Nagasawa Hitoshi
Nagl Martin
Nakajima Shinobu
Nakamura Yoshikatu
Nakao Katsunori
Namakwa Sands Limited
Nasu Toshiyuki
Naterstad Tormod
National Clay Pipe Research Corporation
Naudy Rene
Nazarov Alexandr M.
Nea Technologies Inc.
Neal M. Caruthers
Neil C. Ashdown
Nekrasov Ignaty N.
Nelson Philip H.
Nemecek Petr
Nenner Johannes
Nerland Kjell Anne
Nettler Hubert