McGregor Ronald Keith
McIntosh Arthur Edward
McKillion Liam
McMahon Frank
Mees Filip
Meese Richard G.
Menshikov Jury Alexeevich
Menzel Paul B.
Metso Lindemann
Metso Minerals Inc.
Meyer Hans Jurgen
Meyer James R.
Middour Paul H.
Mikropul Corporation
Miller Courtney J.
Miller Wire Works, Inc.
Mineral Recovery Corporation
Minne Christian M. J. C. M.
Mitsuboshi Belting Limited
Mock Walton L.