Inland Steel Company was created in 1893.
Steel Company of Wales was created in 1947.
Angang Steel Company was created in 1997.
Lackawanna Steel Company was created in 1840.
Mittal Steel Company was created in 1976.
Pressed Steel Company was created in 1926.
Commonwealth Steel Company was created in 1901.
Mobarakeh Steel Company was created in 1993.
Ralston Steel Car Company was created in 1905.
Eberhart Steel Products Company was created in 1918.
Standard Steel Casting Company was created in 1883.
All-Steel Equipment Company was created in 1912.
Appleby-Frodingham Steel Company was created in 1912.