| G-Worldwide Entertainment | Nigeria | — | — | 1 |
| G. Mahesh Babu Entertainment | India | 2014 | — | 2 |
| GA&A Productions | Italy | 1990 | — | 1 |
| Ga-eul Films | South Korea | — | — | 8 |
| Gadjah Mada University | Indonesia | 1949 | — | 1 |
| Gafer | France | 1963 | — | — |
| Gaga Corporation | Japan | January 28, 1986 | — | 5 |
| Gaiam Vivendi Entertainment | — | 2006 | 2013 | 1 |
| Gaijin Entertainment | Hungary | 2002 | — | 1 |
| Gainax | Japan | December 24, 1984 | May 29, 2024 | 4 |
| Gainsborough Pictures | United Kingdom | 1924 | — | 95 |
| Galafilm | Canada | — | — | 2 |
| Galatée Films | France | December 28, 1989 | — | 8 |
| Galaxy Entertainment & Education | Vietnam | 2013 | — | 4 |
| Galaxy Films | — | 1997 | — | 2 |
| Galaxy Play | Vietnam | — | — | 1 |
| Galaxy Studio | Vietnam | 2003 | — | 1 |
| Gallagher Filmes | Brazil | — | — | 1 |
| Gallop | Japan | December 13, 1978 | — | 1 |
| Galápagos Media | Spain | — | — | 1 |
| Gamechanger Films | United States | 2013 | — | 2 |
| Games Productions | United States | 1987 | October 2025 | 6 |
| Gamma Entertainment | Canada | December 9, 1999 | — | 11 |
| Gamma Film | Italy | 1953 | 1990 | 2 |
| Ganga Producciones | Spain | March 12, 1997 | — | — |
| Gao Shan Pictures | — | 2014 | — | 1 |
| Gaon Contents | South Korea | — | — | 3 |
| Garagefilm International AB | Sweden | 2007 | — | 6 |
| Garagesale Productions | United Kingdom | — | — | 1 |
| Garibaldi Brigades | Italy | September 1943 | — | 1 |
| Gariza Films | Spain | — | — | 2 |
| Garlin Pictures | — | — | — | 1 |
| Garnet International Media Group | Ukraine | — | — | 1 |
| Gary Sanchez Productions | United States | — | — | 18 |
| Gates Foundation | United States | 2000 | 2045 | 1 |
| Gateway Films | — | 2009 | — | 3 |
| Gativideo | Argentina | — | — | 1 |
| Gaumont | France | 1895 | — | 259 |
| Gaumont International Television | United States | September 12, 2011 | — | — |
| Gaumont-British Picture Corporation | United Kingdom | 1898 | 1941 | 76 |
| Gazgolder | Russia | 2006 | — | 1 |
| Gazprom-Media | Russia | 2000 | — | 1 |
| GDH 559 | Thailand | January 5, 2016 | — | 3 |
| Gebe Film | Sweden | — | — | 1 |
| Gebeka Films | France | 1997 | — | 2 |
| Gedeon Programmes | France | — | — | 1 |
| Geetha Arts | — | 1972 | — | 18 |
| Geffen Records | United States | 1980 | — | 2 |
| Gemini Film Circuit | — | — | — | 5 |
| Gemini Studios | — | 1940 | — | 20 |
| Genco | Japan | March 3, 1997 | — | 1 |
| Gendai Production | Japan | 1951 | — | 1 |
| Gender X | United States | — | — | 1 |
| Gener8Xion Entertainment | — | 1993 | — | 5 |
| General Entertainment | Japan | March 4, 1994 | — | 1 |
| General Film | Pahlavi Iran | — | — | 1 |
| General Film Distributors | United Kingdom | — | — | 1 |
| General Mills | United States | 1856 | — | 1 |
| General Motors | United States | September 16, 1908 | — | 1 |
| Genoma Films | Italy | 2016 | — | 2 |
| Genre Films | — | — | — | 10 |
| Geo Films | — | — | — | 1 |
| Georgia Public Broadcasting | United States | 1960 | — | 1 |
| Georgian Film Studio | Georgia | 1921 | — | 104 |
| Gerasimov Institute of Cinematography | Russia | September 1919 | — | 9 |
| German Federal Film Board | — | 1968 | — | 2 |
| Germinal Films | Spain | November 6, 1979 | March 30, 1987 | 1 |
| Gesher Multicultural Film Fund | Israel | 1999 | — | 2 |
| Gestmusic | Spain | 1987 | — | — |
| Get Reel Productions | Netherlands | — | — | 2 |
| Geva Films | Israel | 1949 | — | 11 |
| Geyer-Werke | Germany | 1911 | — | 1 |
| GF Studios | Sweden | April 28, 1981 | — | 2 |
| GFM Animation | United Kingdom | December 22, 2016 | — | 1 |
| Ghost Corps | — | — | — | 1 |
| Ghost House Pictures | United States | 2002 | — | 16 |
| Gifu Shimbun | Japan | July 19, 1881 | — | 1 |
| Gimages Films | France | — | — | 2 |
| Giraff Film | Sweden | November 18, 1986 | — | 1 |
| Girl Candy Films | United States | 2011 | — | 2 |
| Girl Distribution Company | — | 1993 | — | 1 |
| Girlsway | United States | 2014 | — | 1 |
| Giron-filmi | Finland | November 28, 1980 | — | 1 |
| Give Vacha Foundation | India | 2015 | — | 1 |
| GK Films | — | 2007 | — | 21 |
| Gladiator Film | Italy | 1915 | 1919 | 1 |
| Gladusaurus Productions | Australia | — | — | 1 |
| Glass Eye Pix | — | — | — | 8 |
| Glavkino | Russia | 2008 | — | 1 |
| Global Medya | Turkey | — | — | — |
| Global Station | Malaysia | 2000 | — | 1 |
| Globo Filmes | — | 1998 | — | 34 |
| Globomedia | Spain | October 26, 1993 | — | 3 |
| Globoplay | — | November 3, 2015 | — | 2 |
| Gloob | Brazil | — | — | 1 |
| Gloria Films | Italy | April 20, 1913 | December 1916 | 4 |
| Gloria Sanchez Productions | — | — | — | 5 |
| Gloria-Film | German Reich | — | — | 1 |
| Gloriafilm A.G. | Switzerland | — | — | — |
| GlowFly Pictures | South Korea | — | — | 1 |
| GLOWING & UNIT | People's Republic of China | October 28, 2022 | — | 1 |
| Glowing Studios | People's Republic of China | October 26, 2015 | — | 1 |
| Glukoza Production | Russia | — | — | 1 |
| GMA Pictures | — | 1995 | — | 14 |
| GMM Grammy | Thailand | November 11, 1983 | — | 2 |
| GMM Tai Hub | Thailand | April 29, 2004 | December 31, 2015 | 5 |
| GMMTV | Thailand | August 3, 1995 | — | 3 |
| GMTV | — | 1993 | — | — |
| Go between films | Switzerland | 2001 | — | 4 |
| Go Films | — | 2000 | — | 6 |
| Gobelins | France | 1975 | — | 1 |
| Goethe-Institut | Germany | 1951 | — | 1 |
| Gold Circle Films | United States | 2000 | — | 25 |
| Gold Film | Turkey | — | — | — |
| Goldcrest Films | United Kingdom | 1977 | — | 20 |
| Golden Effects Pictures | Nigeria | — | — | 5 |
| Golden Film AB | Sweden | — | — | 2 |
| Golden Films | United States | 1993 | 2004 | 5 |
| Golden Girls Filmproduktion | Austria | August 1998 | — | 6 |
| Golden Moustache | France | November 8, 2012 | — | 1 |
| Golden Princess Film Production | — | 1970 | — | 1 |
| Golden Scene | People's Republic of China | 1998 | — | 3 |
| Golden Tide Pictures | South Korea | — | — | 11 |
| Golden Way Films | People's Republic of China | — | — | 1 |
| GoldenTiger Productions | United States | 2007 | — | 3 |
| Goldkind Film | Germany | 2001 | — | 2 |
| Goldmoon Film | South Korea | — | — | 5 |
| Goldove Entertainment | Canada | 2004 | — | 1 |
| Goldwyn Pictures | United States | 1916 | 1924 | 19 |
| Gonzo | Japan | September 11, 1992 | — | 2 |
| Good Clean Fun LLC | United States | December 26, 2006 | April 19, 2017 | — |
| Good Company | United States | July 2012 | — | 1 |
| Good Company Films | Denmark | — | — | 1 |
| Good Films | Italy | 2012 | — | 2 |
| Good Machine | — | 1990 | 2002 | 16 |
| Good News 4 Films | Egypt | — | — | 2 |
| Good Story Media | Russia | 2008 | — | 1 |
| Good Thing Going Productions | United States | 2019 | — | 1 |
| Good Universe | — | 2012 | — | 9 |
| Goodfellas | France | April 23, 2019 | — | 2 |
| Goodtimes Enterprises | United Kingdom | 1968 | — | 8 |
| GoodTimes Entertainment | — | 1984 | July 2005 | 1 |
| Gorgeous Enterprises | United Kingdom | 1996 | — | — |
| Gorky Film Studio | Russia | 1915 | — | 409 |
| Goroka | Spain | — | — | 1 |
| Gorooh-e Azad-e Film | Pahlavi Iran | — | — | 9 |
| GORUCK | — | 2008 | — | 1 |
| Gosfilmofond of Russia | Russia | 1948 | — | 1 |
| Gosvoenkino | Soviet Union | 1924 | 1929 | 2 |
| Government of Serbia | Serbia | 2006 | — | 1 |
| Government of West Bengal | India | — | — | 1 |
| Goya Producciones | Spain | — | — | 4 |
| Goëss Film | Hungary | — | — | 1 |
| GPO Film Unit | — | 1933 | — | 2 |
| Graal | Greece | — | — | 3 |
| Graand Production | India | 2003 | — | 3 |
| Gracie Films | United States | 1987 | — | 15 |
| Grady Twins Productions | United States | 2009 | — | — |
| Gramercy Pictures | United States | 2015 | — | 8 |
| Gran Via Productions | — | — | — | 2 |
| Granada Film | United Kingdom | — | 2000 | 3 |
| Grand Est | France | 2016 | — | 1 |
| Grand Hustle Records | United States | 2003 | — | 1 |
| Grand National Films Inc. | United States | 1936 | 1939 | 2 |
| Grand Street Media | United States | 2002 | — | — |
| Graniet Film | Netherlands | 1985 | — | 3 |
| Grant Naylor Productions | — | 1983 | — | — |
| Graphic Films | — | 1941 | — | 2 |
| Graphinica | Japan | April 22, 2009 | — | 1 |
| Grass Root Film Company | India | 2012 | — | 5 |
| Gravitas Ventures | United States | 2006 | — | 3 |
| Gravity Entertainment | United States | 1997 | — | 1 |
| Gray Area Multimedia | United States | 2015 | — | 4 |
| Grazing Goat Pictures | — | 2011 | — | 4 |
| Great Oaks Productions | United States | 1995 | — | 10 |
| Great Southern Television | New Zealand | — | — | — |
| Greca Films | Argentina | 1918 | — | 1 |
| Greek Film Centre | Greece | 1970 | — | 32 |
| Green Gold Animations | India | — | — | 1 |
| Green Moon España | Spain | 2003 | — | — |
| Green Productions | Israel | 2009 | — | — |
| Greengrass Productions | United States | — | — | — |
| Greenpoint Films | United Kingdom | — | — | 1 |
| Greenstone TV | New Zealand | 1994 | — | — |
| GreenWorldTV | United Kingdom | — | — | 2 |
| Grey Matter Productions | United Kingdom | 2013 | — | 3 |
| Grindstone Entertainment Group | United States | December 26, 2006 | — | 19 |
| Grizouille Production | — | August 4, 2010 | — | 1 |
| Groenlandia | — | 2014 | — | 2 |
| Grote Broer Filmwerken | Netherlands | — | — | 1 |
| Group 8 | South Korea | 2000 | — | — |
| Group TAC | Japan | 1968 | 2010 | 5 |
| Groupe F | — | 1990 | — | — |
| Groupe M6 | France | March 1987 | — | 28 |
| Groupe Telfrance | France | 1949 | — | — |
| Groupe TF1 | France | 1987 | — | 25 |
| Grouper Productions | Japan | — | — | 1 |
| Grup Focus | Spain | February 13, 1986 | — | 1 |
| Grupa Filmowa | Poland | — | — | 1 |
| Grupo Chaski | Peru | 1982 | — | 3 |
| Grupo CIE | Mexico | 1990 | — | 2 |
| Grupo Octubre | Argentina | October 17, 2006 | — | 1 |
| Grupo PRISA | Spain | January 18, 1972 | — | 1 |
| Grupo Telefe | Argentina | October 20, 1989 | — | 1 |
| Grupo Televisa | Mexico | January 8, 1973 | — | 3 |
| Gruppe 5 Filmproduktion | Germany | 1990 | — | 1 |
| Guacamole Films | Argentina | 2002 | — | 1 |
| Guangxi Film Studio | People's Republic of China | May 1958 | — | 7 |
| Guazzoni Film | Italy | — | — | 1 |
| Guerilla Films | United Kingdom | 1995 | — | 1 |
| Guild Home Video | United Kingdom | 1979 | 1998 | 1 |
| Gullane Entertainment PLC | — | 1987 | 2002 | 1 |
| Gum Films | Israel | 2008 | — | 2 |
| GunHil Ltd. | Iceland | 2012 | — | 1 |
| Gunpowder & Sky | United States | 2016 | — | 2 |
| Guru Dutt Films | India | January 11, 1955 | — | — |
| Guru Studio | Canada | 2000 | — | 1 |
| Gémini Films | — | 1987 | November 2006 | 12 |
| Götafilm | Sweden | 1988 | — | 6 |