Shelby Iron Company Railroad was created in 1865.
Shelby Iron Company Railroad ended in 1892.
Chapel Hill Iron Mountain Railroad was created in 1873.
Iron Steamboat Company was created in 1881.
Cambria Iron Company was created in 1852.
Woodward Iron Company was created in 1881.
Thomas Iron Company was created in 1854.
Consett Iron Company was created in 1864.
Knoxville Iron Company was created in 1868.
Oregon Iron Company was created in 1865.
Iron Grip Barbell Company was created in 1993.
Wrought Iron Bridge Company was created in 1864.
South Mountain Iron Company was created in 1865.