Iron and Steel Mills, Rolled Steel Shape Manufacturing, Primary Aluminum Production, Aluminum Sheet, Plate, and Foil Manufacturing

Primary Aluminum Production, Sheet Metal Work Manufacturing, Welding and Soldering Equipment Manufacturing

Electrical Contractors, Hardwood Veneer and Plywood Manufacturing, All Other Miscellaneous Wood Product Manufacturing, Asphalt Shingle and Coating Materials Manufacturing, All Other Plastics Product Manufacturing

Glass and Glazing Contractors, All Other Specialty Trade Contractors, Primary Aluminum Production

Steel Wire Drawing, Primary Aluminum Production, Metal Stamping, Plate Work Manufacturing

Iron and Steel Mills, Rolled Steel Shape Manufacturing, Primary Aluminum Production, Secondary Smelting and Alloying of Aluminum, Aluminum Extruded Product Manufacturing

Cut Stone and Stone Product Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Primary Aluminum Production, Fabricated Structural Metal Manufacturing

Primary Aluminum Production

Alumina Refining, Primary Aluminum Production, Aluminum Sheet, Plate, and Foil Manufacturing, Other Aluminum Rolling and Drawing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding

Nitrogenous Fertilizer Manufacturing, All Other Miscellaneous Nonmetallic Mineral Product Manufacturing, Alumina Refining, Primary Aluminum Production, Environmental Consulting Services

Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Primary Aluminum Production, Secondary Smelting and Alloying of Aluminum

Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Primary Aluminum Production, Secondary Smelting and Alloying of Aluminum

Plumbing, Heating, and Air-Conditioning Contractors, Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Primary Aluminum Production

Plastics Packaging Film and Sheet (including Laminated) Manufacturing, Unlaminated Plastics Film and Sheet (except Packaging) Manufacturing, Unlaminated Plastics Profile Shape Manufacturing, Laminated Plastics Plate, Sheet (except Packaging), and Shape Manufacturing, Polystyrene Foam Product Manufacturing

Primary Aluminum Production, Aluminum Sheet, Plate, and Foil Manufacturing, Aluminum Extruded Product Manufacturing, Other Aluminum Rolling and Drawing, Custom Roll Forming

Primary Aluminum Production, Machine Shops, Precision Turned Product Manufacturing, Industrial Mold Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing

Other Building Finishing Contractors, Alumina Refining, Primary Aluminum Production, Other Aluminum Rolling and Drawing, Nonferrous (except Aluminum) Die-Casting Foundries

Primary Aluminum Production, Other Nonferrous Foundries (except Die-Casting)

Primary Aluminum Production, Fabricated Structural Metal Manufacturing, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers

Copper Ore and Nickel Ore Mining, Industrial Sand Mining, All Other Nonmetallic Mineral Mining, Abrasive Product Manufacturing, Ground or Treated Mineral and Earth Manufacturing