A edit

• Access Music
• Alesis
• ARP
• Arturia
• Akai

B edit

• Behringer
• Buchla and Associates

C edit

• Casio
• Clavia
• Crumar

D edit

• Dave Smith Instruments
• Dewtron
• Doepfer

E edit

• Electro-Harmonix (Micro Synthesizer)
• Electronic Dream Plant
• Electronic Music Studios (EMS)
• Elektron
• Elka
• E-mu
• Ensoniq

F edit

• Fairlight
• Farfisa
• Formanta (Polivoks)
• Future Retro

G edit

• Generalmusic
• Gleeman

K edit

• Kawai
• Korg
• Konstant Lab
• Kurzweil

M edit

• M-Audio (formerly Midiman)
• Moog Music

N edit

• Native Instruments
• New England Digital (NED)
• Novation
• Nord Stage
• Nord Electro
• Nord Lead
• Nord Piano

O edit

• Oberheim

P edit

• PAiA Electronics
• Palm Products GmbH (PPG)

Q edit

• Quasimidi

R edit

• Roland

S edit

• Sequential
• Siel
• Spectrasonics
• Studio Electronics
• Synthesizers.com

T edit

• Technics
• Teenage Engineering
• Teisco

W edit

• Waldorf Music

Y edit

• Yamaha