Obata Masatosi
Ocean And Overseas Shipping Company Limited
Ochiai Kokichi
Ogino Mineo
Ohira Shigeyuki
Okada Kazunori
Oliph M. Knight
Olsson Johan
Omachi Yoshio
Omuro Yoshiya
Oppama Kogyo Kabushiki Kaisha
Optimizer Control Corporation
Orbital Engine Company (asutralia) Pty. Limited
Orova Josef
Ortiz Jose M.
Osawa Hiroyuki
Owens David Norman