1991 - 1994:Tribunal of Inquiry into the Beef Industry, chaired by Mr Justice Liam Hamilton, known as the "Beef Tribunal". This tribunal was set up to investigate alleged irregularities in the beef industry.
1996 - 1997: Tribunal of Inquiry into the Blood Transfusion Service Board. Known as the Finlay tribunal, it was chaired by Judge Thomas Finlay. Investigated the infection of people in the 1970s and 1980s with contaminated blood products.
1997: Tribunal of Inquiry into Payments to Politicians. It was chaired by Mr Justice Brian McCracken and set up to investigate reports of secret payments by Ben Dunne to former taoiseach Charles Haughey and former minister Michael Lowry.
1997 to 2011: Tribunal of Inquiry (Dunnes Payments) (follow-up) – the Moriarty tribunal followed on from McCracken and investigated payments to Michael Lowry and Charles Haughey. It was chaired by Mr Justice Michael Moriarty.
1997 to date:Tribunal of Inquiry into Certain Planning Matters and Payments. Originally chaired by Mr Justice Feargus Flood and known as the Flood tribunal, it is now chaired by Judge Alan Mahon with Judge Gerald Keys and Judge Mary Faherty and known as the Mahon tribunal.
1999: Tribunal of Inquiry into the Infection with HIV and Hepatitis C of Persons with Haemophilia and Related Matters. It was chaired by Judge Alison Lindsay and investigated the infection of haemophiliacs with HIV and Hepatitis C from contaminated blood products.
2002-2006: Tribunal of Inquiry into the siege and shooting of John Carthy in Abbeylara, County Longford. It was known as the Barr tribunal after its chairman, Mr Justice Robert Barr.
2002 to 2008: Tribunal of Inquiry into complaints concerning some gardaí of the Donegal Division. It was also known as the Morris tribunal after Mr Justice Frederick Morris.
2006-2009:The Murphy Report on the sexual abuse scandal in Dublin archdiocese.