- A+D Wejchert & Partners
- Abbott & Partners
- ABK Architects
- Aegis Dafety Management
- Anthony Reddy Associates
- ARUP Consulting Engineers
- Austin Reddy & Company
- Axis Engineering
- Barrett Mahony Engineers
- Blackwood Associates
- Brazil Lohan Architects
- Brendan Merry & Partners
- Brian Hogan Architects
- Brian O'Connell & Associates
- Bruce Shaw
- Bruce Shaw O'Sullivan
- Building Design Partnership
- Carrig Conservation Consultants
- Carew & Associates
- Carron & Walsh
- Christopher Southgate & Associates
- C.J. Falconer & Associates
- Clifton Scannel Emerson Associates
- Coady Partnership
- Crean Salley Architects
- Cyril Sweett
- David Kelly Partnership
- David McLoughlin & Associates
- Davis Langdon
- DDBFL
- Deaton Lysaght
- Delap & Waller
- DL Martin & Partners
- Douglas Wallace
- DPM Consulting Engineers
- Duffy Gaffney & Partners
- EC Harris
- Engineering Design Consultants
- ESB International
- Ethos Engineering Ltd
- Eugene Beglan & Associates
- Feasible
- Fewer Harrington & Partners
- Fitzgerald Kavanagh & Partners
- FM Stewart
- Gerry Cahill Architects
- Grafton Architects
- Green Inside
- H.G.L. O'Connor
- Hamilton Young
- Healy Kelly Turner Townsend
- Heavey Kenny Associates
- Hendrick Ryan & Assoc.
- Heneghan Peng
- Henley Kavanagh McGowan
- Homan O'Brien Associates
- Horgan Lynch
- Interactive Project Management
- J.V. Tierney & Co.
- Jacobs Engineering
- JCP Partnership
- Jerry Geaney Engineering
- JJ Casey & Co.
- John Casey & Company
- John Cuddy & Partners
- John Fleming Architects
- JSA Architects
- Kavanagh Mansfield & Partners
- Kavanagh Ryan & Associates
- Keith Williams Architects
- Kennedy Fitzgerald Architects
- Kevin Brady Architects
- KMCS
- KSN
- Kyne & Clyne
- Lawlor Burns & Partners
- Leonard & Williams
- M.J. Turley & Associates
- Mahony Architecture
- Malachy Walsh & Partners
- Malone Engineering
- Malone O'Regan
- Martin Architects
- Mary Laheen Architects
- Matt O'Mahoney & Associates
- McArdle McSweeney Associates
- McCarthy O'Hora Associates
- McCaul & Associates
- McCullough Mulvin
- McElroy Associates
- McMinn O'Reilly Mahon
- Michael Punch & Partners
- MOLA
- Moloney O'Beirne Architects
- Molony & Millar
- Mulcahy McDonagh & Partners
- National Building Agency
- Newenham Mulligan Associates
- Niall J. Kearns & Co.
- Nicholas O'Dwyer Engineers
- Noel Lawlor & Partners
- Nolan Ryan Tweeds
- OCA Architects
- O'Connell Mahon Architects
- O'Connor Pick Everard
- O'Connor Sutton Cronin
- O'Donnell & Tuomey Architects
- OKM Architects
- OLM Consultancy
- O'Mahony Pike Architects
- OPW Architectural Services
- O'Reilly Hyland Tierney
- O'Riain & Associates
- ORS Consulting Engineers
- P.H.McCarthy & Partners
- Padraig Canney & Associates
- Pat Molloy QS
- Patrick A. Butler & Partners
- Patrick Weafer Architects
- Paul Arnold Architects
- Paul Byrne Architects
- Paul Dillon Architects
- Peter F. Costello & Partners
- Punch Consulting Engineers
- R.M. Breen & Associates
- Reddy Architecture
- RN Murphy & Company
- Roddy Mannion & Associates
- Rogerson Reddan Associates
- Roghan & O'Donovan
- Ryan Hanley Consulting Engineers
- S&P Ireland Ltd.
- Scott Tallon Walker
- Seamus Fagan & Associates
- Sean Harrington Architects
- Semple McKillop
- Simon J. Kelly & Partners
- Smith & Kennedy Architects
- Steve Cunningham Associates
- T.J. O'Connor & Associates
- Taylor Architects
- Thomas D'Arcy & Company
- Thomas Garland & Partners
- Thorne Sarsfield
- Tobin Consulting Engineers
- Tony Hickey Architects
- Varming
- W. Kenneth Hunt & Associates
- Waterman Moylan Engineers