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Union Iron Mills; The merging of these separate business operations into one resulted in the newly formed company owning an interest of nearly $5 million. [3] On January 1, 1873, ground work began on the Edgar Thomson Steel Works in Braddock Township. It has been estimated that the plant was built for about $1.2 million.
Calgon Carbon Corporation was founded as the Pittsburgh Coke and Chemical Corporation in Pittsburgh, Pennsylvania, which later merged with the Hillman Coal and Coke Company. Initially the company manufactured products such as coke fuel in support of the local steel industry .
The company began in 1867 as the William Butcher Steel Works. The products that founders William Butcher, Jr. (a son of the founder of W. & S. Butcher Steel Works, a scion of the Sheffield, England steel industry) and Philip Syng Justice (an American manufacturer) planned to produce were cast-steel locomotive tires (that is, in British spelling, tyres) and cast-steel forgings, with a plan to ...
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]
Koppers is an integrated global producer of carbon compounds, chemicals, and treated wood products for the aluminum, railroad, specialty chemical, utility, rubber, steel, residential lumber, and agriculture industries.
The Hillman Coal and Coke Company was a bituminous coal mining company based in Pittsburgh, PA. [1]The company was formed by John Hartwell Hillman Sr. [2] He established the Hillman Coal and Coke Company, and J. H. Hillman & Sons, which was eventually run by his three sons. [3]
Cyclops Steel marketed to industries such as aerospace, automotive, business machines, chemical processing, communications equipment, construction, electronics, farm machinery, food processing equipment, home appliances and cutlery, industrial machinery, marine equipment, medical equipment, drilling and mining equipment, military equipment, power generation equipment, rail transportation ...
J & L also had subsidiary mills in other cities such as Los Angeles in the late 1940s. Ling-Temco-Vought, Inc. of Texas offered to purchase 63 percent of J & L Steel on May 10, 1968. [ 7 ] An agreement was reached on May 14, and the purchase was completed for approximately $428.5 million ($3.75 billion today) by June 1968. [ 8 ]