Publishers – B
- B.O.A.
- Bach Revealed
- Backbeat Books
- Baker Book House Co , U.S.
- Balquhidder Music
- Balvi Gifts
- Band Press
- Banks Music Publications
- Barbershop Harmony Society
- Bardic Edition
- Bärenreiter
- Barnhouse Company
- Barry Editorial S.R.L.
- Bartholomew Music Publications
- Bas en Viola productions
- BassBooks.com
- Bassline Publishing
- Baton Music
- Batterie Music
- Bayley & Ferguson
- BBC Publications
- BBm
- Beartramka
- Belwin-Mills
- Berben S.R.L.
- Beriato Music
- Berklee Press
- Bernaerts Music
- Bert Noteboom
- BiblioLife
- Bichsel
- Bijleveld Uitgeverij
- Bill's Music Shelf
- Billaudot
- Bish Bash Books
- Blackfeather Studio
- BlitzBooks
- Bloom School Of Jazz Publishing
- Blue Dolphin Publishing
- Blue Key Productions
- Blue Music Publishing
- Boccaccini & Spada
- Boeijenga Muziekhandel
- Boelke Bomart
- Böhm & Sohn
- Bohne & Schulz Musikverlage
- Boileau Music (Editorial de Música Boileau)
- Bolchazy-Carducci Publishers
- Bonell-Young
- Bonnier Books
- Bookbaby
- Bookmakers International
- Boombox Holland
- Boomwhackers
- Boosey & Hawkes
- Boston Music
- Boston Press
- Bosworth
- Bosworth Viennese Music
- Bote & Bock
- Bourne Co. Music Publishers
- Boydell & Brewer
- Brass Wind Publications
- Brassimum Edition
- Bravo Music
- Braydeston Press
- Breitkopf & Härtel
- BriLee Music
- Brilliant Publications
- Broadbent & Dunn
- Broekmans van Poppel
- Bronsheim Music
- Brookfield Press
- Broude Brothers
- Brown Dog Books
- Bruche Recordings
- Bucks limited
- Bund Verlag
- Buongiovanni
- Butz Musikverlag
- BVT Music
