• Vorcomm Communications
  47 Dowitcher Way
• Voicenet Voice Mail Systems
  1703 5th Ave
• Resource Telecom
  136 Professional Center Pkwy
• Pac-West Telecomm Inc
  
• Northgate Telecom Group
  4340 Redwood Hwy
• Mountain Union Telecom
  851 Irwin St # 209
• Executive Business Systems
  2424 San Joaquin Ct