Who sold the corporation that became United States Steel Corporation? Andrew Carnegie. A number of businessmen were involved in the formation of United States Steel Corporation, including Andrew Carnegie, Elbert H. Gary, and J.P. Morgan. The United States Steel Corporation was the leading U.S. producer of steel and related products. It was a conglomerate with subsidiary companies. The Carnegie Steel Company was sold in 1901 in one of the largest ever business transactions of the early 20th century, to become the major component of the United States Steel Corporation. The subsequent sale made Carnegie one of the richest men in history.
Andrew Carnegie was an industrialist who amassed a fortune in the steel industry. He entered the steel business and became a dominant force in the industry.