- 1981 Inventions
- 29 Pedals
- AC Noises
- Alexander Pedals
- Analog Man
- Asheville Music Tools
- B.A.E.
- Barefoot Buttons
- Basic Audio
- Beetronics
- Benson Amps
- BJFe
- Black Arts Toneworks
- Bondi Effects
- Boss
- Browne Amplification
- Catalinbread
- Ceriatone
- Chicago Iron
- Cioks
- Cornerstone
- Crazy Tube Circuits
- Darkglass Electronics
- Death By Audio
- Demedash Effects
- Diamond
- DigiTech
- Disaster Area
- DOD
- Dr. Scientist
- Dreadbox
- DryBell
- DSM & Humboldt
- Dunlop
- EarthQuaker Devices
- Echo Fix
- Electro-Harmonix
- Electronic Audio Experiments
- Empress Effects
- Ernie Ball
- Eventide
- Evidence Audio
- EWS
- Fairfield Circuitry
- Fjord Fuzz
- Fredric Effects
- Free The Tone
- Friedman
- Fulltone
- Fuzzrocious Pedals
- Gamechanger Audio
- George L’s
- GFI System
- Greer Amps
- Heather Brown Electronicals
- Hermida Audio
- Hudson Electronics
- Ibanez
- IK Multimedia
- Jackson Audio
- JAM Pedals
- J. Rockett Audio Designs
- JHS Pedals
- Keeley
- KMA Audio Machines
- Korg
- Lehle
- Line6
- Lovepedal
- LunaStone
- Malekko
- Maxon
- Meris
- Mission Engineering
- Moog
- Mogami
- Morley
- Morningstar
- MXR
- Neo Instruments
- Neunaber
- Neural DSP
- Neutrik
- Nobels
- Old Blood Noise Endeavors
- Origin Effects
- Pedaltrain
- Peterson
- ProCo
- Radial Engineering
- Rainger FX
- Red Panda
- Red Witch
- Reuss
- Revv
- Science Amplification
- Soldano
- SolidGoldFX
- Source Audio
- Spaceman Effects
- Stringjoy
- Strymon
- Switchcraft
- ThorpyFX
- Tone King
- Two Notes
- Universal Audio
- Vemuram
- Vongon
- Voodoo Lab
- Walrus Audio
- Wampler
- Warm Audio
- Wren and Cuff
- Xotic Effects
- Zvex
