| MTMason Technology Dublin, IrelandResearch & Technology | Installation services (except software) Scientific Equipment Laboratory Equipment Calibration Services | |
| MIMetCom Innovative Technologies Ltd. Carlow, IrelandResearch & Technology | Construction work Architectural, construction, engineering and inspection services | |
| IGIapetus Geoscience Limited Cabinteely, Dublin, IrelandResearch & Technology | Architectural, construction, engineering and inspection services Geological Data Synthesis Geological Analysis Geological Interpretation | |
| SGScantech Geoscience Mullingar, IrelandResearch & Technology | Architectural, construction, engineering and inspection services Ground Penetrating Radar GPR Surveys Utility Surveying | |
| OOndine Letterkenny, IrelandResearch & Technology | Architectural, construction, engineering and inspection services Offshore Survey Marine Survey Aerial Survey | |
| COCathx Ocean Naas, IrelandResearch & Technology | Installation services (except software) IT services: consulting, software development, Internet and support Underwater Imaging Subsea Optical Systems Fast Digital Inspection | |
| RERowan Engineering Consultants Trim, IrelandResearch & Technology | Architectural, construction, engineering and inspection services Umweltberatung Forensische Ingenieurleistungen Nachhaltigkeit | |
| CTClean Technology Centre, CIT Cork, IrelandResearch & Technology | Architectural, construction, engineering and inspection services Resource Efficiency Sustainability Waste Prevention | |
| MLMila Limited Dublin, IrelandBusiness Services | Construction structures and materials; auxiliary products to construction (except electric apparatus) | |
| TGTinnelly Group Newry, IrelandBusiness Services | Recycling Demolition Concrete Crushing | |