Matsumoto Shojiro
Matsuzaki Shin-ichi
McBride Stuart Livingstone
McDowell Charles J.
McElreath John H.
McKenna John
McKenzie Wilmeth A.
McLean Archibald Joseph
Mealey Daniel R.
Measurement R & D Corporation
Meeco, Inc.
Mehall Francis J.
Mercier Gary H.
Merlin Jacques
Merrill Marcellus S.
Mesure Controle et Automatisme Mestrole
Metric Corporation
Metric, Inc.
Mettes Jacob
Mettes Jacques