Alfred Publishing
Apple Computers
Berklee Press
Cakewalk
Carl Fischer
Casio
Clavia
Coda
Electronic Musician Magazine
E-Magic
Generalmusic
Hal Leonard
Keyboard Magazine
Korg
Kurzweil
Lowrey
Mark of the Unicorn
Music for All
Roland
Sibelius
Yamaha
Related organizations and other links:
American Music Conference (AMC)
MIDI Manufacturers Association (MMA)
Music & Entertainment Industry Educators Association (MEIEA)
National Assocation of Music Merchants (NAMM)
