Ulster Railway ended in 1876.
Ulster Railway was created in 1836.
Ulster Democratic Party ended in 2001.
Royal Ulster Constabulary ended in 2001.
Royal Ulster Rifles ended in 1968.
Ulster Protestant Action ended in 1966.
Ulster Defence Regiment ended in 1992.
Ulster Liberal Party ended in 1987.
New Ulster Movement ended in 1978.
New Ulster Province ended in 1853.
United Ulster Unionist Party ended in 1984.
British Ulster Dominion Party ended in 1982.
UVF Mid-Ulster Brigade ended in 1996.