Publishers – T
- Taiga Press
- Taigh na Teud
- Tall & Small
- Tallow Tree Music Publishing
- Tani Tech
- Tara Publications
- Taylor & Francis
- Temple University Press,U.S.
- Tetractys Publishing
- Tezak edition
- TGI
- Thames
- The Brass Press
- The Nature Academy
- The Walsh Collection
- Theatrical Rights Worldwide
- Theodore Presser Company
- Third Party Orchestra
- Thomi Berg
- Thorogood
- Thorpe Music
- Tie Studio
- Tierolff Muziekcentrale
- Tilmann Dehnhard
- Tim Knight Music
- Timberkit
- Timbre Publications
- Time Square Publishing
- Tin Pan Alley Music Co
- Tiny Goat Films
- Tipbook Company
- Tonos
- Top Musik
- Tot Per l'Aire
- Transcontinental Music Publications
- Trend Media Events
- Trinity College London
- Tritone Press & Tenuto Publications
- TRO - The Richmond Organization
- True Fire
- Try Publishing
- Tumi Productions
- Turnaround Press
- Tuscany Publications
- Tutor Publications
- Twin Elm Publishing
- Tycoon Percussion
