| Zion Meyers Productions | — | — | 2 |
| Zweites Deutsches Fernsehen | Lerchenberg | — | 2 |
| Ö-Filmproduktion Löprich & Schlösser | Berlin | — | 2 |
| 12-Gauge Production | — | — | 1 |
| 13ème Rue Universal | — | 1997 | 1 |
| 2 Player Productions | Portland | 2005 | 1 |
| 2003 Productions | — | — | 1 |
| 20th Digital Studio | Century City | 2008 | 1 |
| 21st Century Hero Film Investment | — | — | 1 |
| 23/5 Filmproduktion | Berlin | — | 1 |
| 2Plan2 | Russia | 1999 | 1 |
| 3DD Productions | London Borough of Camden | — | 1 |
| 4 Mecs en Baskets | Paris | 2000 | 1 |
| 4Licensing Corporation | New York City | 1970 | 1 |
| 6112072 Canada Inc | — | — | 1 |
| 6253032 Canada Inc. | — | — | 1 |
| 6291635 Canada Inc. | — | — | 1 |
| 6821651 Canada Inc. | — | — | 1 |
| 6893619 Canada Inc. | — | — | 1 |
| 9 Story Media Group | Toronto | September 2002 | 1 |
| A Stern Talking To | — | — | 1 |
| A+E Global Media | New York City | 1984 | 1 |
| A-Film | Amsterdam | 1999 | 1 |
| A.A. Les Films Belges | — | — | 1 |
| Aalto University School of Arts, Design and Architecture | — | 1871 | 1 |
| AB Stockholmfilm | — | 1937 | 1 |
| ABC News | Upper West Side | June 15, 1945 | 1 |
| Abhishek Agarwal Arts | Hyderabad | 2018 | 1 |
| Above Average Productions | New York City | — | 1 |
| Absolute Entertainment | Upper Saddle River | 1986 | 1 |
| Abu Dhabi Media | Abu Dhabi | 2007 | 1 |
| Abú Media | Indreabhán | 2000 | 1 |
| Academy of Dramatic Art | Zagreb | 1896 | 1 |
| Academy of Theatre, Radio, Film and Television | — | 1945 | 1 |
| Achab Film | Rome | — | 1 |
| Acropolis Entertainment | — | October 6, 2006 | 1 |
| Act III Broadcasting | — | 1986 | 1 |
| Act III Communications | — | 1985 | 1 |
| Act III Productions | — | — | 1 |
| Ad Vitam Distribution | France | 1998 | 1 |
| Adam Film | — | — | 1 |
| Adam's World Of Imagination | Kerala | 2015 | 1 |
| Addict Films | Oslo | — | 1 |
| Adelaide Productions | Culver City | 1993 | 1 |
| Adhadhu | Malé | 2011 | 1 |
| Advanced Action Videos | Redding | May 7, 2003 | 1 |
| Aegean Oil S.A. | — | — | 1 |
| Aes-Nihil Productions | — | — | 1 |