chuck E. Cheese | United States | May 17, 1977 | — | 1 |
| CHUM Limited | — | 1945 | 2007 | 1 |
| Chung Yuen Motion Picture | British Hong Kong | 1981 | 1982 | 1 |
| Chuvashcinema | Russia | 1926 | — | — |
| Chūkyō Television Broadcasting | Japan | March 1968 | — | 3 |
| Ciby 2000 | — | 1990 | — | 12 |
| Cifesa | Spain | 1932 | 1964 | 36 |
| Cine Animadores | — | 1989 | — | 3 |
| Cine Art Productions | — | — | — | 1 |
| Cine Bazar | Japan | — | — | 3 |
| Cine+ | Greece | — | — | 1 |
| Cine-Action Inc. | Canada | — | — | 1 |
| Cine-Allianz | Germany | 1932 | — | 11 |
| Cine-Qua-Non | Sweden | — | — | 1 |
| CineCentrum Berlin Film- und Fernsehproduktion | Germany | — | — | — |
| Cinecentrum Hilversum | Netherlands | — | — | — |
| Cinecittà | Italy | 1937 | — | 7 |
| Cinecittà | Italy | 2011 | — | 3 |
| Cinecom Pictures | United States | 1982 | 1991 | 1 |
| Cinedistri | Brazil | — | — | 1 |
| Cineflix | — | 2002 | — | 1 |
| Cinelou Films | — | — | — | 1 |
| Cinema 80 | Italy | — | — | 2 |
| Cinema and Audiovisual School of Catalonia | Spain | 1993 | — | 5 |
| Cinema Art Pvt. Ltd. | Nepal | — | — | 1 |
| Cinema Center Films | United States | 1969 | — | 19 |
| Cinema Fantasma | Mexico | — | — | 1 |
| Cinema Fund | Russia | 1994 | — | 34 |
| Cinema International Corporation | United States | April 9, 1970 | November 1981 | 2 |
| Cinema Management Group | United States | 2003 | — | 3 |
| Cinema One | Philippines | 1994 | — | 1 |
| Cinema Service | — | 1993 | — | 80 |
| CineMagic Co. | Japan | November 11, 1983 | — | — |
| Cinemaker | Finland | 1990 | — | 2 |
| CineMan Productions | India | February 2010 | — | 4 |
| Cinemand | United States | 2015 | — | 2 |
| CinemArt | Czech Republic | May 1992 | — | 3 |
| Cinemassacre Productions | United States | 2004 | — | 1 |
| Cinematic | Finland | — | — | 2 |
| Cinematograph | Sweden | 1967 | — | 5 |
| Cinemaundici | Italy | 1998 | — | 5 |
| Cinemax | — | — | — | 1 |
| CineMedia Film | Germany | — | — | — |
| Cinemex | Mexico | 1995 | — | 1 |
| Cinemiso | Norway | — | — | 2 |
| CineNomad | Germany | — | — | 1 |
| Cinenord | Norway | 2004 | April 18, 2026 | 16 |
| Cinephon | Germany | 1975 | — | — |
| Cineplex Entertainment | Canada | 1999 | — | 1 |
| Cinepost Studios | Sweden | September 18, 2006 | March 12, 2018 | 1 |
| Cineproduzione Emo Bistolfi | Italy | — | — | 1 |
| Cinequanon | Japan | March 1991 | — | 2 |
| Cinerama Releasing Corporation | United States | 1952 | — | 3 |
| Cinereach | United States | 2006 | — | 6 |
| Cinergi Pictures | — | 1992 | 1998 | 10 |
| Cineriz | Italy | 1956 | 1993 | 27 |
| Cines | Italy | 1906 | — | 98 |
| Cinesicilia | Italy | 2007 | — | 3 |
| Cinesite | — | 1991 | — | 5 |
| Cinesite Animation | Canada | — | — | 1 |
| Cinesound Productions | Australia | 1931 | — | 37 |
| Cinet Oy | Finland | — | — | 1 |
| CineTel Films | — | — | — | 9 |
| Cinetic Media | — | — | — | 3 |
| Cinetévé | France | — | — | 3 |
| Cinevilla Studio | Latvia | July 22, 2003 | — | 1 |
| Cinevillaggio | Italy | — | 1945 | — |
| CineVox Filmproduktion GmbH | Germany | 1983 | — | — |
| Cineyug | — | 1997 | — | 1 |
| Cinnamon Productions | United States | — | — | 2 |
| Cinquième Maison | Canada | — | — | 1 |
| Ciné B | France | 1998 | June 30, 2006 | 9 |
| Ciné Manufacture | France | February 14, 1994 | — | 1 |
| Ciné qua non | France | — | — | 1 |
| Ciné Tamaris | — | 1954 | — | 3 |
| Ciné+ | France | January 7, 1991 | July 3, 2024 | 22 |
| Ciné+ OCS | France | July 3, 2024 | — | 2 |
| Cinéa | France | 1986 | — | 2 |
| Cinéart | Belgium | — | — | 2 |
| Cinédia | Brazil | 1930 | — | 7 |
| Cinéfondation | France | 1998 | — | 1 |
| Cinéfrance | France | 2012 | — | 5 |
| Cinéfrance 1888 | — | 2012 | — | 2 |
| Cinégram | — | 1928 | — | — |
| CinéGroupe | — | 1974 | — | 4 |
| Cinémaginaire | Canada | 1988 | — | 18 |
| Cinépolis | Mexico | 1971 | — | 1 |
| Cinévidéo | Canada | — | — | 18 |
| Circe Films | Netherlands | — | — | 1 |
| Cirque du Soleil | Canada | 1984 | — | 2 |
| Citadel Entertainment | United States | 1988 | — | 1 |
| Citizen Jane Productions | Finland | — | — | 4 |
| Citizens Commission on Human Rights | United States | 1969 | — | 1 |
| Citizens United | United States | 1988 | — | 1 |
| Citizens United Productions | United States | — | — | 1 |
| Citra Sinema | Indonesia | — | — | 2 |
| Citra Visual Sinema | Indonesia | — | — | 2 |
| CITY-DT | Canada | September 28, 1972 | — | 1 |
| CJ ENM | South Korea | December 16, 1994 | — | 1 |
| CJ ENM Entertainment Division | South Korea | September 2010 | — | 19 |
| CJ ENM Films & Television | South Korea | 2017 | — | 200 |
| CJ ENM Studios | South Korea | — | — | 1 |
| CL Productions | Greece | 1998 | — | 1 |
| Clap Filmes | Portugal | — | — | 2 |
| Clarius Entertainment | — | 2012 | — | — |
| Claro | — | 2003 | — | 1 |
| Clasa Films Mundiales | Mexico | — | — | 1 |
| Clasikaletet | Israel | 1987 | — | 1 |
| Classic srl | Italy | — | — | 3 |
| Claussen & Wöbke Filmproduktion | Germany | — | — | 5 |
| Clean Slate Films | — | October 2014 | — | 1 |
| Cleopatra Entertainment | — | 2015 | — | 3 |
| Clerkenwell Films | United Kingdom | — | — | 2 |
| Clesi Cinematografica | Italy | 1968 | 1999 | 12 |
| Climax Studio | South Korea | — | — | 10 |
| Cloak & Co. | United States | — | — | 1 |
| Clockwork Pictures | United Kingdom | — | — | 1 |
| Closer Media | United States | 2022 | — | 1 |
| Closer Productions | Australia | 2010 | — | 1 |
| Cloud Nine Movies | — | 2008 | — | 2 |
| CloverWorks | Japan | October 2018 | — | 3 |
| ClubJenna | United States | 2000 | — | 1 |
| Clutch. Co.,ltd. | Japan | April 2005 | — | — |
| CMO | Colombia | 1999 | — | 1 |
| CMT | United States | March 5, 1983 | — | 2 |
| CNN | United States | June 1980 | — | 2 |
| CNN Films | United States | 2012 | — | 8 |
| CNplus Production. Inc. | Taiwan | May 25, 2011 | — | — |
| CNRS Images | France | — | — | 2 |
| CO Production | Turkey | — | — | 1 |
| CO.Film | Sweden | — | — | 1 |
| CoBO Fonds | Netherlands | 1986 | — | 4 |
| Cocinor | France | 1938 | — | 4 |
| CockyBoys | United States | 2007 | — | 1 |
| Coconut Motion Pictures | India | — | — | 3 |
| CodeBlack Entertainment | United States | 2005 | — | 5 |
| Cogitoworks | Japan | January 10, 2008 | — | 1 |
| Coimisiún na Meán | Ireland | March 15, 2023 | — | 1 |
| Collective Digital Studio | United States | 2011 | 2016 | 2 |
| College of the North Atlantic | Canada | 1997 | — | 2 |
| Colmax | France | 1983 | — | 2 |
| Colombian Institute of Culture | Colombia | — | — | 1 |
| Colombiana de Televisión | Colombia | June 16, 1972 | — | — |
| Colonelle films | Canada | 2012 | — | 5 |
| Color Climax Corporation | — | 1967 | — | — |
| Color Force | United States | 2007 | — | 13 |
| Colorado Film | Italy | 1986 | — | 9 |
| Coloroom Pictures | People's Republic of China | October 25, 2015 | — | — |
| Colour Yellow Productions | India | 2011 | — | 12 |
| Columbia Pictures | United States | 1918 | — | 1,071 |
| Columbia Pictures Film Production Asia | People's Republic of China | — | — | 5 |
| Columbia Pictures Television | United States | May 6, 1974 | 2001 | 1 |
| Columbia TriStar Television | United States | February 21, 1994 | September 16, 2002 | 2 |
| Combat Zone | United States | 2006 | — | — |
| Come and See Pictures | Indonesia | 2020 | — | 3 |
| Comedy Central | United States | April 1991 | — | 1 |
| Comedy Central Films | United States | 1995 | — | — |
| Comedy Club Production | Russia | December 26, 2006 | — | 8 |
| Comedy Partners | United States | — | — | 1 |
| Comic Strip Production | — | 1992 | — | 1 |
| Comité français de radio-télévision | France | 1948 | — | — |
| Comix Wave | Japan | 1997 | March 30, 2007 | 1 |
| CoMix Wave Films | Japan | March 2007 | — | 7 |
| Common Room Productions | Australia | — | — | 1 |
| Commonwealth Film Laboratories | Australia | — | — | 1 |
| Commonwealth United Entertainment | United States | 1961 | 1971 | 2 |
| Compagnia Distribuzione Internazionale | Italy | 1985 | — | 2 |
| Compagnie des Phares et Balises | France | 1992 | — | 1 |
| Compagnie Éric Rohmer | France | — | — | 1 |
| Companhia Cinematográfica Vera Cruz | Brazil | — | — | 1 |
| Company 3 | United States | 1997 | — | 2 |
| Company of Wolves | United Kingdom | — | — | 1 |
| Company Pictures | — | 1998 | — | 2 |
| Compass International Pictures | United States | 1977 | 1981 | 4 |
| Compass Light | — | 1985 | — | 1 |
| Complete Index to World Film | — | 2004 | — | 1 |
| Concord Film | Norway | 1959 | — | 2 |
| Concord Production Inc. | British Hong Kong | 1972 | 1976 | 4 |
| Condor Films | Switzerland | 1947 | — | 4 |
| Condé Nast Entertainment | United States | — | — | 4 |
| Connaissance Films | United States | — | — | 1 |
| Conseil des arts et des lettres du Québec | Canada | 1994 | — | 1 |
| Consolidated Film Industries | — | 1914 | 2008 | 1 |
| Conspiracy Entertainment | United States | 1997 | — | 1 |
| Conspiração Filmes | Brazil | — | — | 2 |
| Constance Talmadge Film Company | United States | — | — | 1 |
| Constantin Entertainment | Germany | 2001 | — | — |
| Constantin Film | Germany | April 1950 | — | 94 |
| Constellation Productions | France | — | — | 1 |
| Construction Film | Germany | 2012 | — | 6 |
| Contact Film | Norway | 1953 | — | 16 |
| Contact Films | Australia | — | — | 1 |
| Content Providers | Estonia | — | — | 1 |
| Continental Company | United States | — | — | 1 |
| Continental Films | — | 1940 | 1944 | 13 |
| Contracosta Produções | Portugal | 1993 | — | 1 |
| Contrakultura Films | Argentina | 2002 | — | — |
| Coop Video of Montreal | Canada | March 1977 | — | 9 |
| Coop99 | Austria | — | — | 15 |
| Coopérative Générale du Cinéma Françai | France | November 1944 | — | 2 |
| Copenhagen Bombay | Denmark | 2006 | 2023 | 2 |
| Coproduction Office | — | 1987 | — | 2 |
| Corazón International | Germany | — | — | 2 |
| Corinthia Regional Unit | Greece | — | — | 1 |
| Corner Films | Morocco | — | — | 1 |
| Corona Filmproduktion | Germany | — | — | 2 |
| Corporació Catalana de Mitjans Audiovisuals | Spain | May 30, 1983 | — | 6 |
| Corsan | Belgium | January 29, 1985 | December 16, 2016 | — |
| Corus Entertainment | Canada | September 1999 | — | 2 |
| Corvin Film Studio | Kingdom of Hungary | October 16, 1916 | December 18, 1928 | 13 |
| Corymore Productions | United States | 1987 | — | — |
| Cosmo Film | Denmark | 1992 | — | 4 |
| CosmoKino | Belgium | — | — | 1 |
| Cosmopolitan Film Productions | Hong Kong | 1988 | — | 2 |
| Cosmopolitan Productions | United States | 1918 | 1938 | 28 |
| Cosmopolitan Television | Spain | — | — | 1 |
| Counihan-Villiers Films | United Kingdom | — | — | 1 |
| Couzin Films | — | 1999 | — | 6 |
| Cowboy Films | United Kingdom | — | — | 1 |
| Cowlip Productions | United States | — | — | — |
| Coyote | France | January 19, 1989 | — | — |
| CPL Productions | United Kingdom | 1981 | — | 6 |
| CPT | Colombia | 1979 | — | — |
| Crave | Canada | February 1983 | — | 3 |
| Crazy Pictures | Sweden | June 4, 2008 | — | 2 |
| Creado Film | Germany | — | — | 1 |
| Creandus Films | Spain | — | — | 1 |
| Creative Capers Entertainment | United States | 1989 | — | 5 |
| Creative Capital | United States | 1999 | — | 1 |
| Creative Commercials | — | 1973 | — | 14 |
| Creative England | United Kingdom | 2011 | — | 1 |
| Creative Europe | Belgium | 2012 | — | 1 |
| Creative Impulse Entertainment | — | 2003 | — | — |
| Creative Motion | Italy | 2016 | — | 1 |
| Creative Power Entertaining | People's Republic of China | October 21, 2004 | — | 1 |
| Creative Scotland | United Kingdom | 2010 | — | 6 |
| Credit Agricole Group | France | 2000 | — | 1 |
| CreepTV | Turkey | May 11, 2006 | — | 17 |
| Crescendo Productions | United States | — | — | 1 |
| Crest Animation Productions | — | 1993 | 2013 | 7 |
| Cricklewood Studios | United Kingdom | — | — | 1 |
| Critérion Film | France | — | — | 1 |
| CRM Productions | United States | — | — | 1 |
| Croatia Film | Croatia | March 21, 1974 | — | 14 |
| Croatian Radiotelevision | Croatia | May 15, 1926 | — | 23 |
| Crone Film Produktion | Denmark | — | — | 2 |
| Cross | Japan | 2005 | — | — |
| Cross Creek Pictures | United States | 2009 | — | 8 |
| Crown Film Unit | United Kingdom | 1940 | 1952 | 3 |
| Crown International | United States | 1947 | — | 1 |
| Crown International Pictures | United States | 1959 | — | 7 |
| Crown Seven Ventures | Philippines | — | — | — |
| Cruise/Wagner Productions | United States | July 1992 | 2008 | 19 |
| Crystal Creek Media | — | 2005 | — | 3 |
| Créativité et Développement | France | 1987 | 1998 | — |
| CS Lebowski | Italy | — | — | 1 |
| CTC Media | Russia | 1989 | — | 1 |
| Cuarzo Producciones | Spain | 2000 | — | — |
| Cuatro Cabezas | Argentina | 1993 | — | — |
| Cube Entertainment | South Korea | August 29, 2006 | — | 1 |
| Cube Vision | — | — | — | 1 |
| Cultural Endowment of Estonia | Estonia | November 4, 1994 | — | — |
| Culture Convenience Club | Japan | 1982 | — | 1 |
| Culture Department of the Generalitat of Catalonia | Spain | December 29, 2010 | November 29, 2006 | 3 |
| Culver Max Entertainment | India | 1995 | — | 6 |
| Culver Studios | United States | 1918 | — | — |
| Cumulus Project | Estonia | 1992 | — | 1 |
| Curiosa Films | France | August 27, 2015 | — | 16 |
| Curious Pictures | — | 1978 | April 24, 2015 | 4 |
| Current Time TV | Czech Republic | February 7, 2017 | — | 1 |
| Curtis Enterprises | United States | October 6, 1961 | — | — |
| Curtleigh Productions | United States | 1955 | 1962 | 6 |
| Curzon Artificial Eye | Ireland | 1976 | — | 1 |
| Cwmni Da | Wales | 1997 | — | — |
| Cyborn | Belgium | 1998 | — | 1 |
| Cyfrowy polsat | Poland | December 5, 1999 | — | 1 |
| Cyprus Broadcasting Corporation | Cyprus | 1953 | — | 1 |
| Czech Audiovisual Fund | Czech Republic | 2013 | — | — |
| Czechoslovak Army Film Studio | Czechoslovakia | 1950 | 1999 | 1 |
| Czechoslovak Television | Czechoslovakia | December 1957 | December 31, 1992 | 5 |
| Czołówka Film Studio | Poland | — | — | 1 |
| Československy státní film | Czechoslovakia | 1948 | 1956 | 10 |
| Česká televize | Czech Republic | 1992 | — | 23 |