Location: Pittsburgh, Allegheny County, and Fairless Hills, Bucks County
Dates of Operation: 1901 to Present
Owners: Elbert H. Gary and J. P. Morgan
Historical Significance: When founded in 1901, United States Steel Corporation was the largest business enterprise ever launched in America. During its first year, the company made 67% of all steel produced in the country. U.S. Steel remains the largest integrated steel producer headquartered in the United States and is a leader in the global steel industry.
