- Akai
- Blackout Effectors
- Blackstar
- Bogner
- Boss
- Catalinbread
- Celmo
- Death By Audio
- Dunlop
- EarthQuaker
- Ebow
- Electro Harmonix
- Ernie Ball
- EWS
- Fender
- Fulltone
- Homebrew Electronics
- Ibanez
- ISP Technologies
- JMI
- Koch
- Korg
- Mad Professor
- Malekko
- Marshall
- Maxon
- Mesa Boogie
- Morley
- MXR
- Palmer
- Proco
- Red Witch
- Rockett Audio Designs
- Roland
- Rotosound
- TC Electronic
- Tech 21
- T-Rex
- Visual Sound
- Voodoo Lab
- Vox
- Wampler
- Way Huge
- Xotic
- Zoom
- Zvex
