| H.m.p. | Tokyo | 1981 | 1 |
| Haddock Films | Buenos Aires | 2006 | 2 |
| Hager Moss Film | Munich | 1989 | 5 |
| Hakuhodo DY Media Partners | Tokyo | December 2003 | 1 |
| Hakuhodo DY Music & Pictures | Tokyo | October 2015 | 1 |
| HAL Films | — | October 1997 | 2 |
| Hal Roach Studios | Culver City | 1919 | 34 |
| Halas and Batchelor | — | 1940 | 1 |
| Hallmark Pictures Corporation | — | 1919 | 1 |
| Halo Studios | Redmond | 2009 | 1 |
| Hanna-Barbera | Los Angeles, Sherman Oaks Galleria | 1957 | 24 |
| Hanoi Radio – Television Station | — | 1954 | 1 |
| HanWay Films | — | — | 23 |
| Hanwha Group | Seoul | October 1952 | 1 |
| Happinet Phantom Studios | Taitō-ku | January 20, 2021 | 1 |
| Happy Endings Film | Aachen | — | — |
| Happy Life | Sweden | 1997 | 1 |
| Harbour Pictures | — | 1999 | 1 |
| Hard X | — | 2013 | 9 |
| Hargla Company | Riga | June 9, 1997 | 3 |
| Hari Studios | Paris | October 5, 2006 | — |
| Harlin & Selin Productions | — | 1990 | 1 |
| Harmonica Films | Stockholm | February 18, 2008 | 1 |
| Harpo Productions | Chicago, West Hollywood | 1986 | 3 |
| Harvey Comics | New York City | 1941 | 2 |
| Hasbro | Pawtucket | 1923 | 18 |
| Hasbro Entertainment | Burbank | August 16, 2023 | 1 |
| Hashima Islanders for Historical Truth | — | — | 3 |
| Haut et Court | Paris | — | 18 |
| Hawk Films | United Kingdom | 1964 | 3 |
| Haz Films | Irun | 1955 | 2 |
| HazazaH | Amsterdam | — | 1 |
| HB Wink Animation | — | — | 1 |
| HBO | New York City | November 8, 1972 | 48 |
| HBO Europe | Budapest | 1991 | 5 |
| Hearst Communications | Hearst Tower | July 13, 1920 | 1 |
| Hedgebrook | Ashland | 2004 | 1 |
| Helea Sound Post Production | Helsinki | January 5, 2006 | 1 |
| Helen Cinematic Organization | — | — | 2 |
| Hello Sunshine | — | 2016 | 1 |
| Helsinki Film | Kaartinkaupunki | 2002 | 28 |
| Hemdale films | London | 1967 | 26 |
| Hemera Films | Paris | — | 1 |
| Here Media | Los Angeles | 2009 | 2 |
| Heritage Films | Warsaw | 1991 | 2 |
| Hermes Synchron | Potsdam | 1967 | — |
| Hermitage Bridge Studio | Saint Petersburg | — | 1 |
| Heron Communications | — | 1984 | 1 |
| Herzliya Studios | Herzliya | 1949 | 36 |
| Hesam Film | — | — | 2 |
| Hessischer Rundfunk | Frankfurt | October 2, 1948 | 7 |
| Heyi Pictures | People's Republic of China | — | 5 |
| Heymann Brothers Films | — | — | 1 |
| Hi Film Production | Bucharest | — | 9 |
| High Bridge Productions | Santa Monica | 2008 | — |
| Highball TV | — | — | 1 |
| Higher Ground Productions | Los Angeles | May 2018 | 4 |
| Highway Productions | Athens | — | 2 |
| HighZium Studio | — | — | 1 |
| HILLDALE | Noisy-le-Sec | 2007 | — |
| HIM International Music | Taipei | 1999 | 1 |
| Hispano Foxfilms S.A.E. | — | — | 1 |
| History | New York City | 1995 | 3 |
| History Dreams | London | — | 1 |
| Hittites | — | 1700 BC | 1 |
| HK Film | Ho Chi Minh City | 2005 | 3 |
| HMV Retail Ltd. | London | 1921 | 1 |
| Ho Chi Minh City Television Film Studios | — | — | 7 |
| HOBAB | Johanneshov | — | 3 |
| Hollandiafilm | Jayapura, Haarlem | April 9, 1914 | — |
| Hollywood Gang Productions | — | — | 1 |
| Hollywood Pictures | Los Angeles | February 1989 | 86 |
| Homage Comics | — | 1996 | 1 |
| Hong Ying Animation | Suzhou | 1986 | 1 |
| Hoodlum | Brisbane | — | 2 |
| HOOQ | — | 2015 | 2 |
| Hopscotch Films | — | July 2006 | 17 |
| Horipro | Tokyo | 1963 | 7 |
| Horizon Pictures | — | — | 9 |
| Hot Toys | Hong Kong | 2000 | 1 |
| House of Donati | — | — | 1 |
| How Full's inc. | Azabu-Jūban | September 1978 | — |
| Hoyts Edgley | — | — | 1 |
| Hozeh Honari | Tehran | 1979 | 1 |
| HSCC | — | — | 1 |
| Huaxia Film Distribution | People's Republic of China | August 8, 2003 | 9 |
| Huayi Brothers | Beijing | 1994 | 32 |
| Huevocartoon | Mexico | November 2001 | 1 |
| Hughes Entertainment | — | — | 1 |
| Huh huh | Helsinki | November 11, 1999 | 1 |
| Hui's Film Production | Hong Kong | 1974 | 3 |
| Hum TV | Karachi | 2005 | 1 |
| Human Rights Foundation | New York City | 2005 | 1 |
| Hungarian Soviet Republic | — | March 21, 1919 | 2 |
| Hungarofilm | Budapest | 1956 | — |
| Hunnia Studio | — | 1912 | 1 |
| Hustler Video | United States | 1998 | 19 |
| Hwa&Dam Pictures | Gangnam District | 2007 | 1 |
| Hydraulx | Santa Monica | 2002 | 4 |
| Hyperion Entertainment | Brussels metropolitan area | March 1999 | 1 |
| Hyperion Pictures | Los Angeles | 1984 | 5 |
| Hōsō Dōga Seisaku | Tokyo | February 15, 1966 | — |