PCD Contracts Ltd - Ballymena

Sjm Engineering - Antrim

FMK Architecture Ltd - Ballymena

Neville Fee Ltd Engineering - Dromore

W.H Rea Engineering. - Antrim

Charles Brand - Belfast

Braid Mechanical & Electrical Ltd. - Ballymena

Campbell Contracts Ltd - Enniskillen

Newton Ground Engineering Ltd - Newtownards

McKee ltd - Coleraine