- Bewley's Hotel Group
- Dublin City Council
- Dublin County Council
- Dublin Port Company
- Dun Laoghaire - Rathdown County Council
- Electricity Supply Board
- Fingal County Council
- Iarnród Éireann
- Jones Environmental (Ireland) Ltd.
- Kildare County Council
- LUAS Light Rail Project
- Meath County Council
- MVM Rail Pty Ltd/Ballast Nedam International Joint Venture
- National Toll Roads
- South Dublin County Council
- The Department of Defence
- Westmeath County Council
- Wicklow County Council
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