| A |
| A&L Electrical Ltd |
| AB Access Scaffolding Ltd |
| Abercorn Developments Ltd |
| Acol Limited |
| AML Construction Ltd |
| Ardan Scaffolding Ltd |
| Ascension lifts Ltd |
| B |
| Bandwidth Telecommunications Ltd |
| Baridek Services Ltd |
| Barry Ryan Civil Engineering Limited |
| BHA Construction Ltd |
| Biomass Engineering Ltd |
| Blockagebusters Ltd |
| Brendan Duffy Building Contractor |
| Brendan Mellett Electrical Services Ltd |
| Brian Boyle Building Contractor |
| Byrne Colours Ltd T/A Concept Colours |
| C |
| Capcon Engineering Ltd |
| Campion Pumps |
| CK Roofing & Carpentry Ltd |
| Clareco Scaffolding Ltd |
| ClearSphere Ltd & ClearSphere Eng Ltd |
| CME Electrical Engineering Ltd |
| Cody Plumbing & Heating |
| Conneally Group |
| Control Integration Design Ltd |
| Courtney Interiors |
| Cowan Heating & Plumbing Ltd |
| Cowman Civil Engineering T/A Tom Cowman Plant Hire Ltd |
| Creative Play Solutions |
| Crown Roofing Ltd |
| Cross Electrical Waterford Ltd |
| D |
| Denis O’Riordan Electrical Ltd |
| Design Acrylics and Plastering Ltd |
| Dynamica Ltd |
| E |
| E Thomas Developments Ltd |
| East Cork Crane Hire |
| Eoin Browne Electrical Ltd |
| F |
| Fenlon Precision Ltd |
| G |
| Ger Woodlock T/A Premier Paving |
| Gravity Construction Ltd |
| H |
| Hallmark Building Services Ltd |
| HD Surveys Ltd |
| Helicon Process Development Solutions Ltd |
| Holden Installation Ltd |
| Howard Building Contractors Ltd |
| I |
| Insulation & Environmental Services Ltd |
| – |
| J |
| JC Roofing & Building Services Ltd t/a Cooneys Building Contractors |
| J Ryan Group |
| James Armstrong Construction Ltd T/A Arken Construction |
| Japanese Knotweed Ireland Ltd |
| Jim Davis & Co Ltd |
| John Dempsey Ltd |
| John Donlon Plant Hire Ltd T/A Donlon Civil & Building Services |
| John Loftus Crane Hire Ltd |
| K |
| KDC Building & Civil Engineering Ltd |
| Kennedy Agri & Plant Hire Ltd |
| Kerry Drain Inspections Ltd t/a Kerry Drain Services |
| L |
| Leetherm |
| L.M.H Engineering Ltd |
| L & S Structures Ltd |
| Lightning Protection Ireland |
| Lisaderg Construction Ltd |
| Looby Plant Hire Ltd |
| M |
| M&B Construction Ltd |
| M&P Walls Ltd |
| Maguire Scaffolding Ltd |
| Mannion Build |
| Mathieu & Mitchell Ltd |
| McCabe Masonry Ltd |
| McCallion Group |
| McGann Construction |
| McSharry Carpentry Services Ltd |
| Meanys Decorators Ltd |
| Metrik Designs Ltd |
| MGW Energy Services Ltd |
| Michael Murphy Building Services |
| Midland Heating & Plumbing Ltd |
| Mitchell Macadam Ltd |
| MJS Civil Engineering |
| MVSL |
| N |
| NAEA Ltd T/A CTS Technologies |
| Nela Build Limited |
| Niall Gaffney Heating & Plumbing Ltd |
| O |
| OCS (Power Division) Ltd |
| Ormonde Construction Ltd |
| P |
| P Hennessy Building Contractors Ltd |
| PJ Duffy and Sons Ltd |
| P J Piling Contracts Ltd |
| P.J. Quinn Ltd |
| P McHugh & Sons Limited |
| Peak Construction Ltd |
| Phoenix Civil Engineering Ltd |
| Precision Kilma Services |
| Q |
| – |
| R |
| RBR Construction Ltd |
| Resolution Mode Ltd T/A Moloney Contracts |
| Rigney Engineering Ltd |
| RJ O’Brien Building Contractors Ltd |
| RMIS |
| Robert Owens Building Contractor |
| S |
| S&A Construction Ltd |
| S.A.F. Building & Civil Engineering Ltd |
| Sandar Properties Ltd |
| SBE Services Ltd |
| Sean Smyth Construction Ltd |
| Sean Weir Building & Carpentry Contractor |
| Shawport Ltd |
| Smith Groundworks & Civil Engineering Ltd |
| Stelga Construction Ltd |
| Stewart |
| T |
| T&A Civil Engineering & Building Contractors |
| Titan Consultancy Ltd |
| TJF Construction Ltd |
| Tony Dempsey Construction Ltd |
| Tony Vines Painting Contractors Ltd |
| U |
| Unique Fitout |
| USSR Ltd |
| V |
| VPM Contracts Ltd |
| W |
| W K O’Connor & Sons Ltd |
| William Farrell Ltd |
| X |
| – |
| Y |
| Yeats County Construction Ltd |
| Z |
| Zeus Special Testing Services Ltd |
