Maloney James F.
Mamers Heikki
Marcus Oil and Chemical
Markham Larry D.
Maroju Venkat B.
Martiny Andres
Marwah Nipun
Masamizu Kohji
Mathews G. A.
Mattila Pertti
Matzke Wolfgang
Mauer Eberhard
Mauvin Material & Chemical Processing Limited
Maxham John V.
McCollough Pamela
McCool Michael A.
Mehnert Reiner
Menschhorn Fridolin
Menz David N. J.
Meyers Liliane