Steel Investment Foundries, Iron and Steel Forging, Construction Machinery 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)

Aluminum Extruded Product Manufacturing

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Other Fabricated Wire Product Manufacturing

Clay Refractory Manufacturing, Nonclay Refractory Manufacturing, Mineral Wool Manufacturing, Aluminum Foundries (except Die-Casting), Metal Heat Treating

Aluminum Extruded Product Manufacturing, Metal Stamping, Sheet Metal Work Manufacturing

Other Building Finishing Contractors, Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Ornamental and Architectural Metal Work Manufacturing, Other Fabricated Wire Product Manufacturing

Rolled Steel Shape Manufacturing, Aluminum Sheet, Plate, and Foil Manufacturing, Metal Stamping, Prefabricated Metal Building and Component Manufacturing, Sheet Metal Work Manufacturing

Polystyrene Foam Product Manufacturing, All Other Plastics Product Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Fabricated Structural Metal Manufacturing, Plate Work Manufacturing

Steel Foundries (except Investment), Hardware Manufacturing, All Other Industrial Machinery Manufacturing, Truck Trailer Manufacturing, Railroad Rolling Stock Manufacturing

Aluminum Foundries (except Die-Casting)

Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Other Fabricated Wire Product Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

Other Nonferrous Foundries (except Die-Casting)

Aluminum Sheet, Plate, and Foil Manufacturing, Prefabricated Metal Building and Component Manufacturing, Fabricated Structural Metal Manufacturing, Plate Work Manufacturing, Machine Shops

Truss Manufacturing, All Other Miscellaneous Wood Product Manufacturing, All Other Plastics Product Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Fabricated Structural Metal Manufacturing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Unlaminated Plastics Profile Shape Manufacturing, Steel Investment Foundries, Aluminum Foundries (except Die-Casting), Machine Shops, Engineering Services

Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Recyclable Material Merchant Wholesalers, Hazardous Waste Treatment and Disposal

Electrometallurgical Ferroalloy Product Manufacturing