Petrochemical Manufacturing, Alumina Refining, Machine Shops, Air Purification Equipment Manufacturing, Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use

Copper Rolling, Drawing, and Extruding

Iron and Steel Mills

Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)

Aluminum Sheet, Plate, and Foil Manufacturing, Metal Stamping, Plate Work Manufacturing, Machine Shops, Precision Turned Product Manufacturing

All Other Specialty Trade Contractors, Wood Preservation, Iron and Steel Mills, Steel Wire Drawing, Ornamental and Architectural Metal Work Manufacturing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Fabricated Structural Metal Manufacturing, Ornamental and Architectural Metal Work Manufacturing

Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Nonferrous (except Aluminum) Die-Casting Foundries, Other Nonferrous Foundries (except Die-Casting)

Unlaminated Plastics Profile Shape Manufacturing, All Other Plastics Product Manufacturing, Rubber Product Manufacturing for Mechanical Use

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Industrial Mold Manufacturing

Aluminum Sheet, Plate, and Foil Manufacturing, Plate Work Manufacturing, Machine Shops, Fabricated Pipe and Pipe Fitting Manufacturing, Machine Tool (Metal Forming Types) Manufacturing

Rolled Steel Shape Manufacturing, Iron and Steel Forging, Nonferrous Forging, Metal Stamping, Hand and Edge Tool Manufacturing

Rolled Steel Shape Manufacturing

Alumina Refining, Primary Aluminum Production

Aluminum Foundries (except Die-Casting), Electroplating, Plating, Polishing, Anodizing, and Coloring, Turbine and Turbine Generator Set Units Manufacturing, Gasoline Engine and Engine Parts Manufacturing, Aircraft Engine and Engine Parts Manufacturing

Rolled Steel Shape Manufacturing

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