Odawara Engineering KK
Odera Koji
Oe Yoshikazu
Oehmsen Erich
Oehmsen Karl H.
Oehmsen Plastic Greenhouse Mfg. Inc.
Offenbacher Larry A.
Officine Meccanishe Pavesi & C. S.p.A.
Offringa Oege R.
Ogawa Masazumi
Ogawa Shingo
Ogawa Yukihiko
Ogden Engineering Corporation
Ogle Daniel James
Oh Chang-yun
Oh Young Hak
Ohannesian Michael J.
Ohata Takumi
Ohba Osamu
Ohgashi Shinichi