Omofoma Matt A.
Omote Yuichi
Onarheim Einar
Onitsuka Hatsuki
Onoda Mamoru
Onosov Dmitriy Valentinovich
Onuchkina Nina I.
Ootsuka Ryotatsu
Ooyama Isao
Opalanko Richard S.
Opratko Vaclav
Oralov Turabai A.
Oran L. Culberson
Orazalina Kasken N.
Orazalina Kazken N.
Orban Ferenc
Orbite Aluminae Inc.
Ore Pro Pty Ltd
Oretek Limited
Orito Kenichi