Here's some pedal manufacturers.

320 Designs 🇯🇵
Abominable 🇺🇸
AC Noises 🇮🇹
Aclam Guitars 🇪🇸
Acorn Amplifiers 🇺🇸
Aguilar 🇺🇸
Alexander Pedals 🇺🇸
Analogman 🇺🇸
Audio Disruption Devices 🇺🇸
Bananana 🇯🇵
Beautiful Noise Effects 🇦🇺
Beetronics 🇺🇸
Big Knob Pedals 🇺🇸
Black Arts Toneworks 🇺🇸
Black Mass Electronics 🇺🇸
Blackstrap Electrik Co. 🇺🇸
Blammo Electronics 🇺🇸
Bleak District Electric 🇬🇧
Bondi Effects 🇦🇺
Boss 🇯🇵
Bowman Audio Endeavors 🇺🇸
Calico Effects 🇺🇸
Caroline Guitar Co. 🇺🇸
Catalinbread 🇺🇸
Champion Leccy 🇺🇸
Chase Bliss Audio 🇺🇸
Chellee Guitars and Effects 🇺🇸
Collision Devices🇫🇷
Crazy Tube Circuits 🇬🇷
Creepy Fingers 🇺🇸
Danelectro 🇺🇸
Dawner Prince Electronics 🇭🇷
Death By Audio 🇺🇸
Deepspace Devices 🇺🇸
Demedash Effects 🇨🇦
Diamond Pedals 🇨🇦
Digitech 🇺🇸
Dirge Electronics 🇺🇸
Dirty Haggard Audio 🇺🇸
DOD 🇺🇸
Doxasound 🇺🇸
Dr. Scientist 🇨🇦
Dreadbox 🇬🇷
Drolo FX 🇧🇪
Drunk Beaver 🇵🇱
Dunlop 🇺🇸
Dunn Efffects 🇺🇸
Earthquaker Devices 🇺🇸
Effectrode Thermionic 🇬🇧
Electro-Harmonix 🇺🇸
Electrofoods ULTD 🇺🇸
Electronic Audio Experiments 🇺🇸
Emerald Ox FX 🇺🇸
Empress Effects 🇨🇦
Eventide 🇺🇸
Ezhi & Aka 🇷🇺
Fairfield Circuitry 🇨🇦
Farm Pedals 🇺🇸
Flower Pedals 🇺🇸
Fowl Sounds 🇺🇸
FTelettronica 🇮🇹
Fuzzrocious Pedals 🇺🇸
Gamechanger Audio 🇱🇻
Gecko Pedals 🇺🇸
GFI System 🇮🇩
Glowfly (Wraa Labs) 🇬🇧
Great Eastern FX Co. 🇬🇧
Greer 🇺🇸
Henretta 🇺🇸
Hologram 🇺🇸
Hudson Electronics 🇬🇧
Hungry Robot Pedals 🇺🇸
Ibanez 🇯🇵
Idiotbox Effects 🇺🇸
Industrialectric 🇨🇦
Intensive Care Audio 🇬🇧
Jackson Audio 🇦🇺
Jam Pedals 🇬🇷
JHS Pedals 🇺🇸
Joyo Audio 🇨🇳
JPTR FX 🇩🇪
K Pedals 🇺🇸
Keeley Electronics 🇺🇸
Kernom 🇫🇷
Kinotone Audio 🇺🇸
Land Devices 🇺🇸
Lauren Audio 🇺🇸
Line 6 🇺🇸
Lurch Audio 🇨🇦
Malaise Forever 🇺🇸
Malekko Heavy Industry 🇺🇸
Mantic 🇺🇸
MAS Effects 🇺🇸
Mask Audio Electronics 🇺🇸
Mastro Valvola 🇮🇹
Matthews Effects 🇺🇸
Mattoverse Electronics 🇺🇸
Maxon 🇯🇵
Meris 🇺🇸
MI Audio 🇦🇺
Mid-Fi Electronics 🇺🇸
Mile End Effects 🇨🇦
Montréal Assembly 🇨🇦
Mooer Audio 🇨🇳
Mountainking Electronics 🇺🇸
Mr. Black Pedals 🇺🇸
MXR 🇺🇸
NativeAudio 🇺🇸
Neunaber Audio 🇺🇸
Nocturne Brain Co. 🇺🇸
Nordvang Custom 🇩🇰
Nux 🇨🇳
Old Blood Noise Endeavors 🇺🇸
Onkel Amplification 🇺🇸
PastFX 🇦🇺
Pepers Pedals 🇳🇿
Pigtronix 🇺🇸
Pinebox Customs 🇺🇸
Pladask Elektrisk 🇳🇴
Rainger FX 🇬🇧
Rare Buzz 🇺🇸
Recovery Effects 🇺🇸
Red Panda 🇺🇸
Retro Mechanical Labs 🇺🇸
Rift Amplification 🇬🇧
Saturnworks 🇺🇸
Shin's Music 🇯🇵
Sketchy Sounds 🇺🇸
Snazzy FX (Erica Synths) 🇱🇻
Snouse Electric Co. 🇺🇸
SolidGoldFX🇨🇦
Source Audio 🇺🇸
Spaceman 🇺🇸
Spruce Effects 🇺🇸
Stone Deaf Effects 🇬🇧
Strymon 🇺🇸
Surfy Industries 🇮🇹
Swamp Witch Pedals 🇺🇸
T-Rex Effects 🇩🇰
TC Electronic 🇩🇰
The Sound of Justice FX 🇺🇸
ThorpyFX 🇬🇧
Tone Charm Audio 🇵🇱
Valco FX 🇺🇸
Vntage Tone 🇲🇽
Walrus Audio 🇺🇸
Wampler 🇺🇸
Way Huge 🇺🇸
Westminster Effects 🇺🇸
Wilson 🇺🇸
Xotic 🇺🇸
Zoom 🇺🇸
Zvex Effects 🇺🇸