M.H. Center Limited
Maeng Hyuk Jae
Mathai Manu
Matsumoto Kou
Matsuno Kenichi
Maxfield, Jr. David E.
McGinty Paul P. G.
McGregor, Jr. John C.
McLean Carl
McLean Lyle John
Meadville Forging Co LP
Meier Beda
Meneghin R.
Meng Wen Jin
Merkle Kenneth L.
Metalgrafica Rojek LTDA.
Metallumform Hubert Eing
Mettler Karl
Mevel Jean
Michalski Sean M