Moyle Andrew
MS Squared
Muller Edward A.
Munekawa Hiroshi
Murdock Grayson M.
Murli Advani
Musacus International Limited
Muse Method
Music Net Incorporated
Musig Tuning Corporation
Musikindustriell Forskning MIFO AB
Musitronic, Inc.
Mutech - Music Technologies, Inc.
Mutoh Haruo
Mutou Kanpei
Mutou Ritsuko
Mutou Seburou
MXWorks, Inc.
Myron Weiss
Nagahama Yasuo