Primary metal industries

Aluminum Die-Castings Aluminum Extruded Products Aluminum Foundries Aluminum Rolling and Drawing, NEC Aluminum Sheet, Plate, and Foil Cold-Rolled Steel Sheet, Strip, and Bars Copper Foundries Drawing and Insulating of Nonferrous Wire Electrometallurgical Products, Except Steel Gray and Ductile Iron Foundries Malleable Iron Foundries Metal Heat Treating Nonferrous Die-Castings, Except Aluminum Nonferrous Foundries, Except Aluminum and Copper Primary Metal Products, NEC Primary Production of Aluminum Primary Smelting and Refining of Copper Primary Smelting and Refining of Nonferrous Metals, Except Copper and Aluminum Rolling, Drawing, and Extruding of Copper Rolling, Drawing, and Extruding of Nonferrous Metals, Except Copper and Aluminum Secondary Smelting and Refining of Nonferrous Metals Steel Foundries, NEC Steel Investment Foundries Steel Pipe and Tubes Steel Wiredrawing and Steel Nails and Spikes Steel Works, Blast Furnaces (Including Coke Ovens), and Rolling Mills