Oeschger Frank A.
Officina Meccanica Sestese S.p.a.
Offir Yigal
Ogg Graeme John
Ogihara Takeo
Ogiso Tamotsu
Ohara Kuniyasu
Ohara Masatoshi
Ohigashi Yoshiaki
Ohlsson Per
Ohno Chiaki
Ohtonen Aimo
Ojala Pertti
Okada Shingo
Okada Singo
Okubo Yoshiro
Okuhara Toyohiko
Olafsen Walther
Olanders Par
Oldham And Wilson