• Cal-Consulting Ltd
  The White House, Conway Old Road, PENMAENMAWR, Gwynedd, LL34 6SW
• Catalyst Systems
  Unit 15b Colomendy Industrial Estate, Rhyl Road, DENBIGH, Clwyd, LL16 5TA
• Cobra Installations Ltd
  TLC Boatyard, Penmaen Road, CONWY, Gwynedd, LL32 8HB
• Communications Solutions Ltd
  1 Rhiw Road, COLWYN BAY, Clwyd, LL29 7TE
• Cybertronics
  Green Gates, Abergele Road, ST ASAPH, Clwyd, LL17 0LE
• Declaro Ltd
  83 Bowen Court, St Asaph Business Park, ST ASAPH, Clwyd, LL17 0JE
• Design Web
  Cwttir Lane, ST ASAPH, Clwyd, LL17 0LQ
• It Data Telecoms Ltd
  13 Llys Tywi, RHYL, Clwyd, LL18 4FD
• Mdis Internet Ltd
  Gwynt Y Mor, 9 Maes Y Llan Dwygyfylchi, PENMAENMAWR, Gwynedd, LL34 6SA
• Mutu
  Old Town Hall, HOLYWELL, Clwyd, CH8 7LH
• Raycom Surveying Ltd
  1 Lon Y Dryw, Belgrano, ABERGELE, Clwyd, LL22 9XZ
• Tyco Electronics
  Kinmel Park, Bodelwyddan, RHYL, Clwyd, LL18 5TZ
• Utility Option Ltd
  16 Wynnstay Road, COLWYN BAY, Clwyd, LL29 8NB