Now owned by the Montgomery Transport Group, Dukes Transport Limited was established in 1971, and based at their specially designed warehouse and office complex on a 10 acre site in Portadown, Northern Ireland. They also occupied depots at Stranraer, Huddersfield, Motherwell, Heysham and Crick, Northants. The company operated a large fleet of over 450 trailers, 140 tractors and a large fleet of distribution vehicles all of which carried registration numbers ending in 77.