Zing Energy - Cardiff

Linc Group - Penarth

Quantum ES Gas Engines - Dowlais, Merthyr Tydfil

GAS LINK GROUP - Pontyclun

Wyeverne Electrical Wholesale Ltd - Cardiff

1 Vision Solar - Bridgend

Energen Services - Port Talbot

Steve James - Utility Warehouse - Porth

Eco Power Club - Swansea

Dan Rob Electrical Services LTD - Ebbw Vale