Okada Kunio
Okanishi Yukio
Okawauchi Kiyotoshi
Okubo Shigeru
Okuno Kiyohito
Oldcastle Building Products Canada Inc.
Oliver David
Omiya Naoki
Ono Yoshiro
Osaka Diamond Industrial Co.
Oshima Nobumitsu
Oshita Hideo
Osterman Bror E.
Otani Ryuji
Otte Rudolf
Owens Warren J.
Pacini Ermanno
Padrinao Edgardo
Panigrahi Bhaskar Chandra
Pareti Vittorio