| Bibury Animation Studio | Mitaka | Mei 2017 | 1 |
| BIGFlix | Mumbai | 2008 | 1 |
| Bill & Melinda Gates Foundation | Seattle | 2000 | 1 |
| BIND | Amsterdam | — | 1 |
| Bioware | Edmonton | Februari 1995 | 1 |
| Bitters End | — | 22 April 1994 | 1 |
| Biz Television | — | 2011 | 1 |
| BKP production | Praha | 11 Oktober 2000 | 1 |
| Black Lion Pictures | Sotkamo | 28 Maret 2012 | 1 |
| Black Spark Film & TV | — | — | 1 |
| Black Walk | Whitby | 1990 | 1 |
| Blackpills | — | 5 Mei 2017 | 1 |
| Blacksmith | Paris | 20 Desember 2022 | 1 |
| Blast! Films | London | — | 1 |
| Blender Institute | Amsterdam | 2007 | 1 |
| Bliss Media Ltd | Shanghai | — | 1 |
| Block 2 Distribution | Hong Kong | 1994 | 1 |
| Bloomberg L.P. | 731 Lexington Avenue | Oktober 1981 | 1 |
| Blowback Productions | Kota New York | 1988 | 1 |
| Blu Cinematografica | — | — | 1 |
| Blue eyes Fiction | Munich | — | 1 |
| Blue Omega | Annapolis | 2003 | 1 |
| Bluebox Limited | Bettendorf | 2001 | 1 |
| Blueming Pictures GmbH | Düsseldorf | 5 Desember 2024 | 1 |
| BMG Music Publishing | Kota New York | 1987 | 1 |
| BNN | Hilversum | 15 Agustus 1997 | 1 |
| Bobbs-Merrill Company | Indianapolis | 1850 | 1 |
| Bolívar Films | — | 1940 | 1 |
| Bonfire | — | — | 1 |
| Borough Film | — | — | 1 |
| Boulder Media | Dublin | 2000 | 1 |
| Boxoffice International Pictures | Los Angeles | 1950 | 1 |
| Brainfeeder | Los Angeles | 2008 | 1 |
| Brasil Paralelo | São Paulo | 9 Agustus 2016 | 1 |
| Bright Shining City Productions | Austin | 2005 | 1 |
| Brilliant Animation Studios | Taipei | 10 Juli 1978 | 1 |
| Brilliant Films | — | 14 September 2005 | 1 |
| Britania Raya | — | 6 Desember 1921 | 1 |
| British Satellite Broadcasting | Marco Polo House | 1986 | 1 |
| Broadcaster Audiovisual Services | — | — | 1 |
| Broken Swing Productions | San Diego | 2010 | 1 |
| Broken Wall Films | Worcester | — | 1 |
| Brown Bag Films | Dublin | 1994 | 1 |
| Brownstone Productions | California | 16 Oktober 2002 | 1 |
| Bruce Seven Productions | — | — | 1 |
| Brunswick Corporation | Lake Forest | 15 September 1845 | 1 |
| BRUZZ | Ixelles-Elsene | 10 Maret 2014 | 1 |
| BTeam Pictures | Madrid | 2017 | 1 |