ProCo
- Alexander Pedals
- Analog Man
- B.A.E.
- Barefoot Buttons
- Basic Audio
- Beetronics
- BJFe
- Black Arts Toneworks
- Blackout Effectors
- Bogner
- Boss
- Build Your Own Clone
- Carl Martin
- Caroline Guitar Company
- Catalinbread
- Chase Bliss Audio
- Chicago Iron
- Cioks
- Darkglass Electronics
- Death By Audio
- Demeter Amplification
- Diamond Pedals
- DigiTech
- Disaster Area
- DOD
- Dr. Scientist
- DryBell
- Dunlop
- Dwarfcraft Devices
- EarthQuaker Devices
- Electro-Harmonix
- Emerson Custom
- EMMA Electronic
- Empress Effects
- Ernie Ball
- Eventide
- Evidence Audio
- EWS
- Fairfield Circuitry
- Free The Tone
- Friedman
- Fulltone
- Fuzzrocious Pedals
- Gamechanger Audio
- George L’s
- Glou-Glou
- Greer Amps
- Gurus
- Hermida Audio
- Hologram Electronics
- Hudson Electronics
- Ibanez
- J. Rockett Audio Designs
- JHS Pedals
- Keeley
- Klon
- KMA Audio Machines
- Korg
- KW Cases
- Lehle
- Lovepedal
- LunaStone
- Malekko
- Maxon
- Meris
- MI Audio
- Mission Engineering
- Mogami
- Mojo Hand FX
- Moog
- Mr. Black
- MXR
- Neo Instruments
- Neunaber
- Neutrik
- Okko
- Old Blood Noise Endeavors
- Origin Effects
- Pedaltrain
- Pettyjohn Electronics
- ProCo
- Red Panda
- Red Witch
- Revv
- Rupert Neve Designs
- Ruppert Musical Instruments
- SolidGoldFX
- Sonic Research
- Source Audio
- Spaceman Effects
- Stone Deaf
- Strymon
- Switchcraft
- TC Electronic
- ThorpyFX
- Two Notes
- Universal Audio
- Vemuram
- Voodoo Lab
- Walrus Audio
- Wampler
- Wren and Cuff
- Xotic Effects
- Zvex
