Thomas Iron Company was created in 1854.
Thomas Iron Company ended in 1942.
Iron Steamboat Company was created in 1881.
Consett Iron Company was created in 1864.
Woodward Iron Company was created in 1881.
Oregon Iron Company was created in 1865.
Knoxville Iron Company was created in 1868.
Cambria Iron Company was created in 1852.
Thomas Motor Company was created in 1902.
Thomas Organ Company was created in 1875.
South Mountain Iron Company was created in 1865.
Shelby Iron Company Railroad was created in 1865.
Iron Grip Barbell Company was created in 1993.