• Aston Networks Ltd
  Redburn Road, NEWCASTLE UPON TYNE, Tyne and Wear, NE5 1NB
• BNS Telecom Group plc
  Telecom House, Princess Way, Low Prudhoe, PRUDHOE, Northumberland, NE42 6NJ
• Business Freephone Systems Ltd
  Central Business & Technology Park, Trafalgar Street, NEWCASTLE UPON TYNE, Tyne and Wear, NE1 2LA
• K T L Communications Ltd
  Dean Street, NEWCASTLE UPON TYNE, Tyne and Wear, NE1 1LE
• NTL
  63 Torcross Way, CRAMLINGTON, Northumberland, NE23 1PE
• Raycom
  41 Chesmond Drive, BLAYDON ON TYNE, Tyne and Wear, NE21 4BL
• Ringmaster Ltd
  Fenwicks Close Farm, Earsdon, WHITLEY BAY, Tyne and Wear, NE25 9TQ