Energia - Belfast

Helios Gas Ltd - Newtownabbey

Green Heat & Power Ltd - Annan

DRW Electrical Group Ltd - Annan

Electrical Wholesale Express Ltd - Newtownabbey

ebm gas services - Newtownabbey

Suno Solar - Ballyclare

Maxol Oil Limited and Maxol Fuelcard Services - Newtownabbey

APD Energy - Annan

Chapelcross Power Station - Annan