Oravetz Keith D.
Orbke Wayne Henry
Orr Thomas F.
Osako Kyoichi
Osanai Masatoshi
Osari Yoshihito
Osborn Mark
Oscar Lucks Company
Oseney Limited
Osgood Timothy J.
Oshino Genzi
Oshita Mizuo
Osiensky Brant R.
Osswald Norbert
Osterer Andreas
Otake Yoshiyuki
Öttl Rudolf
Ottmann Marc
Otto (GmbH & Co KG)
Ovando Keri C.