Martinu Jaroslav
Marttila Mauri
Marunaka Tekkosho, Inc.
Maruska Gerald F.
Marx Daniel A.
Maschinenfabrik Esterer AG
Maschinenfabrik G. Maier KG
Maskinfabriken Waco AB
Mason Charles H.
Mason Howard C.
Mason Howard Carl
Mastley Patrick J.
Mathee Jurgen
Mathews Michael J.
Matsumoto Kihachirou
Matthews Marc R.
Matthews Steven C.
Mattson James A.
Matusewicz Robert J.
Matusewicz William P.