Ballymena

J. A. McCullough & Co - Ballymena

Smiths Engineering Works (N I) Ltd - Ballymena

M.Hasson and Sons Limited - Ballymena

Crabbe engineering - Ballymena

ASF Engineering Ltd - Ballymena

Emerson Construction - Ballymena

Warwick Engineering - Ballymena

Deerpark Engineering - Ballymena

Ags Building & Civil Engineering Ltd - Ballymena

ACE Architectural Services Ltd. - Ballymena