GreenRock Renewables - Craigavon

J C Campbell (Electrics) - Dungannon

DBS Dungannon Ltd - Dungannon

Grenergy Ltd - Lancing

J&R Electrical - Omagh

The Appliance Centre NI - Ballyclare

JKB Consulting Engineers Ltd - Belfast

Irvine Electrical Services - Ballyclare

Dungiven - Londonderry

Grid Utilities Limited - Londonderry