Onishi Dai
Onkels Eckehard D.
Opc Laser Systems Llc
Opel Inc.
Opower Hans
Oprel Technologies Inc.
Opschoor Jan
Optical Communication Products Inc.
Optical Concepts Inc.
Optical Storage International - U.s.
Optigain Inc.
Optisynx Limited
Opto Power Corporation
Opto Speed Holding S.a.
Optrotech Ltd.
Orbits Lightwave Inc.
Orbotech Ltd.
Orita Masahiro
Ortsiefer Markus
Osada Hidenori