| Current, Affiliated, and Historic Institutions | Data held for the Dates | Designated Institution |
|---|---|---|
| All Hallows College (AHC) | 1989 - 2017 | Dublin City University (DCU) |
| Athlone Institute of Technology | 1998 - 2021 | Technological University of the Shannon: Midlands Midwest |
| Athlone Regional Technical College | 1970 - 1998 | Technological University of the Shannon: Midlands Midwest |
| Atlantic Technological University | Atlantic Technological University (ATU) | |
| Austin Waldron Regional Technical College | 1988 - 1992 | South East Technological University |
| Burren College of Art | National University of Ireland | |
| Carlow Regional Technical College | 1970 - 1987; 1993 - 1997 | South East Technological University |
| Carysfort College | 1975 - 1988 | Dublin City University (DCU) |
| Church of Ireland College of Education | 1970 - 2016 | Trinity College Dublin, the University of Dublin |
| Church of Ireland Theological Institute | 2009 - | Trinity College Dublin, the University of Dublin |
| Cork Institute of Technology | 1997 - 2020 | Munster Technological University (MTU) |
| Cork Regional Technical College | 1974 - 1993 | Munster Technological University (MTU) |
| Cork School of Music | 1980s - 1993 | Munster Technological University (MTU) |
| Crawford College of Art and Design | - 1993 | Munster Technological University (MTU) |
| Crawford Institute | - 1976 | Munster Technological University (MTU) |
| Donogh O'Malley Regional Technical College | 1971 - 1997 | Atlantic Technological University (ATU) |
| Dublin City University | Dublin City University (DCU) | |
| Dublin Institute of Technology | 1992 - 2019 | Technological University Dublin |
| Dublin Institute of Technology | 1976 - 1996 | Trinity College Dublin, the University of Dublin |
| Dun Laoghaire College of Art and Design & Technology | 1994 - 1997 | Dun Laoghaire Institute of Art and Design & Technology (IADT) |
| Dun Laoghaire Institute of Art and Design & Technology (IADT) | 1997 - | Dun Laoghaire Institute of Art and Design & Technology (IADT) |
| Dundalk Institute of Technology | 1998 - | Dundalk Institute of Technology (DkIT) |
| Dundalk Regional Technical College | 1970 - 1998 | Dundalk Institute of Technology (DkIT) |
| Froebel College of Education | 1970 - 2016 | Trinity College Dublin, the University of Dublin |
| Galway Regional Technical College | 1972 - 1997 | Atlantic Technological University (ATU) |
| Galway/Mayo Institute of Technology | 1997 - 2022 | Atlantic Technological University (ATU) |
| Garda College | 2014 - | University of Limerick |
| Institute of Banking | National University of Ireland | |
| Institute of Public Administration | 2004 - | National University of Ireland |
| Institute of Technology Blanchardstown | 2002 - 2019 | Technological University Dublin |
| Institute of Technology Sligo | 1997 - 2022 | Atlantic Technological University (ATU) |
| Institute of Technology Tallaght | 1994 - 2019 | Technological University Dublin |
| Institute of Technology, Carlow | 1998 - 2022 | South East Technological University |
| Institute of Technology, Tralee | 1997 - 2020 | Munster Technological University (MTU) |
| Letterkenny Institute of Technology | 1997 - 2022 | Atlantic Technological University (ATU) |
| Limerick College of Art, Commerce and Technology | 1970 - 1992 | Technological University of the Shannon: Midlands Midwest |
| Limerick Institute of Technology | 1999 - 2021 | Technological University of the Shannon: Midlands Midwest |
| Limerick Regional Technical College | 1992 - 1999 | Technological University of the Shannon: Midlands Midwest |
| Limerick Technical College | Technological University of the Shannon: Midlands Midwest | |
| LIR National Academy of Dramatic Arts | 2011 - | Trinity College Dublin, the University of Dublin |
| Marino Institute of Education | 1970 - | Trinity College Dublin, the University of Dublin |
| Mary Immaculate College | 1975 - 1994 | National University of Ireland |
| Mary Immaculate College | 1974 - 1994; 1995 - | University of Limerick |
| Mater Dei Institute (MDI) | 1966 - 1977; 1988 - 2016 | Dublin City University (DCU) |
| Maynooth University | National University of Ireland | |
| Milltown Institute of Theology and Philosophy | 2005 - 2015 | National University of Ireland |
| Munster Technological University (MTU) | Munster Technological University (MTU) | |
| National College of Art and Design | 2000 - | National University of Ireland |
| National College of Art and Design (NCAD) (pre-2000) | National College of Art and Design (NCAD) (pre-2000) | |
| National Council for Exercise and Fitness | 2011 - | University of Limerick |
| National Maritime College of Ireland | 2004 - | Munster Technological University (MTU) |
| NIHE Dublin | 1980 - 1989 | Dublin City University (DCU) |
| NIHE Limerick | 1976 - 1977 | National University of Ireland |
| NIHE Limerick | 1976 - 1977; 1978 - 1989 | University of Limerick |
| NUI Galway | National University of Ireland | |
| NUI Maynooth | National University of Ireland | |
| Our Lady of Mercy College, Carysfort | 1975 - 1988 | National University of Ireland |
| RCSI University of Medicine and Health Sciences | 1977 - | National University of Ireland |
| Regional Technical College, Cork | 1993 - 1997 | Munster Technological University (MTU) |
| Regional Technical College, Tralee | 1977 - 1997 | Munster Technological University (MTU) |
| Royal College of Surgeons in Ireland (RCSI) (pre-1977) | Royal College of Surgeons in Ireland (RCSI) (pre-1977) | |
| Royal Irish Academy of Music | 2013 - | Trinity College Dublin, the University of Dublin |
| Shannon College of Hotel Management | National University of Ireland | |
| Sligo Regional Technical College | 1970 - 1997 | Atlantic Technological University (ATU) |
| South East Technological University | South East Technological University | |
| St Angela’s College | 2022 - | Atlantic Technological University (ATU) |
| St Angela's College, Sligo | 1978 - 2022 | National University of Ireland |
| St Patrick's College of Education, Drumcondra | 1975 - 1995 | National University of Ireland |
| St Patricks College Drumcondra (SPC) | 1883 - 2016 | Dublin City University (DCU) |
| St Patricks College Maynooth | 1910 - 1997 | National University of Ireland |
| St. Patrick's College Thurles | 1973 - 2016 | University of Limerick |
| Technological University Dublin | 2019 - | Technological University Dublin |
| Technological University of the Shannon: Midlands Midwest | 2021 - | Technological University of the Shannon: Midlands Midwest |
| Thomond College of Education | 1976 - 1977; 1978 - 1991 | University of Limerick |
| Thomond College of Education, Limerick | 1976 - 1977 | National University of Ireland |
| Tipperary Institute | 1999 - 2011 | Technological University of the Shannon: Midlands Midwest |
| Tipperary Rural Business Development Institute (TRBDI) | 1999 - 2011 | Technological University of the Shannon: Midlands Midwest |
| Trinity College Dublin | 1592 - | Trinity College Dublin, the University of Dublin |
| University College Cork | National University of Ireland | |
| University College Dublin | National University of Ireland | |
| University College Galway | National University of Ireland | |
| University of Galway | National University of Ireland | |
| University of Limerick | 1989- | University of Limerick |
| Uversity | 2013 - 2017 | National University of Ireland |
| Waterford Institute of Technology | 2001 - 2022 | South East Technological University |
| Waterford Regional Technical College | 1972 - 2001 | South East Technological University |