Oquidam Bernard
Orlandi Christian
Ornstein Charles
Orszagos Koolaj Es Gazipari Troszt
Ortet Stephane
Osborn Henry H.
Ostbo John D. B.
Ostbo John D.b.
Ostbo Karl
Ostbo Karl R.a.
Oswald James Ian
Otake Katsumoto
Ottersbach Wallace L.
Ottow Nathan Wesley
Ouchi Wataru
Oudjedi Boualem
Outokumpu Copper Franklin Inc.
Ovard John C.
Oy Casparado Ab
Oy Hydrocell Ltd.