| G-Worldwide Entertainment | — | — | 1 |
| G. Mahesh Babu Entertainment | Hyderabad | 2014 | 2 |
| GA&A Productions | Rome | 1990 | 1 |
| Ga-eul Films | — | — | 8 |
| Gafer | — | 1963 | — |
| Gaga Corporation | Tokyo | January 28, 1986 | 5 |
| Gaiam Vivendi Entertainment | Universal City | 2006 | 1 |
| Gaijin Entertainment | Budapest | 2002 | 1 |
| Gainax | Musashino | December 24, 1984 | 4 |
| Gainsborough Pictures | — | 1924 | 95 |
| Galatée Films | Paris | December 28, 1989 | 8 |
| Galaxy Entertainment & Education | Hanoi | 2013 | 4 |
| Galaxy Films | Kochi | 1997 | 2 |
| Galaxy Studio | Ho Chi Minh City | 2003 | 1 |
| Gamma Entertainment | Montreal | December 9, 1999 | 11 |
| Ganga Producciones | Calle de San Restituto, Madrid | March 12, 1997 | — |
| Garagefilm International AB | Stockholm | 2007 | 6 |
| Garibaldi Brigades | — | September 1943 | 1 |
| Gariza Films | Bilbao | — | 2 |
| Garnet International Media Group | Kyiv | — | 1 |
| Gates Foundation | Seattle | 2000 | 1 |
| Gateway Films | — | 2009 | 3 |
| Gaumont | Neuilly-sur-Seine, Paris | 1895 | 259 |
| Gaumont International Television | West Hollywood | September 12, 2011 | — |
| Gaumont-British Picture Corporation | London | 1898 | 76 |
| Gazprom-Media | Rochdelskaya Street, Moscow | 2000 | 1 |
| GDH 559 | Khlong Tan Nuea | January 5, 2016 | 3 |
| Gebe Film | Mariefred | — | 1 |
| Gebeka Films | France | 1997 | 2 |
| Geetha Arts | Hyderabad | 1972 | 18 |
| Geffen Records | Santa Monica | 1980 | 2 |
| Gemini Film Circuit | Chennai | — | 5 |
| Gender X | Los Angeles | — | 1 |
| Gener8Xion Entertainment | Hollywood | 1993 | 5 |
| General Film | — | — | 1 |
| General Mills | Golden Valley | 1856 | 1 |
| Genoma Films | Bologna | 2016 | 2 |
| Genre Films | United States | — | 10 |
| Geo Films | Karachi | — | 1 |
| Georgian Film Studio | Tbilisi | 1921 | 104 |
| Gerasimov Institute of Cinematography | Moscow | September 1919 | 9 |
| Gesher Multicultural Film Fund | — | 1999 | 2 |
| Geva Films | Givatayim | 1949 | 11 |
| Geyer-Werke | Berlin | 1911 | 1 |
| GF Studios | Lidingö | April 28, 1981 | 2 |
| GFM Animation | London | December 22, 2016 | 1 |
| Ghost Corps | Culver City | — | 1 |
| Gifu Shimbun | Gifu | July 19, 1881 | 1 |
| Gimages Films | Paris | — | 2 |
| Giraff Film | Luleå | November 18, 1986 | 1 |
| Girl Distribution Company | Torrance | 1993 | 1 |
| Girlsway | — | 2014 | 1 |
| Giron-filmi | Helsinki | November 28, 1980 | 1 |
| Give Vacha Foundation | Kutch district | 2015 | 1 |
| GK Films | — | 2007 | 21 |
| Gladiator Film | Turin | 1915 | 1 |
| Gladusaurus Productions | — | — | 1 |
| Glass Eye Pix | New York City | — | 8 |
| Glavkino | Krasnogorsk | 2008 | 1 |
| Global Station | — | 2000 | 1 |
| Globo Filmes | Rio de Janeiro | 1998 | 34 |
| Globomedia | Madrid | October 26, 1993 | 3 |
| Gloob | Rio de Janeiro | — | 1 |
| Gloria Sanchez Productions | Los Angeles | — | 5 |
| Gloriafilm A.G. | Zurich | — | — |
| GlowFly Pictures | — | — | 1 |
| Glowing Studios | Beijing | October 26, 2015 | 1 |
| Glukoza Production | — | — | 1 |
| GMMTV | GMM Grammy Place | August 3, 1995 | 3 |
| GMTV | London | 1993 | — |
| Gobelins | — | 1975 | 1 |
| Gold Film | Istanbul | — | — |
| Golden Effects Pictures | — | — | 5 |
| Golden Films | — | 1993 | 5 |
| Golden Girls Filmproduktion | Vienna | August 1998 | 6 |
| Golden Moustache | Paris | November 8, 2012 | 1 |
| Golden Scene | Hong Kong | 1998 | 3 |
| Golden Tide Pictures | — | — | 11 |
| Goldmoon Film | — | — | 5 |
| Goldove Entertainment | Los Angeles | 2004 | 1 |
| Good Company | — | July 2012 | 1 |
| Good Company Films | — | — | 1 |
| Good Machine | — | 1990 | 16 |
| Good Story Media | Moscow | 2008 | 1 |
| Good Thing Going Productions | New York City | 2019 | 1 |
| Goodfellas | Paris | April 23, 2019 | 2 |
| Goodtimes Enterprises | — | 1968 | 8 |
| GoodTimes Entertainment | Midtown Manhattan | 1984 | 1 |
| Goroka | Barcelona | — | 1 |
| GORUCK | Jacksonville Beach | 2008 | 1 |
| Gosfilmofond of Russia | Domodedovo | 1948 | 1 |
| Gosvoenkino | Tbilisi | 1924 | 2 |
| Government of Serbia | Building of the Ministry of Finance of the Kingdom of Yugoslavia | 2006 | 1 |
| Goëss Film | Budapest | — | 1 |
| GPO Film Unit | — | 1933 | 2 |
| Graand Production | Kochi | 2003 | 3 |
| Gracie Films | Culver City | 1987 | 15 |
| Gran Via Productions | Santa Monica | — | 2 |
| Granada Film | — | — | 3 |
| Grand National Films Inc. | — | 1936 | 2 |
| Grand Street Media | Flatiron District | 2002 | — |
| Graniet Film | Amsterdam | 1985 | 3 |
| Grant Naylor Productions | London | 1983 | — |
| Graphic Films | Southern California | 1941 | 2 |
| Graphinica | Shinjuku | April 22, 2009 | 1 |
| Gravity Entertainment | — | 1997 | 1 |
| Great Oaks Productions | Burbank | 1995 | 10 |
| Great Southern Television | Auckland | — | — |
| Greca Films | — | 1918 | 1 |
| Greek Film Centre | — | 1970 | 32 |
| Green Moon España | Málaga | 2003 | — |
| Greenstone TV | Auckland | 1994 | — |
| Grey Matter Productions | — | 2013 | 3 |
| Grindstone Entertainment Group | Santa Monica | December 26, 2006 | 19 |
| Grizouille Production | Paris | August 4, 2010 | 1 |
| Groenlandia | — | 2014 | 2 |
| Grote Broer Filmwerken | — | — | 1 |
| Group 8 | Seoul | 2000 | — |
| Group TAC | Shibuya | 1968 | 5 |
| Groupe F | France | 1990 | — |
| Groupe Telfrance | Le Perray-en-Yvelines | 1949 | — |
| Grupo Chaski | Chorrillos District | 1982 | 3 |
| Grupo CIE | Mexico City | 1990 | 2 |
| Grupo Telefe | Buenos Aires | October 20, 1989 | 1 |
| Grupo Televisa | Mexico City | January 8, 1973 | 3 |
| Gruppe 5 Filmproduktion | Cologne | 1990 | 1 |
| Guacamole Films | — | 2002 | 1 |
| Guangxi Film Studio | Nanning | May 1958 | 7 |
| Guazzoni Film | — | — | 1 |
| Guild Home Video | — | 1979 | 1 |
| Gémini Films | — | 1987 | 12 |