| B O G U S // COLLECTIVE | United States | March 14, 2016 | Production | — |
| B Zone | Japan | November 1, 1978 | — | 6 |
| B'in Music | Taiwan | July 1, 2006 | — | 2 |
| B-Gram RECORDS | Japan | February 1991 | Production | — |
| B-Gram RECORDS | Japan | February 26, 1993 | — | 1 |
| B-Unique Records | United Kingdom | January 1, 2001 | — | 1 |
| B1 Recordings | Germany | 2007 | Imprint | — |
| B2M Entertainment | South Korea | January 1, 2010 | — | — |
| Baby Records | Italy | — | Original Production | — |
| Baby Records | Italy | January 1, 1974 | — | 1 |
| Babygrande | United States | 2002 | Imprint | — |
| Bacillus Records | West Germany | January 1, 1971 | — | 1 |
| Back Lot Music | United States | January 1, 2008 | — | 5 |
| Bad Boy Records | United States | 1993 | Imprint | — |
| Bad Boy Records | United States | January 1, 1993 | — | 3 |
| Bad Taste | Iceland | January 1, 1986 | — | 2 |
| Bad Taste Records | Sweden | — | Original Production | — |
| Bad Taste Records | Sweden | January 1, 1989 | — | 63 |
| Balkanton | Bulgaria | January 1, 1952 | — | — |
| Baltic Records Group | Latvia | October 29, 2001 | — | — |
| BANA Entertainment | South Korea | January 1, 2014 | — | — |
| Banned Production | United States | July 16, 1984 | — | 1 |
| Bar/None Records | United States | January 1, 1986 | — | 1 |
| Baraonda Edizioni Musicali | Italy | January 1, 1990 | — | — |
| Baratos Afins | Brazil | January 1, 1978 | — | 3 |
| Barclay | France | 1954 | Original Production | — |
| Barclay | France | January 1, 1954 | — | 8 |
| Barely Breaking Even | United Kingdom | January 1, 1996 | — | 2 |
| Barking Pumpkin Records | United States | January 1, 1981 | — | 5 |
| Barn Records | United Kingdom | January 1, 1976 | — | — |
| Barong Family | Netherlands | May 1, 2014 | — | — |
| Barsuk Records | United States | 1994 | Original Production | — |
| Barsuk Records | United States | January 1, 1994 | — | 1 |
| BASF | Germany | — | Production | — |
| BBC | United Kingdom | October 18, 1922 | Broadcaster | — |
| BBC Legends | United Kingdom | — | Reissue Production | — |
| BBC Music Magazine | United Kingdom | August 1992 | Production | — |
| BBC Radio 4 | United Kingdom | September 30, 1967 | Broadcaster | — |
| BBE | United Kingdom | 1996 | Original Production | — |
| BBR Music Group | United States | January 1, 1999 | — | 1 |
| BCM Records | Germany | — | Original Production | — |
| Bear Family Records | Germany | 1975 | Reissue Production | — |
| Bearsville Records | United States | January 1, 1970 | — | 1 |
| Beat Butchers | Sweden | January 1, 1984 | — | 4 |
| Beat Goes On Records | — | 1987 | Reissue Production | — |
| Beat Interactive | South Korea | January 1, 2016 | — | 1 |
| Beat Records | Japan | 2002 | Reissue Production | — |
| Beat Records Company | Italy | — | Original Production | — |
| Beatservice Records | Norway | February 20, 1995 | — | — |
| BEC Recordings | United States | 1997 | Imprint | — |
| BEC Recordings | United States | January 1, 1997 | — | 2 |
| Because Music | France | 2004 | Original Production | — |
| Because Music | France | January 1, 2004 | — | 1 |
| Bedrock Records | United Kingdom | 1999 | Original Production | — |
| Befria Södern | Sweden | January 1, 1968 | — | 1 |
| Beggars Banquet | United Kingdom | 1977 | Original Production | — |
| Beggars Banquet Records | United Kingdom | January 1, 1977 | — | 4 |
| Believe | France | April 7, 2005 | — | — |
| Belift Lab | South Korea | — | — | 1 |
| Bell Records | United States | 1954 | Original Production | — |
| Bella Union | United Kingdom | 1997 | Original Production | — |
| Bella Union | United Kingdom | January 1, 1997 | — | 6 |
| Bellaphon | Germany | November 25, 1963 | Imprint | — |
| Bellwood Records | Japan | — | Imprint | — |
| Berlin Atonal Recordings | Germany | January 1, 2015 | — | 1 |
| Bertelsmann Music Group | Germany | January 1, 1983 | — | 29 |
| Beta-lactam Ring Records | United States | 2000 | Production | — |
| Bethlehem Records | United States | 1953 | Original Production | — |
| Beton Kopf Media | Germany | — | Original Production | — |
| Better Noise Music | United States | October 29, 2019 | Holding | — |
| Better Noise Music | United States | January 1, 2006 | — | 4 |
| Beverage Records | Sweden | January 1, 1995 | — | 1 |
| Bichano Records | Brazil | January 1, 2014 | — | 1 |
| Bideri | Italy | January 1, 1876 | — | — |
| Big Beat | United States | — | Original Production | — |
| Big Beat | United Kingdom | — | Original Production | — |
| Big Break Records | United Kingdom | 2010 | Reissue Production | — |
| Big Brother | United Kingdom | 2000 | Original Production | — |
| Big Brother Recordings | United Kingdom | January 1, 2000 | — | 1 |
| Big Dada | United Kingdom | — | Original Production | — |
| Big Day Records | Norway | January 25, 2016 | — | — |
| Big Finish Productions | United Kingdom | 1996 | Original Production | — |
| Big Fish Recordings | — | 2009 | Production | — |
| Big Hit Music | South Korea | July 1, 2021 | — | 2 |
| Big Life | United Kingdom | 1986 | Original Production | — |
| Big Machine Records | United States | September 1, 2005 | Production | — |
| Big Machine Records | United States | January 1, 2005 | — | 5 |
| Big Vin Records | United States | January 1, 2006 | — | 1 |
| Bigg Boss | Czech Republic | February 1, 2007 | — | 1 |
| BIGHIT MUSIC | South Korea | March 31, 2021 | Imprint | — |
| Birdnest Records | Sweden | January 1, 1980 | — | 19 |
| BIS | Sweden | 1973 | Original Production | — |
| BIS Records | Sweden | January 1, 1973 | — | 2 |
| Bit Music | Spain | — | Production | — |
| Bitbird | Netherlands | January 1, 2013 | — | 1 |
| Bizarro Records | Uruguay | January 1, 2000 | — | 2 |
| Black and Blue | France | 1968 | Original Production | — |
| Black Hole Recordings | Netherlands | 1997 | Original Production | — |
| Black Lion Records | — | 2012 | Production | — |
| Black Lodge Records | Sweden | 2002 | Original Production | — |
| Black Mark | Sweden | 1991 | Original Production | — |
| Black Mark Productions | Sweden | January 1, 1984 | — | 1 |
| Black Point | Czech Republic | January 1, 1990 | — | — |
| Black Saint | Italy | 1975 | Original Production | — |
| Black Squares Media | Canada | — | Original Production | — |
| Black Top Records | United States | January 1, 1981 | — | 1 |
| Black Widow Records | Italy | 1990 | Original Production | — |
| Black Widow Records | Italy | January 1, 1990 | — | 1 |
| Blackboard Indonesia | Indonesia | January 1, 1987 | — | 8 |
| Blackened | — | November 30, 2012 | Imprint | — |
| Blackened Recordings | United States | November 30, 2012 | — | 1 |
| Blackground Records | United States | January 1, 1993 | — | 1 |
| Blanco y Negro Music | Spain | 1978 | Original Production | — |
| Blanco y Negro Records | United Kingdom | — | Original Production | — |
| Blast First | United Kingdom | 1985 | Production | — |
| Blast First | United Kingdom | January 1, 1984 | — | 1 |
| Blind Pig Records | United States | January 1, 1973 | — | 1 |
| Blockberry Creative | South Korea | January 1, 2016 | — | 2 |
| Blood Music | — | April 2011 | Production | — |
| Bloodshot Records | — | 1994 | Original Production | — |
| Bloodshot Records | United States | January 1, 1993 | — | 1 |
| Blossom Entertainment | South Korea | March 1, 2012 | — | — |
| Blow Up | Germany | — | Original Production | — |
| Bludgeon Riffola | United Kingdom | 1987 | Original Production | — |
| Blue Diamond (production house) | Benin | January 1, 2016 | — | — |
| Blue Note | — | 1939 | Imprint | — |
| Blue Note | United States | January 1, 1939 | — | 13 |
| Blue Rose Records | Germany | 1995 | — | — |
| Blue Thumb Records | United States | January 1, 1968 | — | 2 |
| Blue Tunes Records | — | — | Original Production | — |
| Blue Élan Records | United States | 2014 | Production | — |
| Bluebird | United States | 1932 | Original Production | — |
| BMG | Germany | 1987 | Holding | — |
| BMG | Germany | October 1, 2008 | Imprint | — |
| BMG Argentina | Argentina | January 1, 1996 | — | 2 |
| BMG Classics | — | — | Production | — |
| BMG Direct Marketing, Inc. | United States | 1988 | Distributor | — |
| BMG Hong Kong | British Hong Kong | January 1, 1992 | — | 2 |
| BMG Japan | Japan | January 1997 | Manufacturer | — |
| BMG Japan | Japan | January 1, 1997 | — | 6 |
| BMG Nederland BV | Netherlands | July 27, 1994 | — | — |
| BMG Rights Management | Germany | October 1, 2008 | Publisher | — |
| BMG Rights Management | Germany | October 1, 2008 | — | 22 |
| BMSG | Japan | September 18, 2020 | — | — |
| BNA Records | United States | April 1, 1991 | — | 1 |
| BOA | Spain | 1993 | Original Production | — |
| Bomba Dischi | Italy | January 1, 2012 | — | 2 |
| Bomp! Records | United States | January 1, 1974 | — | 1 |
| Bongo Beat | Canada | January 1, 1995 | — | 1 |
| Bonnier Music | Sweden | — | Imprint | — |
| Bonsound | Canada | October 1, 2004 | Imprint | — |
| Bonzai Trance Progressive UK | United Kingdom | — | Original Production | — |
| Border Music | Sweden | January 1, 1982 | — | 2 |
| Born Bad Records | France | January 1, 2006 | — | — |
| Boss Tuneage | United Kingdom | 1990 | Original Production | — |
| Boxholder Records | United States | January 1, 1999 | — | 3 |
| BPitch Control | — | 1999 | Original Production | — |
| BR Music | Netherlands | January 1983 | Reissue Production | — |
| Brain | Germany | January 1, 1972 | — | 2 |
| Brainfeeder | United States | January 1, 2008 | — | 2 |
| Brand New Music | South Korea | January 1, 2011 | — | — |
| BrandNew Music | South Korea | 2011 | Production | — |
| Brassland Records | United States | January 1, 2001 | — | 1 |
| Brave Entertainment | South Korea | January 1, 2008 | — | — |
| Bravo Musique | Canada | January 1, 2000 | — | 1 |
| BreakingCopyright — Royalty Free Music | Spain | January 1, 2013 | — | — |
| Brennus Music | France | November 1, 1994 | — | — |
| Bridge Records | United States | January 1, 1981 | — | 1 |
| Brilliance Audio | United States | — | Imprint | — |
| Brilliant Classics | Netherlands | 1996 | Production | — |
| Brinker International | United States | January 1, 1975 | — | — |
| Broccoli | Japan | March 25, 1994 | — | — |
| Broke | — | 2023 | Distributor | — |
| Broken Bow Records | United States | July 1999 | Original Production | — |
| Broken Silence | Germany | — | Distributor | — |
| Broken Silence | Germany | January 1, 2004 | — | — |
| Bronco | United States | — | Original Production | — |
| Bronze | United Kingdom | May 1971 | Original Production | — |
| Bronze | United Kingdom | January 1, 1971 | — | 5 |
| Brownswood Recordings | United Kingdom | — | Original Production | — |
| Brunswick | United States | 1916 | Imprint | — |
| Brushfire Records | United States | January 1, 2002 | — | 1 |
| Bruton Music | United Kingdom | 1977 | Production | — |
| Bubbles | Germany | January 1, 2006 | — | 2 |
| Buckethead Records | United States | — | Original Production | — |
| Buddah Records | United States | 1967 | Production | — |
| Buddah Records | United States | January 1, 1967 | — | 1 |
| Buddha Records | United States | September 1998 | Reissue Production | — |
| Building Records | Brazil | January 1, 1976 | — | 2 |
| Bulldozer | Estonia | January 1, 2003 | — | — |
| Bureau B | Germany | 2005 | Reissue Production | — |
| Burger Records | United States | 2007 | Original Production | — |
| Burning Ambulance Music | United States | January 1, 2020 | — | 1 |
| Burning Heart Records | Sweden | 1993 | Original Production | — |
| Burning Heart Records | Sweden | January 1, 1993 | — | 98 |
| BuschFunk | Germany | 1989 | Distributor | — |
| BUSHIROAD MUSIC | Japan | August 1, 2014 | Imprint | — |
| Business casual | United States | May 2014 | Original Production | — |
| Byte Records | Belgium | 1988 | Original Production | — |
| B‐Unique Records | United Kingdom | September 2000 | Original Production | — |