1. 3Com
  2. Alcatel-Lucent
  3. CiscoGSR 12016 (80Gb/s to 5Tb/s)
  4. Ericsson
  5. Extreme Networks
  6. Fujitsu
  7. Hitachi
  8. HP
  9. IBM
  10. NEC
  11. Nortel
  12. Tellabs