Noda Sabrou
Noranda Inc.
Noranda USA, Inc.
North American Refractories Co. Inc.
Ogawa Takao
Ogawa Yasuharu
Okumura Shin
Okuzono Tuyoshi
Olivier Jacques
Omori Kouji
OraMetrix GmbH
Outokumpu Technology Oy
Pashkov Nikolai Fomich
Patel Sushil N.
Pelletier Albert
Pelz Horst
Peterson Curtis P.
Pichert Ludwig
Piwko Ralph Joseph
Pokhvisnev Anatoly Nikolaevich