Potash, Soda, and Borate Mineral Mining, Inorganic Dye and Pigment Manufacturing, Synthetic Organic Dye and Pigment Manufacturing, Alkalies and Chlorine Manufacturing, All Other Basic Inorganic Chemical Manufacturing

Other Foundation, Structure, and Building Exterior Contractors, All Other Specialty Trade Contractors, Steel Wire Drawing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding

Electrical Contractors, Copper Wire (except Mechanical) Drawing, Wired Telecommunications Carriers, Telecommunications Resellers, Other Commercial and Industrial Machinery and Equipment Rental and Leasing

Crushed and Broken Limestone Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying, Wood Container and Pallet Manufacturing, Prefabricated Wood Building Manufacturing, Other Concrete Product Manufacturing

Rolled Steel Shape Manufacturing, Fabricated Structural Metal Manufacturing, Sheet Metal Work Manufacturing

Porcelain Electrical Supply Manufacturing, Other Aluminum Rolling and Drawing, Copper Wire (except Mechanical) Drawing, Other Fabricated Wire Product Manufacturing, Electronic Coil, Transformer, and Other Inductor Manufacturing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Aluminum Sheet, Plate, and Foil Manufacturing, Aluminum Extruded Product Manufacturing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding

All Other Plastics Product Manufacturing, Rubber and Plastics Hoses and Belting Manufacturing, Steel Foundries (except Investment), Aluminum Foundries (except Die-Casting), Fluid Power Valve and Hose Fitting Manufacturing

Finish Carpentry Contractors, All Other Specialty Trade Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Custom Architectural Woodwork and Millwork Manufacturing, Sign Manufacturing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Hardware Merchant Wholesalers, Industrial Supplies Merchant Wholesalers

New Single-Family Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Drywall and Insulation Contractors, Flooring Contractors

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Electroplating, Plating, Polishing, Anodizing, and Coloring, All Other Miscellaneous Fabricated Metal Product Manufacturing, All Other Industrial Machinery Manufacturing

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

Industrial Building Construction, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Plate Work Manufacturing, Ornamental and Architectural Metal Work Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Rolled Steel Shape Manufacturing, Plate Work Manufacturing, Sheet Metal Work Manufacturing

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

Other Nonferrous Foundries (except Die-Casting), Ornamental and Architectural Metal Work Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Art Dealers

Fluid Power Valve and Hose Fitting Manufacturing

Iron and Steel Mills

Steel Wire Drawing