1. Casio Computer Co. Ltd.
2. C.F. Martin & Co. Inc.
3. D’addario & Company Inc.
4. Eastman Music Company
5. Fender Musical Instruments Corporation
6. Kawai Musical Instruments Mfg. Co. Ltd.
7. Roland Corporation
8. Steinway & Sons
9. Yamaha Corporation
10. Yanagisawa Wind Instruments Co. Ltd.