3M Acterna AFL Agilent
Anritsu Applied Instruments BIRD Comarco
ComSonics Corning Datacom DORC
DVP ERICSSON EXFO FIS
FiTeL Fluke Networks Fluke Fujikura
Furukawa GN Nettest Greenlee Harris
HP IDEAL JDSU Jilong
Laser Precision LeCroy LEVITON Lucent Technologies