O'Leary Gerald Timothy
Oblinger Fred
Odesskoe Spetsialnoe Konstruktorskoe Bjuro Spetsialnykh Stankov
OEM Products, LC
Offutt Warren B.
Ogura Clutch
Oguro Ryuichi
Oh Jong Seok
Ohashi Takeo
Ohler Martin
Ohlson April D.
Ohtsuka Shigeharu
Oide Shigeharu
Okuda Souichiro
Olding Michael J.
Olds Rockne M.
Omuro Shojiro
Onishi Kenichi
Ono Fujio
Ormanco