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Edgar Thomson Steel Works in the mid-1990s. The Edgar Thomson Steel Works is a steel mill in the Pittsburgh area communities of Braddock and North Braddock, Pennsylvania. It has been active since 1875. It is currently owned by U.S. Steel and is known as Mon Valley Works – Edgar Thomson Plant.
The Mon Valley Works–Irvin Plant is a steel processing plant operated by U.S. Steel and historically a "hot strip mill" (sometimes referred to as a "steel mill") in the Pittsburgh suburb of West Mifflin, Pennsylvania. The site consists of 650 acres on a hilltop 250 feet above the Monongahela Valley. [1]
Blast furnaces and iron ore at the Carnegie-Illinois Steel Corporation mills in 1941. Carnegie Steel Company was a steel-producing company primarily created by Andrew Carnegie and several close associates to manage businesses at steel mills in the Pittsburgh, Pennsylvania area in the late 19th century.
Pages in category "Ironworks and steel mills in Pennsylvania" The following 30 pages are in this category, out of 30 total. This list may not reflect recent changes .
The Jones and Laughlin Steel Corporation, also known as J&L Steel or simply as J&L, was an American steel and iron manufacturer that operated from 1852 until 1968. The enterprise began as the American Iron Company, founded in 1852 by Bernard Lauth and Benjamin Franklin Jones , about 2.5 mi (4.0 km) south of Pittsburgh along the Monongahela ...
The United States Steel Corporation is an American steel company based in Pittsburgh, Pennsylvania, with production facilities in the U.S. and Central Europe.. The company produces and sells steel products, including flat-rolled and tubular products for customers in industries across automotive, construction, consumer, electrical, industrial equipment, distribution, and energy.
Homestead Steel Works was a large steel works located on the Monongahela River at Homestead, Pennsylvania in the United States. The company developed in the nineteenth century as an extensive plant served by tributary coal and iron fields, a railway 425 miles (684 km) long, and a line of lake steamships.
Pittsburgh produced around one third of the national output of steel by the 1920s. During this period Pittsburgh was home to the world's largest tube and pipe mill, structural steel plant, rail mill, wire manufacturing plant, bridge and construction fabricating plant. [32] "Boat building and metal industries were later the economic base of the ...