NAICS Code: 331110 Iron and Steel Mills and Ferroalloy ...
331110 Iron and Steel Mills and Ferroalloy Manufacturing . This industry comprises establishments primarily engaged in one or more of the following: (1) direct reduction of iron ore; (2) manufacturing pig iron in molten or solid form; (3) converting pig iron into steel; (4) making steel; (5) making steel and manufacturing shapes (, bar, plate, rod, sheet, strip, wire); (6) making steel ...