Obermeier Ulrich
Oce'-van der Grinten N.V.
Ochi Kiyohide
Officina Meccanica L.A.R. di Lonati Lorenzo & C. S.n.c.
Ogino Jun
Ogiso Takasi
Ogoda Makoto
Okada Tetsuya
Okamuro Toshihiko
Okitsu Tadakazu
Ono Kazunori
Optimotion, Inc.
Otto Edward M.
Ozawa Yoshio