| Grizouille Production | — | August 4, 2010 | — | 1 |
| Grote Broer Filmwerken | Netherlands | — | — | 1 |
| Grouper Productions | Japan | — | — | 1 |
| Grup Focus | Spain | February 13, 1986 | — | 1 |
| Grupa Filmowa | Poland | — | — | 1 |
| Grupo Octubre | Argentina | October 17, 2006 | — | 1 |
| Grupo PRISA | Spain | January 18, 1972 | — | 1 |
| Grupo Telefe | Argentina | October 20, 1989 | — | 1 |
| Gruppe 5 Filmproduktion | Germany | 1990 | — | 1 |
| Guacamole Films | Argentina | 2002 | — | 1 |
| Guazzoni Film | Italy | — | — | 1 |
| Guerilla Films | United Kingdom | 1995 | — | 1 |
| Guild Home Video | United Kingdom | 1979 | 1998 | 1 |
| Gullane Entertainment PLC | — | 1987 | 2002 | 1 |
| GunHil Ltd. | Iceland | 2012 | — | 1 |
| Guru Studio | Canada | 2000 | — | 1 |
| H.m.p. | Japan | 1981 | — | 1 |
| H5 | France | 1994 | — | 1 |
| Hachette | France | 1826 | — | 1 |
| Haiyan Film Studio | People's Republic of China | — | — | 1 |
| Hakuhodo | Japan | 1895 | — | 1 |
| Hakuhodo DY Media Partners | Japan | December 2003 | — | 1 |
| Hakuhodo DY Music & Pictures | Japan | October 2015 | — | 1 |
| Halas and Batchelor | United Kingdom | 1940 | 1986 | 1 |
| Hallmark Channel | United States | 1984 | — | 1 |
| Hallmark Pictures Corporation | United States | 1919 | — | 1 |
| Halo Studios | United States | 2009 | — | 1 |
| Handmade Films in Norwegian Woods | Norway | August 23, 2013 | — | 1 |
| Hannover House | — | 1993 | — | 1 |
| Hanoi Radio – Television Station | Vietnam | 1954 | — | 1 |
| Hans Oppenheimer Film | Germany | — | — | 1 |
| Hanwha Group | South Korea | October 1952 | — | 1 |
| Haoliners Animation League | — | 2013 | — | 1 |
| Happinet Phantom Studios | Japan | January 20, 2021 | April 2, 2025 | 1 |
| Happy Endings | Norway | — | — | 1 |
| Happy Life | Sweden | 1997 | — | 1 |
| Harbour Pictures | United Kingdom | 1999 | — | 1 |
| Harlin & Selin Productions | Finland | 1990 | 1990 | 1 |
| Harmonica Films | Sweden | February 18, 2008 | — | 1 |
| Harmony Gold USA | United States | 1983 | — | 1 |
| Harvest International | United States | — | — | 1 |
| Hasbro Entertainment | United States | August 16, 2023 | — | 1 |
| Hasya Movies | India | — | — | 1 |
| Hats Off Productions | — | 2003 | — | 1 |
| Haworth Pictures Corporation | United States | — | — | 1 |
| HazazaH | Netherlands | — | — | 1 |
| HB Entertainment | South Korea | — | — | 1 |
| HB Wink Animation | China | — | — | 1 |
| Hearst Communications | United States | July 13, 1920 | — | 1 |
| Heategevusfond Diplomifilm | Estonia | — | — | 1 |
| Hedgebrook | United States | 2004 | — | 1 |
| Helea Sound Post Production | Finland | January 5, 2006 | — | 1 |
| Hello Sunshine | United States | 2016 | — | 1 |
| Hello! Project | — | 1998 | — | 1 |
| Hemera Films | Morocco | — | — | 1 |
| Henson Alternative | — | — | — | 1 |
| HerbX film | Germany | — | — | 1 |
| Heretic Films | United States | 2012 | — | 1 |
| HereTV | United States | 2002 | — | 1 |
| Hermitage Bridge Studio | Russia | — | — | 1 |
| Hero-Film | Norway | 1946 | — | 1 |
| Heron Communications | United States | 1984 | 1993 | 1 |
| Heymann Brothers Films | Israel | — | — | 1 |
| High Treason Pictures | — | 2006 | — | 1 |
| Highball TV | Canada | — | — | 1 |
| HighZium studio | South Korea | — | — | 1 |
| HIM International Music | Taiwan | 1999 | — | 1 |
| Hinduja Group | — | 1919 | — | 1 |
| Hing Fat Film Company | Hong Kong | — | — | 1 |
| Hispano Foxfilms S.A.E. | Spain | — | — | 1 |
| History Dreams | United Kingdom | — | — | 1 |
| Hit and Run Productions | — | 1985 | — | 1 |
| Hittites | Hatti | 1700 BC | — | 1 |
| HMV Retail Ltd. | United Kingdom | 1921 | — | 1 |
| Ho Chi Minh City Television | Vietnam | May 1975 | — | 1 |
| Hollywood Gang Productions | United States | — | — | 1 |
| Homa Cinematic Organization | Pahlavi Iran | — | — | 1 |
| Homage Comics | — | 1996 | — | 1 |
| Hong Ying Animation | — | 1986 | — | 1 |
| Hot Toys | People's Republic of China | 2000 | — | 1 |
| House of Donati | Duchy of Florence | — | — | 1 |
| Hoyts | Australia | 1926 | — | 1 |
| Hoyts Edgley | Australia | — | — | 1 |
| Hozeh Honari | Iran | 1979 | — | 1 |
| Hrif | Iceland | July 17, 1985 | October 31, 2007 | 1 |
| HSCC | Israel | — | — | 1 |
| Huaju Film Company | Republic of China | 1925 | — | 1 |
| Huevocartoon | Mexico | November 2001 | — | 1 |
| Hughes Entertainment | United States | — | — | 1 |
| Huh huh | Finland | November 11, 1999 | — | 1 |
| Huhu Studios | — | — | — | 1 |
| Hulu | United States | March 2007 | — | 1 |
| Hum TV | Pakistan | 2005 | — | 1 |
| Human Rights Foundation | United States | 2005 | — | 1 |
| Hunan Broadcasting System | People's Republic of China | June 28, 2010 | — | 1 |
| Hunnia Studio | Hungary | 1912 | 1913 | 1 |
| Hurricane Films | United Kingdom | — | — | 1 |
| Hwa&Dam Pictures | South Korea | 2007 | — | 1 |
| Hybe | South Korea | February 4, 2005 | — | 1 |
| Hyperion Entertainment | — | March 1999 | — | 1 |