NAICS 331110: Vendors that win government contracts in this category are 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 (e.g., bar, plate, rod, sheet, strip, wire); (6) making steel and forming pipe and tube; and (7) manufacturing electrometallurgical ferroalloys. Ferroalloys add critical elements, such as silicon and manganese for carbon steel and chromium, vanadium, tungsten, titanium, and molybdenum for low- and high-alloy metals. Ferroalloys include iron-rich alloys and more pure forms of elements added during the steel manufacturing process that alter or improve the characteristics of the metal being made.


  • Armor Plate Made In Iron And Steel Mills
  • Axles, Rolled Or Forged, Made In Iron And Steel Mills
  • Balls, Steel, Made In Iron And Steel Mills
  • Bars, Concrete Reinforcing (rebar) Made In Steel Mills
  • Bars, Iron, Made In Iron And Steel Mills
  • Bars, Steel, Made In Iron And Steel Mills

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