- A Minister of the Government
- A local authority within the meaning of the Local Government Act 2001
- Commissioners of Public Works in Ireland
- National Roads Authority
- Health Services Executive
- A university within the meaning of the Universities Act 1997, other than Trinity College and University of Dublin
- A Technological University within the meaning of the Technological Universities Act 2018 (no 3. of 2018)
- A college within the meaning of section 2 of the Regional Technical Colleges Act 1992
- An education and training board within the meaning of the Education and Training Boards Act 2013
- Courts Service
- A harbour authority within the meaning of the Harbours Acts 1946 to 2005
- Bus Átha Cliath – Dublin Bus
- Bus Éireann – Irish Bus
- Córas Iompair Éireann
- Railway Procurement Agency
- National Transport Authority
- Digital Hub Development Agency
- Iarnród Éireann – Irish Rail
- Grangegorman Development Agency
- Any public authority standing prescribed by order under section 29 of the National Treasury Management Agency (Amendment) Act 2014
- Higher Education Authority
- Housing and Sustainable Communities Agency
- Sport Ireland
- Waterways Ireland