• ADC
  • Calix
  • Kentrox
  • Redback Networks
  • Adtran
  • Ditech
  • Juniper Networks
  • Seagate
  • AFC
  • EMC
  • Lucent Technologies
  • Siemens
  • Alcatel
  • Eastern Research
  • Marconi
  • Sun Microsystems
  • Ericsson
  • Motorola/Next-Level
  • Telco Systems
  • 3Com
  • Avaya
  • Extreme Networks
  • NEC
  • Telect
  • Carrier Access
  • Foundry Networks
  • Nokia
  • Tellabs
  • Cisco
  • Fujitsu
  • Nortel Networks
  • Westell
  • Compaq
  • Hewlett Packard
  • RAD

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