Lehigh Crane Iron Company was created in 1839.
Iron Steamboat Company was created in 1881.
Thomas Iron Company was created in 1854.
Consett Iron Company was created in 1864.
Woodward Iron Company was created in 1881.
Knoxville Iron Company was created in 1868.
Oregon Iron Company was created in 1865.
Cambria Iron Company was created in 1852.
Iron City Brewing Company was created in 1961.
Iron Ore Company of Canada was created in 1949.
Iron Grip Barbell Company was created in 1993.
Wrought Iron Bridge Company was created in 1864.
Shelby Iron Company Railroad was created in 1865.