Oishi International Syscom Co. Ltd.
Okano Mikio
Okutsu Kazuo
Oldenburg Cannon Inc.
Oldsen John G.
Oles Franciszek
Oleszkiewicz Sylwester
Oliver Angus W. A.
Oliver E. Erdman
Ono Chiyoaki
Ooshima Kenji
Orfei Louis A.
Orica Canada Inc.
Orsta Staalindustri As
Ortlepp William David
Outinord S.a.
Pacchiosi Doriano
Panozzo Matthew
Pantex - Stahl Ag.
Pastorino Arturo Benedetto Giorgio