| L-Lowflo - Water Control and Leak Detection Cork, IrelandEnergy, Utilities & Waste Treatment | Wassermanagement Leckortung Wasserprüfungen | |
| GPGannon Properties Dublin, IrelandReal Estate | Construction work Real estate services Home Building New Homes Family Homes | |
| LGLisagallon Group Roscommon, IrelandEnergy, Utilities & Waste Treatment | Construction work Installation services (except software) Cable Installation Cable Recovery Fibre Optic Installation | |
| | Construction work Architectural, construction, engineering and inspection services BER Part L Compliance Reports Technical Assessments | |
| JFJohn Flanagan Developments Ltd Tullamore, IrelandReal Estate | Construction work Real estate services Real Estate Property Development Construction | |
| OGO'Flynn Group Ballincollig, IrelandReal Estate | Real estate services Architectural, construction, engineering and inspection services New Homes Property Development Construction | |
| BMBrock McClure Planning & Development Consultants Dún Laoghaire, IrelandReal Estate | Real estate services Architectural, construction, engineering and inspection services Town Planning Planning Consultancy Development Projects | |
| KHKelland Homes Dublin, IrelandReal Estate | Real estate services Architectural, construction, engineering and inspection services Property Development New Homes Residential Homes | |
| AHAlanna Homes Dublin, IrelandReal Estate | Real estate services Architectural, construction, engineering and inspection services | |
| CLCara Living Castleblayney, IrelandReal Estate | Real estate services Architectural, construction, engineering and inspection services Retirement Properties Private Apartments Retirement Villages | |