sentences:  United Bus company, Northern Ireland's oldest bus company that dates back to the late 1800s was started in Carrickfergus and has now grown to be the third largest bus and coach company across the entirety of Ireland.Carrickfergus is covered by the East Antrim constituency, whose MP is Sammy Wilson of the DUP.The Parliamentary constituency of Carrickfergus existed from 1801 to 1885.