Okiai Ryuichi
Okubi Ken-Ichi
Okuda Taneaki
Okuma Eiji
Okuno Masahiko
Okuno Tooru
Okura Techno-Research Kabushiki Kaisha
Olapinski Hans
Olbye Bendt
Oldcastle Inc.
Oldenziel Cor
Olding Robert J. A.
Oleske Peter J.
Olifer Vladimir P.
Oliphant Joseph L.
Olivares Hugo
Oliveira Humberto Dafico Bernardes de
Oliveira Rodolfo Dafico Bernardes de
Oliver J. Knutson
Olsen Leif