http://www.riaa.com
2. The Recording Academy
http://www.grammy.org
3. NAMM
http://www.namm.com
4. BPI
http://www.co.uk
5. NARM
http://www.narm.com
6. National Music Foundation
http://www.nmc.org
7. CIRPA
http://www.cirpa.ca
8. ASCAP
http://www.ascap.com
9. Incorporated Society of Musicians
http://www.ism.org
10. American Music Conference
http://www.amc-music.com