Messenger David F.
METALPROGETTI di Santicchi Augusto & C. - S.n.c.
Midan Incorporated
Miller Jonathan R. M.
Mitchell Paul R.
Mitsubishi Petrochemical Engineering Company Ltd.
Miyazaki Sadayuki
Mohr Karl-Heinz
Mok Josef
Molecular Waste Technologies
Moller Toste W.
Moore Allen H.
Moore Wilcy I.
Morio Michel
Morris Horton H.
Moselle I. L.
Moyer, Jr. William H.
Mueller and Smith, LP
Muller Ernst-August