Martin Concrete Engineering Company
Martin, Jr. William W.
Masaki Ooba
Maschinenfabrik Ettlingen Friedrich Pfeiffer KG
Maschinenfabrik Lauffer & Butscher
Massarotto Loris
Masubuchi Teruo
Matsui Atsuo
Matsumoto Jirou
Matsuo Kunihiro
Matumoto Jirou
Matumoto Yoshihiko
McCarter Harry
McElhatton Michael D.
McGinley Thomas M.
Mcginley Tom
McGreavy Gerald
Mecanismos Auxiliares Industriales S.A.
Medway John G.
Megley Richard N.