Oil Technology Services Inc.
Okabe Masao
Okino Hitoshi
Okino Takaaki
Okubo Shigeo
Okumura Tadashi
Olak Richard
Oldweiler William E.
Oleksuk Calvin
Ollmar Jonas
Olsen Aage A.
Olsson Conny E.
Olsztyn Joseph T.
Oltmans Frank
Oltrup Theo
Omyo Shinji
Ondrus Joseph F. Jr.
Ondusko Joseph
Onuma Minoru
Oosterlinck Andre Jules Joseph