Notable synthesizer manufacturers past and present include:
A Access Music Alesis ARP Arturia Akai
B Behringer Buchla U.S.A.
C Casio Clavia Crumar
D Dave Smith Instruments Dewtron Doepfer
E Electro-Harmonix (Micro Synthesizer) Electronic Dream Plant Electronic Music Studios (EMS) Elektron Elka E-mu Ensoniq
F Fairlight Farfisa Fatar (Studiologic)
G Generalmusic Gleeman
K Kawai Korg Kurzweil
M M-Audio (formerly Midiman) Moog Music
N Native Instruments New England Digital (NED) Novation Nord
O Oberheim
P PAiA Electronics Palm Products GmbH (PPG)
Q Quasimidi
R Roland
S Sequential Siel Spectrasonics Studio Electronics Synthesizers.com
T Technics Teenage Engineering Teisco Therevox
W Waldorf Music
Y Yamaha
Modulars
Doepfer Musikelektronik (A-100) Synthesizers.com