Optical Associates
Optosupply Electronics (shenzhen) Limited
Optotek Ltd.
Optovets Vladimir T.
Opulent Electronics International Pte Ltd.
Orawetz Holger
Orban Jean
Orbital Technologies Corporation
Orchowski Neil
Orenstein Edward D.
Orke George G.
Orke Gustav G.
Orr Wallace H.
Oryontechnologies Llc
Osato Yasukuni
Osborn Harry B. (jr.)
Osborn Robert H.
Oscar Lyneaous Robertson
Osowski Denis J.
Osram Opto Semiconductors Gmbh & Co. Ohg