American College of Musicians/National Piano Guild (www.pianoguild.com/)
American Federation of Violin and Bow Makers (www.afvbm.com/)
American Recorder Society (ourworld.compuserve.com/homepages/recorder/)
American Viola Society (www.americanviolasociety.org/)
Canadian Viola Society (www.viola.ca/)
Classical Guitar Homepage (www.guitarist.com/cg/cg.htm)
The Guitar Foundation of America (www.guitarfoundation.org/)
The Hidden World of the Viola d'Amore (www.violadamore.com/)
International Clarinet Association (www.clarinet.org/)
International Double Reed Society (idrs.colorado.edu/)
International Horn Society (www.hornsociety.org/)
International Society of Bassists (http://www.isbworldoffice.com/)
International Trombone Association (http://www.ita-web.org/)
International Trumpet Guild (www.trumpetguild.org/)
National Flute Association (www.nfaonline.org/)
North American Saxophone Alliance (www.saxalliance.org/)
Percussive Arts Society (www.pas.org/)
The Piano Page (Piano Technician's Guild) (www.ptg.org/)
Tubists Universal Brotherhood Association (International Tuba Euphonium Association) (www.iteaonline.org/)
Viola da Gamba Society of America (http://vdgsa.org/)
Viola d'Amore Society of America (viola.com/violadamore/)
The Viola Web Site (www.viola.com/)
Violin Society of America (http://www.vsa.to/)