Ohtuka Yasushi
Oide Ken
Oka Shigeharu
Okubo Katsuhiko
Olmsted Robert J.
Omori Takayoshi
Ong Chao-Ching
Ooyama Masachika
Oppenheimer Richard
Optech Inc.
Optectron Industries
Optimus Services AG
Optosupply Electronics (Shenzhen) Limited
Oram John A.
Orban Janos
Orellana William
Orosz Edward G.
Orr Allie E.
Ossenmacher John M.
Osteen Mitchell M.