Osaka Sanso Kogyo Kabushiki-Kaisha
Osaki Hisashi
Osara Karri
Osborne Norman
Osterberg Raymond Charles
Ostrowski Arthur E.
Ostwald Carmen
Otani Eisuke
Ottersbach Walter
Otto F. Kammerer
Ouyang Jiangbo
Overacker Walter G.
Overton Joseph
Ovonic Synthetic Materials Company Inc.
Oxford Chemicals
Oxy Metal Finishing Corporation
Oyagi Yashichi
Oyama Kazuyuki
Oyama Takuji
Oyoshi Keiji