Manufacturers & brands of overdrive and boost effects

1981 Inventions
29 Pedals
3rd Power
633 Engineering
65 Amps
Abasi
Aclam Guitars
Aguilar
AKAI
Alexander
Amptweaker
AMT
AMT Electronics
AMUMU
Analog Alien
Animals Pedal
Arbiter
Arion
Artec
Atelier Z
AXL
Barber Electronics
Baroni Lab
BBE
Beetronics
BEHRINGER
Benson (amps)
Biyang
Black Volt
Blackstar
Blaxx
Bluewhale
BMF Effects
Bondi Effects
Boogie
Bootlegger
BOSS
British Pedal Company
BUDDA
Caline
Carella
Carl's Custom Amps
CARLSBRO
Caroline
Catalinbread
CeriaTone
Chase Bliss Audio
Chellee Guitars
Cicognani
CKK
Colorsound
CopperSound Pedals
Cornell
Cornerstone (effects)
Cusack Music
DALLAS
Damage Control
Dan Armstrong
Daredevil
de Lisle
Dean Markley
Death by Audio
Diaz
Diezel
Dimavery
Divided by 13
DOD
Dogman Devices
Donner
Dr. J Pedals
DryBell
DSM & Humboldt
DUESENBERG
Dunable
DV Mark
EarthQuaker Devices
EBS
Eden
Egnater
Emerson
Emma Electronic
Empress
Faber
Fairfield Circuitry
Fastback
Fender
Flynn
Fool
Fortin Amplification
Foxgear
Freedom
Fret King
Friedman
Fryer
Fryette
Fuchs
Fulltone
G-Life
Gallien-Krueger
GAMMA
Garen
Giulietti
God City Instruments
GOYA
Greer Amps
Ground FX
Gurus
Hamstead
Harden Engineering
Harley Benton
Hartke
Heather Brown Electronicals
Hotone
Hungry Robot
Ibanez
ISP Technologies
J. Rockett
Jacques
Jam Pedals
Jet City
JHS
JMI
Josh Parkin (JPG)
Keeley
Kingsley (amplifiers)
Klon
KMA Machines
Kodex Audio
Korg
Landlord FX
Lazy J
Loco
Lounsberry Pedals
Lovepedal
LunaStone
Lyman
Mad Professor
Marveltone
Matao
Matthews Effects
MESA/Boogie
Messiah
Meteoro
Might Be Famous
Milkman
Modtone
Monoprice
Moog
Moollon
Mu-Tron
Nady
NativeAudio
Neunaber
Nobels
Normandy
NUX
OKKO
Old Blood Noise Endeavors
One Control
Origin Effects
Outlaw Effects
Palmer (amps)
Pearl
Pedaltrain
Pharaoh Amplifiers
Pigtronix
Providence
Radial
Raezer's Edge
Randall
RedSeven
Rees (Clive)
Revv
Rift Amps
Rivera
rockready
Rocktek
RYRA
Satellite (Amplifiers)
Schaller
Sekova
Seymour Duncan
Sinvertek
Sioux Guitars
Snarling Dogs
Sola Sound
Soldano
SoloDallas
Source Audio
Spaceman
Stinger
Strymon
Sublime
SubZero
Suhr
Supercool Pedals
Supro
Swart
Swing
T-Rex
TC Electronic
Thorpy FX
TMG
Truetone
Tube Art
Two Notes
Valeton
ValveTrain
Vertex
Vesta Fire
Vestax
VGS
Walrus Audio
Wampler
Warm Audio
Way Huge
Whirlwind
Wren and Cuff
Xotic
Xvive
Yerasov