Kuwahara Manpei
La Farga Lacambra, S.A.
Langelotz Ulla
Langley Alloys Limited
Lee Deung Y.
Lee Kun S.
Lim Yun S.
London & Scandinavian Metallurgical Co Limited
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.