American Shipbuilding ranked 81st among United States corporations in the value of World War II military production contracts.
[2] The Lorain, Ohio Yard served as the main facility of the company after World War II and to this day five of the 13 separate 1,000 ft (300 m) ore carriers on the Great Lakes were built in Lorain, including the M/V Paul R. Tregurtha which is the largest vessel on the Great Lakes (1,013'06" long).
The facilities eventually included two dry docks over 1,000 feet (300 m) long built to handle the largest of the Great Lakes ore carriers.
The United States Maritime Commission had Delta and eight other emergency shipyards start building Liberty ships in 1941, 2,710 were produced during the war.
Frustrated after years of fighting with unions over cost-saving work changes, the Steinbrenners closed the Lorain shipyard in December 1983 and moved all operations to Tampa, Florida.