Orsello Gianmichele
Osaka Titanium Company Limited
Osaka Titanium Technologies Co. Ltd.
Osborn Steve
Osmanova Susanna Resuljevna
Ost Christian
Ostapenko Tatyana D.
Outokumpu Oy Outokumpu
Outokumpu Wenmec Ab
Outokumpu Wenmec Oy
Ovstetun Frank
Ovsyannikov Vladimir I.
Owsley Micheal D.