- Acorn
- BeatBuddy
- Beetronics
- British Pedal Company
- Catalinbread
- Chase Bliss
- Cioks
- Collision Devices
- Crazy Tube Circuits
- Daredevil Pedals
- Dawner Prince Electronics
- Diezel
- Disaster Area Designs
- Doc Music Station
- Earthquaker Devices
- Electro-Harmonix
- Empress
- Eventide
- Fairfield Circuitry
- Fjord Fuzz
- Flattley Guitar Pedals
- GFI System
- GR Bass Effects
- Greer Amps
- Ground Control Audio
- J. Rockett
- Jackson Audio
- JAM Pedals
- JHS Pedals
- Keeley Electronics
- KMA Machines
- Lee Jackson
- Lehle
- Logsdon Audio
- Mission Engineering
- One Control
- Oopegg
- Origin Effects
- Pigtronix
- Rainger FX
- Recovery
- RMC
- RYRA
- Sonic Research
- Strymon
- Suhr Effects
- Swart Effects and Attenuators
- Terry Audio
- Thorpy FX
- T-Rex Effects
- UAFX Pedals (Universal Audio)
- Vemuram
- Vertex
- VL Effects
- Vongon
- Walrus Audio
- Wren and Cuff
- Xotic Effects
- Z. Vex Effects
