Copper Foundries (except Die-Casting), Iron and Steel Forging, Fabricated Structural Metal Manufacturing, Hardware Manufacturing, Machine Shops

Plumbing, Heating, and Air-Conditioning Contractors, Copper Rolling, Drawing, and Extruding, Copper Wire (except Mechanical) Drawing, Plumbing Fixture Fitting and Trim Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing

Water Supply and Irrigation Systems, Steam and Air-Conditioning Supply, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Fabricated Structural Metal Manufacturing, Hardware Manufacturing

Aluminum Extruded Product Manufacturing, Other Aluminum Rolling and Drawing, Other Nonferrous Foundries (except Die-Casting), Nonferrous Forging, Metal Stamping

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Iron and Steel Forging, Hand and Edge Tool Manufacturing, Kitchen Utensil, Pot, and Pan Manufacturing

Other Building Finishing Contractors, Rolled Steel Shape Manufacturing, Custom Roll Forming, Showcase, Partition, Shelving, and Locker Manufacturing

Plumbing, Heating, and Air-Conditioning Contractors, Other Building Equipment Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial

Steel Wire Drawing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Iron Foundries, Steel Foundries (except Investment), Machine Shops, Storage Battery Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing

Plumbing, Heating, and Air-Conditioning Contractors, Industrial Gas Manufacturing, Plastics Pipe and Pipe Fitting Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, All Other Miscellaneous Fabricated Metal Product Manufacturing

Paint and Coating Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Aluminum Sheet, Plate, and Foil Manufacturing, Aluminum Extruded Product Manufacturing

Primary Aluminum Production, Aluminum Extruded Product Manufacturing, Sheet Metal Work Manufacturing, Other Metal Container Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Dog and Cat Food Manufacturing, Other Animal Food Manufacturing, Nonchocolate Confectionery Manufacturing, Fruit and Vegetable Canning, Fluid Milk Manufacturing

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

Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Other Computer Related Services, Materials Recovery Facilities

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Industrial Machinery and Equipment Merchant Wholesalers, Industrial Supplies Merchant Wholesalers, Other Chemical and Allied Products Merchant Wholesalers

Porcelain Electrical Supply Manufacturing, Rolled Steel Shape Manufacturing, Metal Tank (Heavy Gauge) Manufacturing, Industrial Valve Manufacturing, Other Commercial and Service Industry Machinery Manufacturing

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