O & K Orenstein & Koppel Aktiengesellschaft
O'Brien David Michael
O'Callaghan Nicholas
O'Connor John W.
O'Dell Jered
O'Neal Ronald L.
O'Neall Donald L.
O'Toole Frank K.
Obe Mituhiko
Obenland Dan J.
Oberlander Jack
Oberle Edmond M.
Ochi Tomofumi
Ochitwa Cory W.
Ocsenknecht Daniel
Oellers Hans G.
Oelschlaeger George Frederick
Ognedal Einar
Oguri Tomiji
Ohama Shigeharu