Publishers – J
- J. Lingen
- J. Maurer Edition Musicale
- J. Schuberth & Co.
- James Pass
- Jan Zwart Uitgeverij
- Jarmula Music
- Jasemusiikki
- Jazzwise Publications
- Jeeves Music Limited
- Jeremy Siskind
- Jetelina Musik Verlag
- Jim Dunlop
- Joachim Trekel Musikverlag
- Joel Rothman Publications
- Johannes de Heer
- John Denver Music
- John Rich Music Press
- John Savage
- John Wiley & Sons
- Joiningthedotstv
- Jolly Learning
- Joost Schellingerhout
- Jubal House Publications
- Jumbo Neue Medien & Verlag
- Just Accord Music
- Just Flutes Edition
- Just Isn’t Music
- Just Music
