Okuda Hiroshi
Okuda Ryoichi
Okumura Mitsunao
Olzinger Adolf
Omnitek Engineering Corporation
Onisawa Makoto
Onogi Nobuyoshi
Onuki Hiroshi
Oota Nobuyuki
Orbital Engine Co. ( Australia) Pty. Limited
Osuka Kazutoyo
Ottosson Lars-Olof
Ouchi Katsuhiro
Owen Gerald M.
Ozawa Yoshihito
Pacer Industries Inc.
Palara Sergio
Panagos Constantine
Papanestor Paul Alexander
Park Jin-Seo