Brands – T
- Tanglewood
- Teka
- TGI
- The Beatles
- The Blues
- The Cavern Club
- The Guitar Hanger
- The Realist
- The Swipe
- Theodore Presser Company
- Thomastik-Infeld Vienna
- ThumbEez
- Tidhar Musikverlag
- Tie Studio
- Timber Tones
- Timberkit
- Toca Percussion
- Toccata Music
- Tom & Will
- Tom Crown
- Tombo
- Tonag
- ToneGear
- Tourte
- Toy Company Schäfer
- Trevor James & Co
- Trombotine
- Trophy Instruments
- Tycoon Percussion
