| Academy of Media Arts Cologne | कोलोन | 1990 | 1 |
| Academy of Theatre, Radio, Film and Television | — | 1945 | 1 |
| Acció | Cerdanyola del Vallès | 1989 | 1 |
| Achab Film | रोम | — | 1 |
| Acropolis Entertainment | — | 6 अक्टूबर 2006 | 1 |
| Act III Communications | — | 1985 | 1 |
| Act III Productions | — | — | 1 |
| Adam's World Of Imagination | केरल | 2015 | 1 |
| Adelaide Film Festival | Glenside | 2002 | 1 |
| Adhadhu | माले | 2011 | 1 |
| Advanced Action Videos | रेडिंग | 7 मई 2003 | 1 |
| Aes-Nihil Productions | — | — | 1 |
| Afghan Film | — | 1968 | 1 |
| AFI Conservatory | — | 1969 | 1 |
| Africa Magic | नाइजीरिया | 2004 | 1 |
| African Film Productions | — | 1915 | 1 |
| AGedO | — | 1992 | 1 |
| Agnès b. | पेरिस | 1975 | 1 |
| Agora Films | — | 1999 | 1 |
| Ahotsa.info | — | 2014 | 1 |
| AI Multimedia | नैशविले | 2018 | 1 |
| Aim Rain Limited | मिडलसेक्स | 21 मई 1993 | 1 |
| Ajiado | साइतामा | 1978 | 1 |
| AKOM | सियोल | 1985 | 1 |
| Akufen | — | — | 1 |
| Al Jazeera Balkans | सारायेवो | 2011 | 1 |
| Al Jazeera Documentary Channel | — | 2007 | 1 |
| Albanian General Vision | — | — | 1 |
| Albanian National Center of Cinematography | — | — | 1 |
| Albena Produccions | L'Alcúdia | — | 1 |
| Albert Bonniers Förlag | स्टॉकहोम | 1837 | 1 |
| Aldo, Giovanni & Giacomo | — | — | 1 |
| Alfa Pictures | बार्सिलोना | — | 1 |
| Alice Films | पेरिस | — | 1 |
| Alien Films Entertainment | — | — | 1 |
| Align | — | — | 1 |
| All Yours Film | — | — | 1 |
| Allarts | — | — | 1 |
| Allary Film | म्यूनिख | 1984 | 1 |
| AllMusic | — | 1991 | 1 |
| Alpha-i | बनानी, ढाका | — | 1 |
| Alquimia Cinema | मद्रिद | — | 1 |
| Alta Loma Films | — | दिसंबर 1999 | 1 |
| Alta Vista | — | — | 1 |
| Altamira Pictures | — | 1993 | 1 |
| Altice Studio | — | — | 1 |
| Alvernia Studios | — | — | 1 |
| AM Television | — | 2012 | 1 |