Magnolia Metal Corporation
Maruyama Miho
Masuo Asakawa
Matidori Seika
Matsuo Shintaro
Matsuyama Hidenobu
McDevitt David D.
McDonald Allen S.
Michinosuke Demizu
Midwest Thermal Spray Inc.
Mitsubishi Electric Metecs Co., Ltd.
Mitsubishi Sindoh Co., Ltd.
Mitsuhiro Harima
Mitsuhiro Okumura
Mitsui Mining and Smelting Company, Ltd.
Miyafuji Motohisa
Miyashita Hirohito
Murakawa Kiyoshi