A1Audio
Aberrant DSP
AirMusic
Airwindows
Altar of Wisdom
AmpleSound
Analog Obsession
Applied Acoustic Systems (AAS)
Aquasmatiq
Arturia
Audiodamage
Audiority
Audiothing
Audio Plugin Union
Baby Audio
BLEASS Plugins
Boz Digital
Cableguys
Cherry Audio
Crow Hill
Cytomic
D16 Group
Dawesome
Delta Sound Labs
DeltaV Audio
Devious Machines
DiscoDSP
Eiosis (Slate Digital)
Erica Synths
Eventide (inc Newfangled Audio)
Excite Audio
ExpressiveE
Fabfilter
Fors
Full Bucket
FKFX
GForce
Glitchmachines
GS DSP
IK Multimedia
Imagiro
Inertia Sound Systems
iZotope
JMG Sound
Kilohearts
Klanghelm
Klevgrand
Kontakt
KORG
Lennar Digital
Liquidsonics
Lunacy Audio
Madrona Labs
Martinic
Melda Production
MNTRA
Modalics
Modartt
Moog
MUSIO
Nembrini Audio
Newsonicarts
Noise Engineering
Output
Overloud
Pitch Innovations
Phonolyth
Physical Audio
Plugin Alliance
Polyverse
PSPAudio
Pulsar Audio
Pulsar Modular
QuietMusic
Reaktor
Reason Studios
ReFX
Relab
RevealSound
Rhizomatic
Rob Papen
Roland
ROLI
Safari Pedals
Sinevibes
Softube
Solid State Logic (SSL)
Sonic Academy
Sonic Charge
SonicProjects
SoundBetter
Sounddevice
SoundGhost
Soundtoys
SPC
Spectrasonics
Spitfire Audio
Strange Audio
Steinberg
Strymon
Sugarbytes
Surge XT
Surreal Machines
Synapse Audio
TC Electronics
The Usual Suspects
TheWaveWarden
TOGU Audio Line (TAL)
Tone2
Toontrack
Tracktion
Tritik
Toybox Audio
UJAM
UVI
u-he
Universal Audio
Valhalla DSP
Vast Dynamics
Vengeance Sound
VitalAudio
Waldorf
Waves
Wavesequencer
Xfer Records
Xils-Lab
Zynaptiq
And it has been updated several times to add more as threads were added. Just added Crow Hill. Who else needs adding?
Any chance of getting an update to this index from mods? There have been quite a few vendors added since this list was put together
