Cardiff Sound & Vision
Sandpiper Communications
5 Enterprise House, Cwmbach Industrial Estate, Aberdare, CF44 0AE 01685 870425
Trunknet Radio Communication Equipment
30 Bessemer Road, Cardiff, CF11 8BA 029 20227676
Radio Telecom Services Ltd
Unit 10d Vale Business Park, Cowbridge, CF71 7PF 01446 772220