| Abingdon Film Unit | United Kingdom | 2003 | — | — |
| Abominable Pictures | United States | 2006 | — | — |
| ABS-CBN Studios | Philippines | 1962 | — | — |
| ACE FACTORY | South Korea | November 14, 2018 | — | — |
| Action Concept | Germany | 1992 | — | — |
| Adness Entertainment | United States | 2007 | — | — |
| Advent Film Group | United States | 2007 | — | — |
| Adventure Line Productions | France | 1972 | — | — |
| AFIFA | Germany | 1921 | 1956 | — |
| Afro-Centric Productions | United States | 1998 | — | — |
| Agenda Media | Germany | 2008 | June 30, 2015 | — |
| AGTV Productions | Chile | 2011 | — | — |
| Aho & Soldan | Finland | 1924 | — | — |
| Air Productions | France | 1993 | — | — |
| Ajoz Films | France | 1981 | 2018 | — |
| Alberts Frères | Netherlands | 1899 | 1911 | — |
| All3Media | United Kingdom | 2003 | July 9, 2026 | — |
| Allen Media Group | United States | 1993 | — | — |
| Allianz-Film | Germany | — | — | — |
| Allied Artists International | United States | 1979 | — | — |
| Alpha Group Company | People's Republic of China | 1993 | — | — |
| Amauta Films | Peru | April 1937 | 1940 | — |
| Amazone | Japan | April 1988 | April 2010 | — |
| American Nurses Association | United States | 1896 | — | — |
| American Sports Network | United States | July 17, 2014 | — | — |
| Anagram Sverige | Sweden | August 3, 2004 | — | — |
| Anal Vids | Czech Republic | — | — | — |
| Angels Broadcast Television | United States | 1985 | — | — |
| Animose Studio | Russia | 1999 | — | — |
| Apollo Pictures | United States | 1917 | — | — |
| Appetite Production | Poland | 2008 | — | — |
| Araba Films | Spain | — | — | — |
| Arena Synchron | Germany | 1972 | — | — |
| Argonon | United Kingdom | 2011 | — | — |
| Armenakob | Armenia | October 5, 2000 | April 24, 2009 | — |
| Arsenal | Germany | 1975 | — | — |
| Arthouse Traffic | Ukraine | 2003 | — | — |
| Artist Company | South Korea | 2016 | — | — |
| ARY Digital Network | Pakistan | 2000 | — | — |
| Ashmont Productions | United States | 1965 | 1976 | — |
| Associate Directors | Belgium | 1991 | — | — |
| AT&T SportsNet Pittsburgh | United States | 1986 | — | — |
| AT&T SportsNet Rocky Mountain | United States | 1988 | — | — |
| Atlantique Productions | France | 1982 | — | — |
| ATNINE FILM | South Korea | May 22, 1996 | — | — |
| Attraction Images | Canada | 2002 | — | — |
| ATV | United Kingdom | September 24, 1955 | — | — |
| ATV | Russia | September 15, 1988 | — | — |
| Australian Film Development Corporation | Australia | August 17, 1970 | July 8, 1975 | — |
| Authentic Entertainment | United States | 2000 | January 31, 2025 | — |
| Automat Pictures | United States | 2000 | — | — |
| Automatic Vaudeville Studios | Canada | 1998 | — | — |
| Autour de Minuit | France | 2001 | — | — |
| AVA Productions | India | 2012 | — | — |
| Avex Pictures | Japan | April 2014 | — | — |
| Azerbaijan State Film Fund | Azerbaijan | December 22, 1993 | — | — |
| Bad Wolf | Wales | 2015 | — | — |
| Balet y Blay | Spain | 1938 | — | — |
| Bally Sports | United States | March 31, 2021 | — | — |
| Bally Sports Midwest | United States | 1989 | — | — |
| Bally Sports North | United States | 1986 | — | — |
| Bally Sports Ohio | United States | 1989 | — | — |
| Bally Sports Sun | United States | 1988 | — | — |
| Bally Sports Wisconsin | United States | 2007 | — | — |
| Bamforth & Co. | United Kingdom | — | — | — |
| Bangumi | France | June 15, 2011 | — | — |
| Banijay Entertainment | United Kingdom | July 9, 2026 | — | — |
| Banijay Entertainment S.A. | France | 2008 | July 9, 2026 | — |
| Banijay Kids & Family | United Kingdom | February 14, 2011 | — | — |
| Banijay Kids & Family Distribution | United Kingdom | — | — | — |
| Banijay Studios Italy | Italy | 2018 | — | — |
| Banijay UK | United Kingdom | 1994 | — | — |
| Banyan Productions | United States | — | — | — |
| Baram Pictures Corp. | South Korea | February 16, 2017 | — | — |
| Bavaria Fiction | Germany | 2007 | — | — |
| Bee Brain | Japan | September 11, 1990 | — | — |
| Behindwoods.com | India | 2004 | — | — |
| Bel Ami | Slovakia | 1993 | — | — |
| Belga Films | Belgium | 1937 | February 12, 2026 | — |
| Bellman Productions | France | 1997 | December 7, 2011 | — |
| Bent Image Lab | United States | 2002 | — | — |
| Berlin-Film | Nazi Germany | 1941 | 1945 | — |
| Berliner Union Film | Germany | 1963 | — | — |
| Bhagirathi Films | India | 2015 | — | — |
| Big Bang Media | Spain | 2009 | — | — |
| Big Soul Productions | Canada | 1999 | — | — |
| Big Ten Network | United States | August 30, 2007 | — | — |
| Big Ticket Entertainment | United States | 1994 | — | — |
| BigBalls Films | United Kingdom | 2005 | — | — |
| Billionfold Inc. | United States | 2003 | — | — |
| Black Box Foundation | Hungary | 1988 | — | — |
| Black Camel Pictures | United Kingdom | — | — | — |
| Black Sheep Film Productions | Israel | 2010 | — | — |
| Black Star | Russia | 2006 | — | — |
| Blackfella Films | Australia | 1992 | — | — |
| Blair Entertainment | United States | 1970 | 1992 | — |
| Blim TV | Mexico | February 22, 2016 | — | — |
| Blink | United Kingdom | 1985 | — | — |
| Blue Circle | Netherlands | 2004 | — | — |
| Bluverde Filmproduktion | Germany | — | — | — |