Allen Engineering and Manufacturing Services Ltd., Ballyfin, Portlaoise, Co. Laois. +353 (0) 57 8755223, FPC-Execution Class 2. 

 Dundrum Steel RHD Ltd., Dundrum, Co. Tipperary. +353 (0) 62 71102, FPC-Execution Class 2. 

 Gleeson Steel & Engineering, Gortnahoe, Thurlas, Co. Tipperary. +353 (0) 56 8834110, FPC-Execution Class 2. 

 Jamestown Cladding & Profiling, Newbridge, Co. Kildare. +353 (0) 45 434288, FPC-Execution Class 4. 

 Kiernan Structural Steel Ltd, Carrigglas, Longford, Co. Longford. +353 (0) 43 3341445, FPC-Execution Class 4. 

 Leonard Engineering (Ballybay) Ltd., Saint Patrick Street, Ballybay, Co. Monaghan. +353 (0) 42 9741099, FPC-Execution Class 4.

 Leonard Engineering (Monaghan) Ltd., Monaghan, Co. Monaghan. +353 (0) 47 81092, FPC-Execution Class 4.

 Loughryan Engineering Services Ltd., Loughryan, Grange, Clonmel, Co. Tipperary. +353 (0) 52 6138145, FPC-Execution Class 2.

 Murphy Group, Newbridge, Co. Kildare. +353 (0) 45 431384, FPC-Execution Class 4.

 Nassau Engineering Ltd., Unit 4B, Canal Bank, Hume Road, Dublin 12. +353 (0) 1 6301410, FPC-Execution Class 2.

 Regan Structural Steel Ltd., Strokestown, Co. Roscommon. +353 (0) 71 9633119, FPC-Execution Class 2.

 Rigney Engineering Ltd., Lacken, Kilmihil, Kilrush, Co. Clare. +353 (0) 65 9050944, FPC-Execution Class 2.

           RS Fencing Ltd., Townspark Industrial Estate, Athboy, Co. Meath. +353 (0) 46 9430944, FPC-Execution Class 2.

 Sean Brady Construction & Engineering Ltd., Killeshandra, Co. Cavan. +353 (0) 49 4364144, FPC-Execution Class 2.

 Shevlin Engineering Ltd., Belmullet, Co. Mayo. +353 (0) 97 82285, FPC-Execution Class 2.

 W & H Steel & Roofing Systems Ltd., Castlecomer, Co. Kilkenny. +353 (0) 56 4441855, FPC-Execution Class 4.

 Steel Solutions., Derrylin Enterprise Park, Derrylin, Co. Fermanagh. +44 (0) 28 677 48499, FPC-Execution Class 4.

 Thompson Project Management Ltd., Newacre, Co. Carlow. +353 (0) 59 9131624, FPC-Execution Class 4.