| Aywon Film Corporation | — | — | 1 |
| Azad Azerbaijan TV | Baku | 2000 | 1 |
| Azar Film | — | — | 1 |
| Aziani | — | 2005 | 1 |
| B Production | Bratislava | 18 Mei 2019 | 1 |
| B's International | Higashiyama | 1990 | 1 |
| Babel Label | Shinsenchō | 2010 | 1 |
| Baby Einstein | Atlanta | 1996 | 1 |
| Badan Antariksa Federal Rusia | Moskow | 25 Februari 1992 | 1 |
| Baku Media Center | Baku | 2013 | 1 |
| Balboa 2 | Hvidovre | 1997 | 1 |
| Baldur Film | Seltjarnarnes | — | 1 |
| BandLab Technologies | — | — | 1 |
| Bang Bros | Miami | 2004 | 1 |
| Bang Zoom! Entertainment | Bang Zoom! Studios | 1993 | 1 |
| Bang! | — | — | 1 |
| Banijay Nordics | Swedia | — | 1 |
| Bankable Productions | — | — | 1 |
| Baozou | — | 2008 | 1 |
| Baram Pictures | — | — | 1 |
| Barefoot Films | Berlin | 2004 | 1 |
| Barré Studio | — | 1914 | 1 |
| Barunson Studio | — | — | 1 |
| Base FX | Los Angeles | 2006 | 1 |
| Basement Films | — | 2022 | 1 |
| Basque Government | Headquarters of the Basque Government | 1980 | 1 |
| Batavia Pictures | — | — | 1 |
| Bathysphere productions | Arondisemen ke-10 Paris | — | 1 |
| Baya Films | — | — | 1 |
| Baš Čelik Film House | Beograd | — | 1 |
| BBC Four | London | 2002 | 1 |
| BBC Studios | London | April 2016 | 1 |
| BE-TV | Bogotá | 2008 | 1 |
| Bedna Films | Praha | 13 Mei 2009 | 1 |
| Bedrock Studios | — | — | 1 |
| Bee Vine Pictures | — | 2007 | 1 |
| Behindwoods | Chennai | 2004 | 1 |
| Beijing Gehua CATV Network Co.,Ltd. | Beijing | — | 1 |
| Belarus Free Theatre | — | 30 Maret 2005 | 1 |
| Bell Broadcast and New Media Fund | Toronto | 1997 | 1 |
| Bell Media | Toronto | 2001 | 1 |
| Bellini Industries | — | — | 1 |
| Bend It Films | London | — | 1 |
| Benelux Film Distributors | Gent | 2006 | 1 |
| Benetone Hillin Entertainment | — | 2011 | 1 |
| Berliner Ensemble | Theater am Schiffbauerdamm | 1949 | 1 |
| Best Film | — | 7 November 2001 | 1 |
| BFI Production Board | — | — | 1 |