Oglesby Oliver D.
Oglesby Oliver David
Ogo Tetsunosuke
Ogorzalek Joseph F.
Ogston Alfred John
Ohlhoff Hans-Jurgen
Ohuchi Chiaki
Oi Hiroyoshi
Okada Hirotsune
Okajima Masakazu
Okuno Yoshiharu
Olander Harry
Oldewurtel Edward J.
Oldroyd Brian
Oliveira Marcelo
Oliver Products Company
Olof A. Hallstrom Jr.
Olsen Andrew Jay
Olsen Arne
Olsen Steen