Oosaki Katsuhisa
Opalanko Richard S.
Opie William R.
Oppenheim Rudolf
Oproiu Margareta
Orehoski Michael A.
Orgera Manfredi
Orinoco Iron, C.A.
Orito Kenichi
Orme-Marmerelis Melissa
Ormesher Robert J.
Orrling Carl F.
Orth Andreas
Osaka Alloying Works, Co., Ltd.
Osaka Gas Company Limited
Osborne Geoffrey Edwin
Osborne Matthew G.
Oshimura Nobumitsu
Oshiro Naoto
Osipov Yakov K.