Oppermann Hans Hermann
Opytnoe Proizvodsyvenno- Tekhnicheskoe Predpriyatie "Energotekhp
Or Siu Wing
Orbit Technologies, Inc.
Orcutt John
Orem James Catlin
Orii Yasumitsu
Orme-Marmarelis Melissa E.
Ormon Lloyd A.
Ornstein Jacob L.
Orth Heinz-Dietmar
Orth Norman W.
Orthodyne Electronics
Orthodyne Electronics Corporation
Ortiz Jesus A.
Osada Yakov Efimovich
Osaka Syuichi
Osaka Municipal Technical Research Institute
Osaka Sanso Kogyo Kabushiki Kaisha
Osawa Ryuji