Fort Dunlop, is the common name of the original tyre factory and main office of Dunlop Rubber in the Erdington district of Birmingham, England. It was established in 1917, and by 1954 the entire factory area employed 10,000 workers. At one time it was the world's largest factory, when it employed 3,200 workers. Fort Dunlop, the main building of the former factory area, is next to the M6 motorway, near to junction 5. It is a Grade A locally listed building.