- D'Addario
- Contemporanea
- Deering Banjos
- Delgada Guitars
- Cordoba
- Delicia Accordions
- Cort
- Diamond Head Ukuleles
- Cremona
- Danelectro Guitars
- Dogal Strings
- Dream Cymbals
- D'Addario
- Earlham Woodwind
- Eden Bass Amplifiers
- Elixir Strings
- Ernie Ball Strings
- Excelsior Melodeons
- FAITH GUITARS
- Feadog Whistles
- Dino Baffetti
- Fishman Pickups
- Dream
- Dusty
- Generation Whistles