Energy Suppliers Swansea - Welcome to the directory of Swansea energy suppliers and recommended energy companies in Swansea. It features energy suppliers in Swansea and Neath, and includes maps and photos of Swansea energy companies who offer energy services. Find contact details and reviews of your nearest energy company or energy supplier in Swansea and add your own review. Do you want to advertise a energy company in Swansea? Advertise your energy services business on the Swansea Energy Suppliers Directory – IT'S FREE!