| C-Films | Zurich | 1999 | 3 |
| C-Hundred Film Corporation | — | 1996 | 1 |
| C-JeS Studios | Seoul | 2009 | 1 |
| C.O.R.E. | Toronto | 1994 | 4 |
| C8 | Boulogne-Billancourt | October 7, 2012 | 1 |
| Caballero Home Video | Canoga Park | 1974 | 8 |
| Cabinet Entertainment | Stockholm | 1998 | 2 |
| Cactus production | Tunis | 2002 | — |
| Caesar Film | Rome | 1914 | 18 |
| Café Film | Budapest District III | 2002 | 5 |
| CaixaForum | — | 2002 | 1 |
| Cake Entertainment | London | 2002 | — |
| Cal Vista International | — | — | 1 |
| Cal Vista Video | Van Nuys | — | 2 |
| Calouste Gulbenkian Foundation | Calouste Gulbenkian Foundation headquarters | July 18, 1956 | 1 |
| Calvin Company | Kansas City | 1931 | — |
| Camelot Entertainment Group | Irvine | — | — |
| Cameofilm | Budapest | — | 1 |
| Camera One | — | — | 2 |
| Campania | — | 1970 | 1 |
| Canada Council for the Arts | Ottawa | 1957 | 4 |
| Canadian Bioscope Company | — | 1912 | 1 |
| Canadian Film Centre | Toronto | 1988 | 1 |
| Canal 13 | Santiago | August 21, 1959 | 1 |
| Canal France International | France | 1989 | 1 |
| Canal+ | Issy-les-Moulineaux | November 14, 1992 | 1 |
| Canal+ S.A. | Issy-les-Moulineaux | 2018 | 8 |
| Cannon Films Ltd | Lancaster | 2014 | 1 |
| Canopée Production | Briançon | May 28, 2014 | 1 |
| Canção Nova | — | — | 1 |
| CAOZ | Iceland | 2001 | 2 |
| Capital Arts Entertainment | — | 1995 | 6 |
| Capitol Films | Los Angeles | 1989 | 13 |
| Capri Entertainment | — | 2018 | 1 |
| Caramel Films | Montreal | 2008 | 10 |
| Caravan Film | — | — | 14 |
| Caravan Film | — | — | 2 |
| Caravan Pictures | Santa Monica | 1992 | 22 |
| Carlton-Film | — | — | 1 |
| Carnival Films | London | 1978 | 4 |
| Carolco Pictures | Beverly Hills | 1976 | 33 |
| Carousel Productions | Manila | — | 1 |
| Carrere Group | France | 1986 | — |
| Carson Prod | — | April 2001 | — |
| Cartoon and puppet film studio Prague | Prague | — | 1 |
| Cartoon Network | Atlanta, Burbank, New York City | October 1992 | 4 |
| Cartoon Network Studios | Burbank | 1994 | 2 |
| Cartoon Pizza | Nashville | 2001 | 2 |
| Cartoon Saloon | Kilkenny | 1999 | 5 |
| Casablanca Records | Los Angeles | 1973 | 1 |
| Castafiore Films | Madrid | — | 1 |
| Castel Film Romania | — | 1992 | 7 |
| Castelao Producciones | Madrid | — | 4 |
| Castle Rock Entertainment | Beverly Hills | June 19, 1985 | 79 |
| Catalan Institute of Finance | Gran Via de les Corts Catalanes | 1985 | 1 |
| Catford Studios | — | — | 2 |
| Cattleya Studios | Rome | 1997 | 43 |
| CB Films | — | — | 1 |
| CBC Film Sales Corporation | — | June 19, 1918 | — |
| CBS Media Ventures | Santa Monica | September 26, 2006 | — |
| CC&C – Clarke Costelle et Cie | Paris | 2001 | — |
| Ce Qui Me Meut | — | 1997 | 5 |
| Cecchi Gori Group | Rome | 1984 | 49 |
| Centar film | Belgrade | May 1966 | 10 |
| Centar FRZ | — | — | 1 |
| Center for Asian American Media | San Francisco | 1980 | 1 |
| Center for Audio-visual Media | — | 1982 | — |
| Center for Investigative Reporting | Emeryville | 1977 | 1 |
| Central Arts | Tokyo | 1980 | 2 |
| Central Films | Paris | 2004 | 2 |
| Central Pictures Corporation | — | September 1954 | 6 |
| Centralfilm | — | 1953 | 3 |
| Centre Cinématographique Marocain | — | 1944 | 5 |
| Centre du Cinéma et de l'Audiovisuel de la Fédération Wallonie-Bruxelles | — | — | 2 |
| Centro Digital Pictures Limited | Hong Kong | 1987 | 2 |
| Centro Nacional Autónomo de Cinematografía | — | — | 3 |
| Centropolis Entertainment | Berlin | 1985 | 19 |
| Centrum Film | — | 1944 | 1 |
| Century 21 Productions | Slough Trading Estate | 1966 | 3 |
| Century Creator Company | — | 1990 | — |
| CG Cinema | — | 2013 | 7 |
| Cha Cha Cha Films | Mexico City | 2007 | 3 |
| Chabial | — | — | 2 |
| Chaiyo Productions Co. Ltd. | — | — | 9 |
| Changchun Film Studio | Changchun | October 1945 | 45 |
| Channel 4 | London | November 2, 1982 | 21 |
| Channel 5 | — | April 6, 2021 | 1 |
| Channel One Russia | Ostankino Technical Center | January 24, 1995 | 28 |
| Chaoui Production | Marrakech | — | 2 |
| Chapka Films | — | — | 4 |
| Chaplin-Mayer Pictures Company | — | 1920 | 1 |
| Charles Chaplin Productions | Los Angeles | — | 1 |
| Charlie Chaplin Studios | — | — | 2 |
| Charybdis Pictures | California | 2017 | 3 |
| Chaska Films | — | — | 1 |
| Chehel-sotoon cinematic organization | — | — | 5 |
| Chenault Productions | — | — | 1 |
| Chesterfield Pictures | — | — | 2 |
| Cheyenne Enterprises | Santa Monica | 2001 | 9 |
| Children of Celluloid | — | — | 2 |
| Children's Film Foundation | — | 1951 | 1 |
| Children's Film Society, India | — | 1955 | 10 |
| Children's Film Unit | London | 1981 | 1 |
| Chiller | 30 Rockefeller Plaza | 2007 | 1 |
| Chiller Films | New York City | — | 1 |
| China Central Television | China Media Group Guanghua Road Office Area | September 2, 1958 | 2 |
| China Film Group Co.,Ltd. | — | December 9, 2010 | 14 |
| China Southern Airlines | Guangzhou | 1991 | 1 |
| China Star Entertainment Group | Shun Tak Centre | 1992 | 42 |
| Chorki | Dhaka | July 12, 2021 | 2 |
| Chorokbaem Media | Seoul | 2000 | — |
| Chris Streams Productions | — | — | 2 |
| Christie Film Company | — | 1916 | 1 |
| CHUM Limited | Toronto | 1945 | 1 |
| Chūkyō Television Broadcasting | Nakamura-ku | March 1968 | 3 |
| Cifesa | — | 1932 | 36 |
| Cine Animadores | Chile | 1989 | 3 |
| Cine Art Productions | United States | — | 1 |
| Cine+ | House of the Hellenic Broadcasting Corporation | — | 1 |
| Cine-Action Inc. | Montreal | — | 1 |
| Cine-Allianz | Berlin | 1932 | 11 |
| Cine-Qua-Non | Stockholm | — | 1 |
| Cinecentrum Hilversum | Hilversum | — | — |
| Cinecittà | Rome | 1937 | 7 |
| Cinecittà | Rome | 2011 | 3 |
| Cinecom Pictures | New York City | 1982 | 1 |
| Cinelou Films | Los Angeles | — | 1 |
| Cinema and Audiovisual School of Catalonia | Terrassa | 1993 | 5 |
| Cinema Center Films | Hollywood | 1969 | 19 |
| Cinema Fund | Moscow | 1994 | 34 |
| Cinema International Corporation | United States | April 9, 1970 | 2 |
| Cinema One | ABS-CBN Broadcasting Center | 1994 | 1 |
| Cinema Service | — | 1993 | 80 |
| CineMagic Co. | Tokyo | November 11, 1983 | — |
| CineMan Productions | Ahmedabad | February 2010 | 4 |
| CinemArt | Prague | May 1992 | 3 |
| Cinemassacre Productions | — | 2004 | 1 |
| Cinematograph | Stockholm | 1967 | 5 |
| Cinemaundici | Rome, Milan | 1998 | 5 |
| Cinemax | New York City | — | 1 |
| CineMedia Film | Munich | — | — |
| Cinemex | Mexico City | 1995 | 1 |
| Cinemiso | — | — | 2 |
| CineNomad | Munich | — | 1 |
| Cinenord | Oslo | 2004 | 16 |
| Cineplex Entertainment | Toronto | 1999 | 1 |
| Cinequanon | Tokyo | March 1991 | 2 |
| Cinereach | New York City | 2006 | 6 |
| Cineriz | Rome | 1956 | 27 |
| Cines | Rome | 1906 | 98 |
| Cinesicilia | Palermo | 2007 | 3 |
| Cinesite | London | 1991 | 5 |
| Cinesite Animation | — | — | 1 |
| Cinet Oy | — | — | 1 |
| Cinetévé | Paris | — | 3 |
| Cinevilla Studio | Riga | July 22, 2003 | 1 |
| Cinevillaggio | — | — | — |
| Cineyug | Mumbai | 1997 | 1 |
| Cinnamon Productions | — | — | 2 |
| Cinquième Maison | — | — | 1 |
| Ciné Manufacture | Paris | February 14, 1994 | 1 |
| Ciné qua non | — | — | 1 |
| Cinéa | — | 1986 | 2 |
| Cinéart | — | — | 2 |
| Cinédia | Rio de Janeiro | 1930 | 7 |
| Cinéfondation | — | 1998 | 1 |
| Cinéfrance 1888 | France | 2012 | 2 |
| CinéGroupe | Montreal | 1974 | 4 |
| Cinémaginaire | Montreal | 1988 | 18 |
| Cinépolis | Morelia Municipality | 1971 | 1 |
| Circe Films | — | — | 1 |
| Cirque du Soleil | Montreal | 1984 | 2 |
| Citadel Entertainment | — | 1988 | 1 |
| Citizen Jane Productions | Vilhonvuori | — | 4 |
| Citra Sinema | Jakarta | — | 2 |
| Citra Visual Sinema | — | — | 2 |
| CJ ENM Films & Television | Istanbul, Seoul | 2017 | 200 |
| CL Productions | Polygono | 1998 | 1 |
| Clap Filmes | — | — | 2 |
| Clarius Entertainment | Los Angeles | 2012 | — |
| Cleopatra Entertainment | Los Angeles | 2015 | 3 |
| Clerkenwell Films | — | — | 2 |
| Climax Studio | — | — | 10 |
| Cloak & Co. | — | — | 1 |
| Closer Media | — | 2022 | 1 |
| ClubJenna | Scottsdale | 2000 | 1 |
| CMT | Nashville, New York City | March 5, 1983 | 2 |
| CNN | CNN Center, New York City | June 1980 | 2 |
| CNplus Production. Inc. | — | May 25, 2011 | — |
| CNRS Images | — | — | 2 |
| CoBO Fonds | — | 1986 | 4 |
| Coconut Motion Pictures | — | — | 3 |
| Colmax | Asnières-sur-Seine | 1983 | 2 |
| Colombiana de Televisión | Bogotá | June 16, 1972 | — |
| Color Climax Corporation | Copenhagen | 1967 | — |
| Color Force | West Hollywood | 2007 | 13 |
| Colour Yellow Productions | Mumbai | 2011 | 12 |
| Columbia Pictures Film Production Asia | Hong Kong | — | 5 |
| Columbia Pictures Television | Sony Pictures Studios | May 6, 1974 | 1 |
| Combat Zone | Los Angeles | 2006 | — |
| Comedy Central | New York City | April 1991 | 1 |
| Comedy Club Production | Meshchanskaya Street, Moscow | December 26, 2006 | 8 |
| Comedy Partners | — | — | 1 |
| Comic Strip Production | Marseille | 1992 | 1 |
| CoMix Wave Films | Suginami | March 2007 | 7 |
| Commonwealth Film Laboratories | — | — | 1 |
| Compagnia Distribuzione Internazionale | Rome | 1985 | 2 |
| Compagnie des Phares et Balises | Paris | 1992 | 1 |
| Compagnie Éric Rohmer | — | — | 1 |
| Companhia Cinematográfica Vera Cruz | — | — | 1 |
| Company 3 | Los Angeles | 1997 | 2 |
| Company of Wolves | — | — | 1 |
| Company Pictures | London | 1998 | 2 |
| Concord Film | — | 1959 | 2 |
| Concord Production Inc. | British Hong Kong | 1972 | 4 |
| Condor Films | Zurich | 1947 | 4 |
| Condé Nast Entertainment | — | — | 4 |
| Conseil des arts et des lettres du Québec | Quebec City | 1994 | 1 |
| Conspiracy Entertainment | Long Beach | 1997 | 1 |
| Constance Talmadge Film Company | — | — | 1 |
| Constantin Film | Munich | April 1950 | 94 |
| Construction Film | Munich | 2012 | 6 |
| Contact Film | — | 1953 | 16 |
| Contact Films | — | — | 1 |
| Contents Village | — | — | 3 |
| Continental Company | — | — | 1 |
| Continental Films | France | 1940 | 13 |
| Contrakultura Films | Buenos Aires | 2002 | — |
| Coop Video of Montreal | Montreal | March 1977 | 9 |
| Coop99 | Vienna | — | 15 |
| Coopérative Générale du Cinéma Françai | — | November 1944 | 2 |
| Corazón International | Hamburg | — | 2 |
| Corner Films | Marrakech | — | 1 |
| Corona Filmproduktion | — | — | 2 |
| Corvin Film Studio | Budapest | October 16, 1916 | 13 |
| Corymore Productions | Universal City | 1987 | — |
| Cosmo Film | — | 1992 | 4 |
| Cosmopolitan Productions | New York City | 1918 | 28 |
| Counihan-Villiers Films | — | — | 1 |
| Cowboy Films | — | — | 1 |
| Cowlip Productions | California | — | — |
| Crave | Toronto | February 1983 | 3 |
| Crazy Pictures | Norrköping | June 4, 2008 | 2 |
| Creative Capers Entertainment | — | 1989 | 5 |
| Creative Power Entertaining | Guangdong | October 21, 2004 | 1 |
| Creative Scotland | — | 2010 | 6 |
| CreepTV | — | May 11, 2006 | 17 |
| Crescendo Productions | — | — | 1 |
| Crest Animation Productions | Burbank | 1993 | 7 |
| Croatia Film | Zagreb | March 21, 1974 | 14 |
| Croatian Radiotelevision | Zagreb | May 15, 1926 | 23 |
| Crone Film Produktion | Kongens Lyngby | — | 2 |
| Cross | Tokyo | 2005 | — |
| Cross Creek Pictures | Los Angeles | 2009 | 8 |
| Crown Film Unit | — | 1940 | 3 |
| Crown Seven Ventures | Manila | — | — |
| Cruise/Wagner Productions | Los Angeles | July 1992 | 19 |
| Créativité et Développement | France | 1987 | — |
| CS Lebowski | Florence | — | 1 |
| Cube Entertainment | Seoul | August 29, 2006 | 1 |
| Cube Vision | Santa Monica | — | 1 |
| Cultural Endowment of Estonia | Tallinn | November 4, 1994 | — |
| Culver Studios | Culver City | 1918 | — |
| Cumulus Project | — | 1992 | 1 |
| Current Time TV | Prague | February 7, 2017 | 1 |
| Curtleigh Productions | Los Angeles | 1955 | 6 |
| Curzon Artificial Eye | London | 1976 | 1 |
| Cyfrowy polsat | Warsaw | December 5, 1999 | 1 |
| Cyprus Broadcasting Corporation | Nicosia | 1953 | 1 |
| Czechoslovak Television | Prague | December 1957 | 5 |
| Československy státní film | — | 1948 | 10 |
| Česká televize | Prague | 1992 | 23 |