| A |
| Abbey Tree Services Ltd |
| Action24 |
| Adrian Sweeney Plumbing & Heating Contractors |
| All About Trees Ltd |
| All Aspect Tree Care Ltd |
| Anzco Ltd |
| Archway Products Ltd |
| Axis Construction |
| B |
| Barina New Homes |
| BCH Facility Services Ltd t/a BCH Construction |
| Belfast Contracts Ltd |
| Best View Decoration Ltd |
| Blakesdeen Ltd |
| BM Steel Fabrications Ltd |
| Boyne Waste Services Ltd |
| Breen Core Ltd |
| Brian Doyle & Sons Building Contractors Ltd t/a Doyle Construction |
| Brian Healy Electrical Ltd |
| Brian King Engineering Ltd |
| Brifin Homes Limited |
| Brooklyn Engineering Services Ltd |
| C |
| C & N Higgins Construction Ltd |
| CapCon Building Ltd |
Carty Contractors Ltd |
| Cem Environmental & Process Controls Ltd |
| CivilTec Construction Ltd |
| CJ Callan Construction Ltd |
| CK Energy Management Solutions EMS Ltd t/a ENCON |
| Clare Civil Engineering Ltd |
| CME Electrical Engineering Ltd |
| Codge Construction |
Coir Infrastructure Ltd |
| Colin Burke Electrical Ltd |
| Concrete Protection & Repair Systems Ltd |
| Conneally Group |
| Conor Mulcahy Construction Ltd |
| Coyne Group |
| Culclan Construction |
| D |
| Danny Dullea Electrical Ltd |
| Debcon Construction Ltd |
Dermot Keating Construction Limited |
| D.M Morris Ltd |
| DNCF Ltd |
| Donelon Paving Limited |
| Dorrian Construction Ltd |
| Douglas & Stewart Ltd |
Doyle & Nugent Electrical Limited t/a D & N Group |
| E |
| Eleco Services Ltd |
| EMF Controls |
| ERBA Engineering Services |
| ESK Plant Ltd |
| F |
| Flynn Crane Hire Ltd |
| FMCG 24 Hour Management Services Ltd |
| Frank McKiernan & Sons (Longford) Ltd |
| G |
| G Stone Construction Ltd |
| G & T Crampton |
| Glebe Builders Limited |
| Gleeson Steel & Engineering Ltd |
| Gleglan Teo t/a Safeway Environmental Ltd |
| Gormley Passive Ltd |
| Grasstec Ltd |
| Green Air Technologies Ltd |
| H |
| – |
| I |
| Ian Daly Environmental Services Ltd |
| IDC Contracts Ltd |
| Insulation & Environmental Services Ltd |
| IPC Digital Media Ltd |
| J |
| Jada Projects Ltd t/a Jada Construction |
| JCPS Mechanical Ltd |
| J Long Groundworks Plant Hire Ltd |
| John J McSweeney Plant Hire Limited |
| JPD Water |
| K |
| KC Civil Engineering Ltd |
| Kelly Drain Maintenance Services Ltd |
| Kendra Plant Hire & Civils Ltd |
| Kernel Construction |
| Kerry Drain Inspections Ltd t/a Kerry Drain Services |
| Kingscroft Developments Ltd |
| Kilrehill Bros |
| KMC Maintenance Ltd |
| L |
| Laois Scaffolding Hire Ltd |
| Lisagallon Construction Ltd |
| Lowflo – Water Control & Leak Detection |
| LSS Electrical Contractors Ltd |
| LyMar Contracts Ltd |
| M |
| M & M O’Brien Plant Groundworks Ltd |
| Matthew Wall & Sons Ltd |
| McGrattan & Kenny Ltd |
| McHugh Electric |
| McSharry Carpentry Services Ltd |
| McStan Construction |
| Megs Fabrication Ltd |
| Michael Bracken & Sons Ltd |
| Michael Kennedy Agri & Plant Hire Ltd |
| Midland Construction |
| M.Magic Painting and Decorating Company |
| Monbro Developments |
| MOM Services Ltd |
| Murphy Process Engineering Ltd |
| N |
| Neville Civil Works Ltd |
| Newcastle Construction Ltd |
| Newform Group Ltd |
NHC Construction LTD |
| O |
| O’Sullivan Darcy Engineering Ltd |
| P |
| P Corbett Construction Ltd |
| Pat O’Driscoll Civil Engineering Ltd |
| Path Contracts t/a Hi.Spec Construction |
| Paul Flynn Construction Ltd |
| PARL Contracts |
| Parson Building Services Ltd |
| Pembrooke Contracting Ltd |
| Pentico Contracting Ltd |
| Platt & Reilly Ltd |
| PO Keenan Ltd |
Precision Construction Ltd |
| Proficient Engineering Ltd |
Professional Tradesmen Ltd T/A PTL Construction |
| Purcell Scaffolding Cork Ltd |
| Q |
| – |
| R |
| Rathcabin Tarmacadam Ltd |
| Rathmore Mechanical Services Ltd |
| Ray Duffy Lightning Technology Ltd |
| Richard Drumgoole Construction Ltd |
| Rigney Engineering Ltd |
| Roadform Ltd |
| Robert Owens Building Contractor |
| Rochmont Developments Ltd |
| Rocwil Construction Ltd/td>
|
| S |
| SAEK Limited |
| Seakel Fire & Security |
| Sean Ahern Ltd |
| Sean Fleming Plant Hire |
| Sean Smyth Civil Engineering Ltd |
| Sean Smyth Construction Ltd |
| Shadowglade Ltd |
| Shane Egan Construction Ltd |
| Shay Power Ltd |
| Shelbourne Engineering Ltd |
| SIAC Bituminous Products Ltd |
| SMG Formwork Ltd |
| T |
| T&M Fitzgerald Ltd |
| Tallis and Company Limited |
| Tallybrooke Civil engineering Ltd |
| T.H. (Contractors) Ltd |
| Tirconaill Contracts Ltd |
| TKM Concrete Services Ltd |
| Total Splicing Solutions Limited |
| Traffic Management Installations Ltd |
| U |
| – |
| V |
| – |
| W |
| Whelan Electrical Engineering Ltd |
| X |
| – |
| Y |
| Yeats County Construction Ltd |
| Z |
| – |
