Oregon Iron Works was created in 1944.
Oregon Nursery Company was created in 1867.
Oregon Cracker Company Building was created in 1897.
Oregon Commercial Company Building was created in 1890.
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.
Iron Grip Barbell Company was created in 1993.
Wrought Iron Bridge Company was created in 1864.