U.S. Steel was the first billion-dollar company in the United States. Formed in 1901, the United States Steel Corporation began with an authorized capitalization of roughly $1.4 billion, an astonishing figure for the era.
The company was assembled by financier J. P. Morgan through the merger of Andrew Carnegie’s steel operations with Federal Steel and several other producers. Carnegie Steel had become one of the world’s most powerful industrial businesses, and the merger created an enormous vertically integrated corporation.
U.S. Steel controlled or connected many stages of production, including iron ore, coal, transportation, coke ovens, and steel mills. Its scale reflected the rapid industrialization of the United States and the growing importance of steel in railroads, bridges, skyscrapers, automobiles, and machinery.
The phrase “billion-dollar company” refers to capitalization or the value assigned at formation, not annual revenue or profit. That distinction explains why U.S. Steel is remembered as the first billion-dollar corporation even though later companies surpassed it in sales and market value.