Tri-Ak Services Tel: 01209 821269 Harpenden, Trevarth Rd, Carharrack, Redruth, Cornwall TR16 5SE      

Andrew Aerials Tel: 01209 820060 29, Sparry Lane, Carharrack, Redruth, Cornwall TR16 5SJ      

Signals Cornwall Ltd Tel: 01209 843305 24, Fore St, Redruth, Cornwall TR15 2BQ      

Channel Aerials Tel: 01209 860871 Polgear, Calvadnack, Carnmenellis, Redruth, Cornwall TR16 6PS