King Street Energy - Liverpool

Solar Panel Pros - Chester

GWP Electrical - Abergele

Canning Generator Solutions - Widnes

Warmer Energy Solutions Limited - Liverpool

Circall Energy Solutions Ltd - Ellesmere Port

CAFgas CIC (community interest company) non-profit - Deeside

Bestenergybill - Buckley

Certas Energy (Formerly Cambria Oil) - Rhyl

All Electric Contractors Ltd - Holywell