O'Ryan David
Obara Kunio
Oberlitner Thomas H.
Obokata Tsuneo
Ogasahara Toshihumi
Ogasawara Toshifumi
Ogata Nobuhiro
Ogiso Akio
Ohi Sankichi
Ohki Takafumi
Okano Tadashi
Okawara Kahei
Oldham Terry L.
Omilion Zygmunt Carl
Ootake Yuji
Orita Ryohji
Orlando Michael
Osaka Welding Industrial Co., Ltd.
Osako Yoshifumi
Osbon Edward E