Si Energy ltd - Omagh

Mutual Energy - Belfast

GES Group (Ballymena) - Ballymena

Beulah Wholesale Ltd - Ballymena

Share Energy - Belfast

ENERGY TECH NI - Armagh

firmus energy networks - Antrim

3T POWER - Omagh

FuelSaver(N.I) Ltd - Craigavon

Energy Savings Northern Ireland - Belfast