• Nortel Networks
  4401 Great America Pkwy
• Nex Path Corp
  3074 Kenneth St
• Telewise Communications
  3120 De La Cruz Blvd
• T & D Communications
  2982 Scott Blvd
• Supertel Calling Cards
  2490 Lafayette St
• Tyco Telecommunications
  1100 Space Park Dr
• Transwell Communications Co
  1900 Wyatt Dr
• Broadband Physics Inc
  2901 Tasman Dr # 203
• Hicotech
  2725 El Camino Real # 105
• General Telcom
  2930 Scott Blvd
• Fortune Telecommunications
  3509 Ryder St
• Electroteks
  2096 Walsh Ave
• Diamond Telecom
  671 Aldo Ave # 5
• Datek Communication
  1245 Laurelwood Rd
• China Telecom
  5201 Great America Pkwy
• Alpina Technologies Inc
  3091 Lawrence Expy
• Aeras Networks
  346 Mathew St