Corning Incorporated (US)
Furukawa Electric Co. Ltd. (Japan)
General Cable Corporation (US)
Sterlite Technologies Limited (India)
Prysmian Group (Italy)
Finisar (US)
AFL Global (US)
Sumitomo Electric Industries
Ltd (Japan)
LS Cable & System (South Korea)
Leoni AG (Germany)
and Optical Cable Corporation (US)