 It operates through three divisions; Electro Mechanical Services that provides in-house and on-site services, High Voltage Coil manufacturing and Rail which provides AC & DC traction motor and motor alternator (MA) set repairs.Houghton International was founded in 1984 by Christine and Ron Mitten in Houghton-le-Spring, County Durham.In 1989 motor repair and coil manufacturing divisions were launched and in 2002 the company commenced rewinding AC traction motors.