KEYBOARDS

AFM (American Federation of Musicians)
ICSOM (International Conference of Symphony and Opera Musicians)
American Musical Instrument Society
Keyboard Magazine
Orgelforum
Van Cliburn Competition

Manufacturers

Bechstein
Bösendorfer
Schiedmayer
Steinway & Sons
Yamaha USA & Yamaha Europa

Cases

Road Cases USA
Colorado Case Company

Resources

Baroque on Beaver (Island)
International Piano
Instrument Jokes
Piano Education Resource Guide
Sheet Music Plus: Musician Store