• Telecommunications Inc
  5963 E Clinton Ave
• Red Wave Comm Inc
  4746 W Jennifer Ave # 104
• Protel
  4721 W Jennifer Ave
• Network Expansion Technologies
  
• Anko Com
  5757 E Clinton Ave # 115
• Control Communications
  5728 E Shields Ave
• 3 D Datacom
  2544 N Renn Ave