NI Railways, also known as Northern Ireland Railways, is the railway operator in Northern Ireland. NIR is a subsidiary of Translink, whose parent company is the Northern Ireland Transport Holding Company (NITHCo), and is one of eight publicly owned train operators in the United Kingdom, the others being Direct Rail Services, Northern Trains, Transport for Wales Rail, Southeastern, LNER, ScotRail, and TransPennine Express. It has a common Board of Management with the other two companies in the group, Ulsterbus and Metro.