Corning Incorporated (U.S.)
Coherent Corp (U.S.)
Fujikura Ltd. (Japan)
Furukawa Electric Co. (Japan)
Yangtze Optical Fibre and Cable (China)
Humanetics (Fibercore) (U.S.)
HENGTONG GROUP CO. LTD. (j-fiber GmbH) (China)
Molex (U.S.)
Coractive (Canada)
FiberLogix (U.S.)
Sumitomo Electric Industries
Ltd.
Sterlite Technologies Limited
Lumentum Holdings Inc.
Hexatronic Group AB
Futong Group Co. Ltd.