Category
page 1Defunct manufacturing companies based in Pennsylvania
H. J. Heinz Company
The H. J. Heinz Company, commonly known as Heinz (), was an American food processing company headquartered at One PPG Place in Pittsburgh, Pennsylvania. The company was founded by Henry J. Heinz in 1869. Heinz manufactured food products on six continents, and marketed them in more than 200 countries and territories. The company claimed to have 150 number-one or number-two brands worldwide . Heinz ranked first in ketchup in the US with a market share in excess of 50%; the Ore-Ida label held 46% of the frozen potato sector in 2003.
Westinghouse Electric Corporation
former American manufacturing company
Rockwell International
1973-2001 aerospace manufacturer
Gulf Oil
former global oil company
Bethlehem Steel
steel producer and shipbuilder
Baldwin Locomotive Works
American manufacturer of railroad locomotives from 1825 to 1956
Keystone Aircraft
defunct American airplane manufacturer
Westinghouse Air Brake Company
former American manufacturing company
J. G. Brill Company
rolling stock manufacturer
Sun Shipbuilding & Drydock Company
former American shipbuilding company
Pittsburgh Locomotive and Car Works
manufacturing business co-founded by industrialist Andrew Carnegie in 1865