Oomura Masahiko
Openconnect Systems Incorporated
Opnet Technologies
Oppel, III Fred J.
Oprea Tudor
OPTIMATA
Optimata Ltd.
Original Engineering Consultants Co., Ltd.
Orofino Don
Orofino Donald Paul
Orofino, II Donald Paul
Orrick, Berrington & Sutcliffe LLP
Ortega Daniel
Ortega Julio
Ortenzi Luca
Ortiz Michael
Ortiz-Rodriguez Calos
Ortmanns Kai
Osborn Larry James
Osborne Luke