| C More | Stockholm | 1997 | 1 |
| C&I entertainment | Shibuya | April 2003 | 4 |
| C-JeS Studios | Seoul | 2009 | 1 |
| C.O.R.E. | Toronto | 1994 | 4 |
| C2 Pictures | Santa Monica | 2002 | 4 |
| C8 | Boulogne-Billancourt | October 7, 2012 | 1 |
| Cabine obscura | — | — | 1 |
| Cactus Jack Records | Houston | 2017 | 1 |
| Cactus production | Tunis | 2002 | — |
| Cados Producciones | — | — | 1 |
| Caesar Film | Rome | 1914 | 18 |
| Café Film | Budapest District III | 2002 | 5 |
| CaixaForum | — | 2002 | 1 |
| Cal Vista International | — | — | 1 |
| Cal Vista Video | Van Nuys | — | 2 |
| Caligari Film | Bavaria | — | — |
| Camelot Entertainment Group | Irvine | — | — |
| Camera Cagliostro | Tampere | 1992 | 1 |
| Campbell Grobman Films | United States | 2011 | 8 |
| Canadian Bioscope Company | — | 1912 | 1 |
| Canal 13 | Santiago | August 21, 1959 | 1 |
| Canal Brasil | Rio de Janeiro | — | 3 |
| Canal France International | France | 1989 | 1 |
| Canal RCN | Bogotá | March 23, 1967 | 2 |
| Canal Sur Televisión | Seville | 1989 | 13 |
| Canal+ | Tres Cantos | June 8, 1990 | 20 |
| Canal+ Horizons | — | April 18, 1990 | 2 |
| Canal+ Premium | Warsaw | 1994 | 2 |
| Candescent Films | New York City | 2010 | — |
| Cannon Films Ltd | Lancaster | 2014 | 1 |
| Canopée Production | Briançon | May 28, 2014 | 1 |
| CANVAS N | — | April 4, 2003 | 1 |
| Canyon Pictures Corporation | — | 1919 | 2 |
| Capa Productions | — | — | 1 |
| Cape of Good Films | Mumbai | 2009 | 5 |
| Capi Films | Paris | 1967 | 1 |
| Capital Arts Entertainment | — | 1995 | 6 |
| Capitol Produksjon | — | — | 2 |
| Capri Entertainment | — | 2018 | 1 |
| Capricci | France | 1999 | 3 |
| Caramel Films | Montreal | 2008 | 10 |
| Caramel Pictures | Amsterdam | 1977 | — |
| Caribara Animation | Paris | August 2005 | 1 |
| Carnival Films | London | 1978 | 4 |
| Carolco Pictures | Beverly Hills | 1976 | 33 |
| Carson Entertainment | — | 1980 | 1 |
| Carson Prod | — | April 2001 | — |
| Cartel | — | 2003 | 1 |
| Cartoon and puppet film studio Prague | Prague | — | 1 |
| Cartoon Network Studios | Burbank | 1994 | 2 |
| Cartoon Pizza | Nashville | 2001 | 2 |
| Cartoon Saloon | Kilkenny | 1999 | 5 |
| Casa de Cinema | — | — | 1 |
| Casa de Filme 5 | — | — | 5 |
| Casablanca Records | Los Angeles | 1973 | 1 |
| Castafiore Films | Madrid | — | 1 |
| Castel Film Romania | — | 1992 | 7 |
| Castelao Producciones | Madrid | — | 4 |
| Catford Studios | — | — | 2 |
| Cathay-Keris Film Productions | — | 1951 | 3 |
| CB Films | — | — | 1 |
| CBC Television | Toronto | September 6, 1952 | 2 |
| CBS | CBS Building | September 18, 1927 | 7 |
| CBS Media Ventures | Santa Monica | September 26, 2006 | — |
| CBS Paramount Network Television | — | January 17, 2006 | — |
| CBS Theatrical Films | Television City | 1979 | 7 |
| CC&C – Clarke Costelle et Cie | Paris | 2001 | — |
| Cecchi Gori Group | Rome | 1984 | 49 |
| Cedar Park Entertainment | — | — | 1 |
| Celltrion Entertainment | — | January 4, 2012 | 1 |
| Celluloid Dreams | — | 1987 | 10 |
| Centaure Films | — | — | 1 |
| Center for Audio-visual Media | — | 1982 | — |
| Center for Investigative Reporting | Emeryville | 1977 | 1 |
| Center for Kapampángan Studies | — | March 8, 2002 | 1 |
| Central Arts | Tokyo | 1980 | 2 |
| Central Films | Paris | 2004 | 2 |
| Central Partnership | Moscow | 1995 | 64 |
| Central Pictures Corporation | — | September 1954 | 6 |
| 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 |
| Centron Corporation | — | 1947 | 5 |
| Centrul de Producție Cinematografică București | Bucharest | — | 1 |
| Centrum Film | — | 1944 | 1 |
| Century 21 Productions | Slough Trading Estate | 1966 | 3 |
| Century Creator Company | — | 1990 | — |
| Cerito Films | — | 1971 | 4 |
| CFS Košutnjak | — | — | 1 |
| CG Cinema | — | 2013 | 7 |
| CGF studio | Moscow | 2004 | 2 |
| Chabial | — | — | 2 |
| Changchun Film Studio | Changchun | October 1945 | 45 |
| Channel 4 | London | November 2, 1982 | 21 |
| Channel Four Television Corporation | London | 1982 | 1 |
| Channel One Russia | Ostankino Technical Center | January 24, 1995 | 28 |
| Chaoui Production | Marrakech | — | 2 |
| Charente | — | March 4, 1790 | 1 |
| Charon Film | Kungsängen | — | 1 |
| Chehel-sotoon cinematic organization | — | — | 5 |
| Chenault Productions | — | — | 1 |
| Chesterfield Pictures | — | — | 2 |
| Cheyenne Enterprises | Santa Monica | 2001 | 9 |
| Chi-Fou-Mi Productions | Paris | February 3, 2010 | 15 |
| Chicken Soup for the Soul | Cos Cob | June 28, 1993 | 2 |
| Children of Celluloid | — | — | 2 |
| 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 |
| Chiloé Productions | — | 2003 | — |
| China Central Television | China Media Group Guanghua Road Office Area | September 2, 1958 | 2 |
| China Children's Film Studio | — | — | 1 |
| China Film Group Corporation | Beijing | February 12, 1999 | 51 |
| China Film Studio | — | 1933 | 1 |
| China Southern Airlines | Guangzhou | 1991 | 1 |
| China Star Entertainment Group | Shun Tak Centre | 1992 | 42 |
| Chorki | Dhaka | July 12, 2021 | 2 |
| Chris Streams Productions | — | — | 2 |
| 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 Bazar | — | — | 3 |
| 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 |
| Cinedistri | — | — | 1 |
| Cinelou Films | Los Angeles | — | 1 |
| Cinema Art Pvt. Ltd. | — | — | 1 |
| Cinema Fantasma | Mexico City | — | 1 |
| Cinema International Corporation | United States | April 9, 1970 | 2 |
| Cinema Service | — | 1993 | 80 |
| CineMagic Co. | Tokyo | November 11, 1983 | — |
| Cinemaker | Helsinki | 1990 | 2 |
| CineMan Productions | Ahmedabad | February 2010 | 4 |
| Cinemand | Los Angeles | 2015 | 2 |
| CinemArt | Prague | May 1992 | 3 |
| Cinemassacre Productions | — | 2004 | 1 |
| Cinematograph | Stockholm | 1967 | 5 |
| CineMedia Film | Munich | — | — |
| Cinenord | Oslo | 2004 | 16 |
| Cinephon | Tempelhof, Berlin | 1975 | — |
| Cineproduzione Emo Bistolfi | — | — | 1 |
| Cinerama Releasing Corporation | Los Angeles | 1952 | 3 |
| Cinereach | New York City | 2006 | 6 |
| Cinergi Pictures | Santa Monica | 1992 | 10 |
| Cines | Rome | 1906 | 98 |
| Cinesite | London | 1991 | 5 |
| Cinet Oy | — | — | 1 |
| CineTel Films | West Hollywood | — | 9 |
| Cinetévé | Paris | — | 3 |
| Cinnamon Productions | — | — | 2 |
| Cinquième Maison | — | — | 1 |
| Ciné B | Paris | 1998 | 9 |
| Ciné Manufacture | Paris | February 14, 1994 | 1 |
| Ciné Tamaris | Paris | 1954 | 3 |
| Ciné+ | — | January 7, 1991 | 22 |
| Cinéart | — | — | 2 |
| Cinéfondation | — | 1998 | 1 |
| Cinéfrance | — | 2012 | 5 |
| Cinéfrance 1888 | France | 2012 | 2 |
| Cinémaginaire | Montreal | 1988 | 18 |
| Cinévidéo | — | — | 18 |
| Circe Films | — | — | 1 |
| Citadel Entertainment | — | 1988 | 1 |
| Citizen Jane Productions | Vilhonvuori | — | 4 |
| Citizens Commission on Human Rights | Los Angeles | 1969 | 1 |
| Citizens United | Washington, D.C. | 1988 | 1 |
| Citizens United Productions | — | — | 1 |
| Citra Sinema | Jakarta | — | 2 |
| Citra Visual Sinema | — | — | 2 |
| CITY-DT | Toronto | September 28, 1972 | 1 |
| CJ ENM Entertainment Division | CJ ENM Center, Seoul | September 2010 | 19 |
| CJ ENM Studios | — | — | 1 |
| Clap Filmes | — | — | 2 |
| Claro | — | 2003 | 1 |
| Clasa Films Mundiales | — | — | 1 |
| Clasikaletet | — | 1987 | 1 |
| Classic srl | Rome | — | 3 |
| Claussen & Wöbke Filmproduktion | Geiselgasteig | — | 5 |
| Clean Slate Films | Mumbai | October 2014 | 1 |
| Clesi Cinematografica | Rome | 1968 | 12 |
| Climax Studio | — | — | 10 |
| Closer Media | — | 2022 | 1 |
| Cloud Nine Movies | Chennai | 2008 | 2 |
| Clutch. Co.,ltd. | Nishitenma | April 2005 | — |
| CMAX Communications | — | — | 2 |
| CMO | Bogotá | 1999 | 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 | — |
| CO.Film | Stockholm | — | 1 |
| CoBO Fonds | — | 1986 | 4 |
| CockyBoys | New York City | 2007 | 1 |
| Coconut Motion Pictures | — | — | 3 |
| CodeBlack Entertainment | Universal City | 2005 | 5 |
| Collective Digital Studio | Beverly Hills | 2011 | 2 |
| Colombiana de Televisión | Bogotá | June 16, 1972 | — |
| Colorado Film | Rome | 1986 | 9 |
| Coloroom Pictures | Khorgos | October 25, 2015 | — |
| Colour Yellow Productions | Mumbai | 2011 | 12 |
| Columbia Pictures Film Production Asia | Hong Kong | — | 5 |
| Columbia TriStar Television | Sony Pictures Studios | February 21, 1994 | 2 |
| Combat Zone | Los Angeles | 2006 | — |
| Comedy Central | New York City | April 1991 | 1 |
| Comedy Central Films | Los Angeles | 1995 | — |
| Comix Wave | Tokyo | 1997 | 1 |
| Common Room Productions | Melbourne | — | 1 |
| Commonwealth United Entertainment | — | 1961 | 2 |
| Compagnia Distribuzione Internazionale | Rome | 1985 | 2 |
| Companhia Cinematográfica Vera Cruz | — | — | 1 |
| Company 3 | Los Angeles | 1997 | 2 |
| Company of Wolves | — | — | 1 |
| Company Pictures | London | 1998 | 2 |
| Complete Index to World Film | — | 2004 | 1 |
| Concord Film | — | 1959 | 2 |
| Concord Production Inc. | British Hong Kong | 1972 | 4 |
| Condor Films | Zurich | 1947 | 4 |
| Connaissance Films | New York City | — | 1 |
| Constantin Entertainment | Ismaning | 2001 | — |
| Constellation Productions | — | — | 1 |
| Construction Film | Munich | 2012 | 6 |
| Contact Film | — | 1953 | 16 |
| Contact Films | — | — | 1 |
| Content Providers | — | — | 1 |
| Contents Wing | — | — | 1 |
| Continental Films | France | 1940 | 13 |
| Contracosta Produções | Lisbon | 1993 | 1 |
| Contrakultura Films | Buenos Aires | 2002 | — |
| Coop Video of Montreal | Montreal | March 1977 | 9 |
| Coop99 | Vienna | — | 15 |
| Coopérative Générale du Cinéma Françai | — | November 1944 | 2 |
| Copenhagen Bombay | Copenhagen | 2006 | 2 |
| Coproduction Office | — | 1987 | 2 |
| Corinthia Regional Unit | — | — | 1 |
| Corner Films | Marrakech | — | 1 |
| Corsan | Antwerp | January 29, 1985 | — |
| Corus Entertainment | Corus Quay | September 1999 | 2 |
| Corvin Film Studio | Budapest | October 16, 1916 | 13 |
| Corymore Productions | Universal City | 1987 | — |
| CosmoKino | Brussels | — | 1 |
| Cosmopolitan Film Productions | — | 1988 | 2 |
| Cosmopolitan Productions | New York City | 1918 | 28 |
| Cosmopolitan Television | — | — | 1 |
| Counihan-Villiers Films | — | — | 1 |
| Cowlip Productions | California | — | — |
| Creandus Films | — | — | 1 |
| Creative Commercials | Jubilee Hills | 1973 | 14 |
| Creative Europe | Brussels | 2012 | 1 |
| Creative Motion | Pescara | 2016 | 1 |
| Creative Power Entertaining | Guangdong | October 21, 2004 | 1 |
| Crest Animation Productions | Burbank | 1993 | 7 |
| Critérion Film | — | — | 1 |
| CRM Productions | — | — | 1 |
| Croatian Radiotelevision | Zagreb | May 15, 1926 | 23 |
| Cross Creek Pictures | Los Angeles | 2009 | 8 |
| Crown Film Unit | — | 1940 | 3 |
| Crown International | Elkhart | 1947 | 1 |
| Crown International Pictures | Beverly Hills | 1959 | 7 |
| Crown Seven Ventures | Manila | — | — |
| Cuarzo Producciones | Madrid | 2000 | — |
| Cuatro Cabezas | — | 1993 | — |
| Cube Entertainment | Seoul | August 29, 2006 | 1 |
| Cube Vision | Santa Monica | — | 1 |
| Culture Convenience Club | Tokyo | 1982 | 1 |
| Culture Department of the Generalitat of Catalonia | — | December 29, 2010 | 3 |
| Culver Max Entertainment | Mumbai | 1995 | 6 |
| Culver Studios | Culver City | 1918 | — |
| Cumulus Project | — | 1992 | 1 |
| Curiosa Films | Paris | August 27, 2015 | 16 |
| Curious Pictures | New York City | 1978 | 4 |
| Curtleigh Productions | Los Angeles | 1955 | 6 |
| Czech Audiovisual Fund | Trade Fair Palace | 2013 | — |
| Czołówka Film Studio | — | — | 1 |
| Česká televize | Prague | 1992 | 23 |