| A |
| Abbey Tree Services Ltd |
| ACA Construction Ltd |
| Anzco Ltd |
| ASVS Ltd |
| Atlantic Plant Hire & Contract Crushing Ltd |
| B |
| Ballyvolane Engineering Services |
| Breezeair Airconditioning & Refrigeration Ltd |
| Brendan Sammon (Aughnasheelin) Ltd |
| Bury Construction Ltd |
| C |
| C & N Higgins Construction Ltd |
| Calnan Containers (Ireland) Ltd |
| Century Retrofit Limited |
| Circle Utility Support Services Ltd |
| CityBuild Ltd |
| Commercial and Residential Management Ltd |
| Consol Concrete Ltd |
| D |
| Darragh McArdle Engineering Ltd t/a Cavan Roofing & Engineering |
| David Flynn Ltd |
| Des Nally Developments Ltd |
| Dive and Marine Specialist Contractors |
| Dolcain Engineering Ltd |
| Donal O’Leary Electrical Ltd t/a TerraBuild |
| E |
| Empire Roofing Ltd |
| Eoghan’s Mini Mix Ltd |
| Eugene Foley Construction Limited |
| F |
| Fence-Scape Ltd |
| G |
| Gavin Redmond & Co Ltd |
| Goleen Developments Limited |
| Glounthaune Property Developments Ltd |
| GTWO Construction Ltd t/a G2 Construction |
| Green Air Technologies Ltd |
| H |
| Hanly Quarries Ltd |
| Hollybrook t/a Boderg Ltd |
| House & Garden Furnishings Ltd |
| I |
| – |
| JF Building & Civil Engineering Contractors Ltd |
| John Higgins Building Contractor Ltd |
| J Ryan Group |
| JSPM Propono Ltd t/a Lough Projects |
| K |
| K&M Lynskey Ltd |
| K&S Construction & Civils Contractors Limited |
| Kavanagh Crane Hire Ltd |
| Kilsaran Precast Ltd Ltd |
| Kwik RC Frames Ltd |
| L |
| Leamore Construction Ltd |
| Linham Ltd t/a Linham Construction (Incorporating Arkoni Ireland) |
| Lisaderg Construction Ltd |
| Logic Fire & Security |
| Lynch Brothers Northwest Plant Hire Ltd |
| M |
| M. Heffernan Engineering Ltd t/a MH Engineering |
| M&P Walls Ltd |
| Mac Interiors Ltd |
| Maguire Mechanical Ltd |
| Manning Ground Engineering |
| Masterair Services Ltd |
| McGann Construction |
| McGreevy Enterprises Ltd |
| McMenamin Building Contractors Ltd |
| Meade & Madden Ltd t/a Glentech Electrical |
| MFM Plant Hire Ltd |
| Michael Bracken & Sons Ltd |
| N |
| Nassau Engineering |
| Niall Darroch Stonework |
| O |
| O Connor Maintenance |
| O’Keeffe Civil Ltd |
| O’Sullivan Fabrications Ltd |
| P |
| P McHugh & Sons Ltd |
| Paul Flynn Construction Ltd |
| PC Quality Homes Ltd t/a PCQ Utilities Ltd |
| Phoenix Electrical (Dundalk) Ltd |
| PJ Duffy & Sons |
| PJ Quinn Ltd |
| Plazamont Ltd t/a Dan Morrissey & Co |
| Precision Catering Engineers Ltd |
| Precision Construction |
| Pure Engineering Group |
| Q |
| – |
| R |
| RH Site Maintenance Ltd |
| Richard Drumgoole Construction Ltd |
| RMD Kwikform Ltd |
| Roadcare Works Ltd |
| Roadform Ltd |
| Rockwell Construction Ltd |
| S |
| S&A Construction |
| Salus Training Services Ltd |
| Scaffolding Elevation International Ltd |
| Sean Smyth Civil Engineering Ltd |
| Sean Weir Building & Carpentry Contractors |
| SEM Construction |
| Shawport Civil & Building Contractors |
| Showglade Ltd |
| Simon Bernard Ltd |
| Smith & Donohue Ltd |
| Stox Designstyle Ltd t/a Thermalimage |
| T |
| Tallybrooke Civil Engineering Limited |
| ThermoHeat Mechanical Ltd |
| Thomas Duffy Stainless Steel Ltd |
| Tilbury Construction Ltd |
| Timahoe Construction Limited t/a Leinster Property Services |
| TKA Firestopping |
| U |
| – |
| V |
| – |
| W |
| – |
| Walsh Mechanical Engineering Ltd |
| Whelan Electrical Engineering Ltd |
| WS Maintenance & Repair |
| X |
| – |
| Y |
| – |
| Z |
| – |
