Officine Franchin Di Guiliano Franchin And C. S.a.s.
Ogava Mario
Ogiwara Ryotaro
Ohira Takeshi
Ohji Seiki Kogyo Kabushiki Kaisha
Ohkawa Hiroshi
Ohman Donald M.
Ohman Roger A.
Ohta Hiroshi
Ohtomi Sadayuki
Ohtsuki Shigeru
Oildrive Pty. Ltd.
Oilquick Ab
Okada Mineo
Okamoto Ken-Ichi
Okamoto Yosiaki
Okanagan Helicopters Ltd.
Okazaki Kogyo Co. Ltd.
Olak Richard C.
Olani Angelo