| B Production | Bratislava | 18 Mei 2019 | 1 |
| B's International | Higashiyama | 1990 | 1 |
| B-Reel | Stockholm | 1999 | 3 |
| B-Reel Films | — | — | 5 |
| Babel Label | Shinsenchō | 2010 | 1 |
| Babelsberg Film GmbH | Babelsberg | — | 3 |
| Baby Cow Productions | London | 1999 | 5 |
| Baby Einstein | Atlanta | 1996 | 1 |
| Bad Hat Harry Productions | Sony Pictures Studios | 1995 | 4 |
| Bad Robot Productions | Santa Monica | 1998 | 21 |
| Bad Wolf | Cardiff | 2015 | — |
| Badan Antariksa Federal Rusia | Moskow | 25 Februari 1992 | 1 |
| Baku Media Center | Baku | 2013 | 1 |
| Balaji Motion Pictures | Mumbai | 2002 | 26 |
| Balaji Telefilms | Mumbai | 1994 | 9 |
| Balboa 2 | Hvidovre | 1997 | 1 |
| Balboa Amusement Producing Company | Long Beach | 1913 | 26 |
| Balboa Productions | — | 2018 | 3 |
| BALDR Film | Amsterdam | — | 2 |
| Baldur Film | Seltjarnarnes | — | 1 |
| Bally Sports North | Minneapolis | 1986 | — |
| Bally Sports Wisconsin | Milwaukee | 2007 | — |
| Balázs Béla Stúdió | Budapest | 1959 | 2 |
| Bambú Producciones | Pozuelo de Alarcón | 2007 | 3 |
| Bandai | Taitō | 5 Juli 1950 | 7 |
| BandLab Technologies | — | — | 1 |
| Bang Bros | Miami | 2004 | 1 |
| Bang Zoom! Entertainment | Bang Zoom! Studios | 1993 | 1 |
| Bang! | — | — | 1 |
| Banger Films, Inc | Toronto | 2004 | 2 |
| Banijay Entertainment | London | 9 Juli 2026 | — |
| Banijay Finland | Pitäjänmäki industrial area | — | 6 |
| Banijay Kids & Family Distribution | — | — | — |
| Banijay Nordics | Swedia | — | 1 |
| Bankable Productions | — | — | 1 |
| Banyan Productions | Philadelphia | — | — |
| Baozou | — | 2008 | 1 |
| Baram Pictures | — | — | 1 |
| Baram Pictures Corp. | Seoul | 16 Februari 2017 | — |
| Barbara Moorse Workshop | Munich | — | 2 |
| Barefoot Films | Berlin | 2004 | 1 |
| Barentsfilm | Nordkapp Municipality | — | 3 |
| Barrandov Film Studio | Praha | 1957 | 52 |
| Barris Industries | — | 1965 | 3 |
| Barré Studio | — | 1914 | 1 |
| Barton Films | Bilbao | 1992 | 2 |
| Barunson Studio | — | — | 1 |
| Base FX | Los Angeles | 2006 | 1 |
| Basement Films | — | 2022 | 1 |
| Basic Pictures | Hong Kong | 2002 | 5 |
| 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 Cymru Wales | Broadcasting House | 1964 | 3 |
| BBC Film | Broadcasting House | 1990 | 129 |
| BBC Four | London | 2002 | 1 |
| BBC Natural History Unit | — | 1957 | 3 |
| BBC Scotland | Glasgow | 1992 | 2 |
| BBC Studios | London | April 2016 | 1 |
| BE-TV | Bogotá | 2008 | 1 |
| Bedford Falls Productions | Santa Monica | 1985 | 7 |
| Bedna Films | Praha | 13 Mei 2009 | 1 |
| Bedrock Studios | — | — | 1 |
| Bee Brain | Akasaka, Tokyo | 11 September 1990 | — |
| Bee Vine Pictures | — | 2007 | 1 |
| Behindwoods | Chennai | 2004 | 1 |
| Behindwoods.com | Chennai | 2004 | — |
| Beijing Enlight Media | Beijing | 1998 | 5 |
| Beijing Enlight Pictures | Beijing | — | 14 |
| Beijing Gehua CATV Network Co.,Ltd. | Beijing | — | 1 |
| Belarus Free Theatre | — | 30 Maret 2005 | 1 |
| Belga Productions | Braine-l'Alleud | — | 3 |
| Bell Broadcast and New Media Fund | Toronto | 1997 | 1 |
| Bell Media | Toronto | 2001 | 1 |
| Bellini Industries | — | — | 1 |
| Bellwether Pictures | Los Angeles | 2011 | 2 |
| Belsat | Warsawa | 2007 | 9 |
| Belvision | Daerah Ibu Kota Brussel | 1956 | 4 |
| Bend It Films | London | — | 1 |
| Benelux Film Distributors | Gent | 2006 | 1 |
| Benetone Hillin Entertainment | — | 2011 | 1 |
| Berliner Ensemble | Theater am Schiffbauerdamm | 1949 | 1 |
| Berolina Film | Berlin Barat | 1948 | 14 |
| Best Film | — | 7 November 2001 | 1 |
| Beta Film | Oberhaching | 1959 | 5 |
| BeTV | Evere | 2004 | 8 |
| Bez Buslou Arts | — | 2012 | 3 |
| Beşiktaş Kültür Merkezi | Istanbul | 11 November 1994 | 4 |
| BFI Production Board | — | — | 1 |
| BH Entertainment | — | — | 3 |
| Bharani Pictures | Chennai | — | 5 |
| Bhavya Creations | Jubilee Hills | 2007 | 7 |
| Bibury Animation Studio | Mitaka | Mei 2017 | 1 |
| Big Beach | Kota New York | 2004 | 14 |
| Big Soul Productions | Toronto | 1999 | — |
| Big Ticket Entertainment | Hollywood | 1994 | — |
| BigBalls Films | London | 2005 | — |
| BIGFlix | Mumbai | 2008 | 1 |
| Bill & Melinda Gates Foundation | Seattle | 2000 | 1 |
| BIND | Amsterdam | — | 1 |
| Biograph Company | Kota New York | Desember 1895 | 61 |
| Bioskop Film | Munich | — | 3 |
| Bioware | Edmonton | Februari 1995 | 1 |
| Bison Film Company | Los Angeles | 1909 | 4 |
| Bitters End | — | 22 April 1994 | 1 |
| Biz Television | — | 2011 | 1 |
| BKM Film | — | — | 4 |
| BKP production | Praha | 11 Oktober 2000 | 1 |
| Black Bear Pictures | Santa Monica | 2011 | 22 |
| Black Box Foundation | — | 1988 | — |
| Black Camel Pictures | Glasgow | — | — |
| Black Label Media | — | 2013 | 8 |
| Black Lion Pictures | Sotkamo | 28 Maret 2012 | 1 |
| Black Orange | — | November 2005 | 2 |
| Black Sheep Film Productions | — | 2010 | — |
| Black Spark Film & TV | — | — | 1 |
| Black Star | Moskow | 2006 | — |
| Black Walk | Whitby | 1990 | 1 |
| Blackfella Films | Sydney | 1992 | — |
| Blackpills | — | 5 Mei 2017 | 1 |
| Blacksmith | Paris | 20 Desember 2022 | 1 |
| Blagbuster Production | Ivry-sur-Seine | 2009 | 2 |
| Blair Entertainment | Kota New York | 1970 | — |
| Blast! Films | London | — | 1 |
| Blender Institute | Amsterdam | 2007 | 1 |
| Blim TV | — | 22 Februari 2016 | — |
| Blinding Edge Pictures | Berwyn | 1999 | 16 |
| Bliss Media Ltd | Shanghai | — | 1 |
| Block 2 Distribution | Hong Kong | 1994 | 1 |
| Bloody Disgusting | — | 2001 | 5 |
| Bloomberg L.P. | 731 Lexington Avenue | Oktober 1981 | 1 |
| Blowback Productions | Kota New York | 1988 | 1 |
| Blu Cinematografica | — | — | 1 |
| Blue Circle | Amsterdam | 2004 | — |
| Blue eyes Fiction | Munich | — | 1 |
| Blue Omega | Annapolis | 2003 | 1 |
| Bluebird Film Company | — | 1979 | 2 |
| Bluebird Photoplays Inc. | California | 1916 | 4 |
| Bluebox Limited | Bettendorf | 2001 | 1 |
| Blueeyes Productions | — | — | 4 |
| Blueming Pictures GmbH | Düsseldorf | 5 Desember 2024 | 1 |
| Blumhouse Productions | Los Angeles | 2000 | 92 |
| Blur Studio | Venice | 1995 | 3 |
| Bluverde Filmproduktion | Berlin | — | — |
| BMG Music Publishing | Kota New York | 1987 | 1 |
| BNN | Hilversum | 15 Agustus 1997 | 1 |
| BNP Paribas | Paris | 1848 | 2 |
| Bo Ho Film Company Ltd | Hong Kong | 1982 | 3 |
| BoB and Partners Co. Ltd. | Hong Kong | 1995 | 3 |
| Bob Film Sweden | Stockholm | — | 6 |
| Bobbs-Merrill Company | Indianapolis | 1850 | 1 |
| Boll KG | Bergrheinfeld | 1992 | 10 |
| Bolívar Films | — | 1940 | 1 |
| Bombay Talkies | Malad | 1934 | 7 |
| Bonfire | — | — | 1 |
| Boogaloo Films | Barcelona | 2008 | 3 |
| Boom Cymru TV | Cardiff | 1994 | 2 |
| Bophana Center | Phnom Penh | 4 Desember 2006 | 2 |
| Born Free Entertainment | Mumbai | 2011 | 2 |
| Borough Film | — | — | 1 |
| Boréal films | Barcelona | 1916 | 2 |
| Bos Bros. Film & TV Productions | Amsterdam | — | 6 |
| Boulder Media | Dublin | 2000 | 1 |
| Boulevard Films | — | — | 4 |
| Bowers Comedy Corporation | — | 1926 | — |
| Boxoffice International Pictures | Los Angeles | 1950 | 1 |
| Boyut Film | Istanbul | — | 5 |
| Brain Damage Films | Scottsdale | 2001 | 13 |
| Brainfeeder | Los Angeles | 2008 | 1 |
| Brainstorm Media | Los Angeles | 1995 | 2 |
| Brandtfilm | Kleinmachnow | 1973 | — |
| Brandywine Productions | Amerika Serikat | 1960 | 8 |
| Brann-film | — | 1953 | 2 |
| Brasil Paralelo | São Paulo | 9 Agustus 2016 | 1 |
| Bratislava Film Studios | Koliba | 1949 | 4 |
| BreakThru Films | — | — | 2 |
| Bright Shining City Productions | Austin | 2005 | 1 |
| Brilliance Communications | Kerava | 2011 | — |
| Brilliant Animation Studios | Taipei | 10 Juli 1978 | 1 |
| Brilliant Films | — | 14 September 2005 | 1 |
| Britania Raya | — | 6 Desember 1921 | 1 |
| British Actors Film Company | — | 1916 | 8 |
| British and Colonial Films | London | 1909 | 16 |
| British and Dominions Imperial Studios | — | 1929 | 18 |
| British Broadcasting Corporation | Broadcasting House, London | 1927 | 75 |
| British Instructional Films | — | 1919 | 14 |
| British Satellite Broadcasting | Marco Polo House | 1986 | 1 |
| Broad Green Pictures | Los Angeles | 2014 | 2 |
| Broadcaster Audiovisual Services | — | — | 1 |
| Broadcasters | — | 1990 | — |
| Broadcasting Authority of Ireland | — | Oktober 2009 | 4 |
| Broadway Video | GE Building | 1979 | 3 |
| Broken Lizard | — | — | 2 |
| Broken Swing Productions | San Diego | 2010 | 1 |
| Broken Wall Films | Worcester | — | 1 |
| Bronson Club | — | 2007 | 2 |
| Brookstreet Pictures | Beverly Hills | 2004 | 4 |
| 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 |
| Brutal Media | Barcelona | 2009 | 3 |
| BRUZZ | Ixelles-Elsene | 10 Maret 2014 | 1 |
| BTeam Pictures | Madrid | 2017 | 1 |
| Bubble Studios | Sankt-Peterburg | 2015 | 4 |
| BUC-FILM | Praha | 23 Mei 1994 | 1 |
| Budapest Scoring Orchestra | Budapest | — | 1 |
| BUF Compagnie | Paris | 1984 | — |
| Buffalo Gal Pictures | — | — | 7 |
| Bukalapak | Jakarta | 10 Januari 2010 | 1 |
| Bumilangit | Jakarta | 8 Desember 2003 | 1 |
| Bungeishunjū | Kioichō | 1923 | 1 |
| Burbank Animation Studios | Australia | 1982 | 2 |
| Burning Angel | Kota New York | 6 Desember 2002 | 2 |
| Burning Heart Records | Örebro | 1993 | 1 |
| BVNG Productions | — | — | 1 |
| By-pass films | Quebec | — | 1 |
| Böcek Yapım | Istanbul | — | 5 |