Structural Steel and Precast Concrete Contractors, Other Foundation, Structure, and Building Exterior Contractors, Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Electrical Contractors, Other Building Equipment Contractors, Painting and Wall Covering Contractors, All Other Specialty Trade Contractors, Steel Wire Drawing

Copper Wire (except Mechanical) Drawing, Semiconductor and Related Device Manufacturing, Electronic Capacitor Manufacturing, Electronic Resistor Manufacturing, Electronic Coil, Transformer, and Other Inductor Manufacturing

Industrial Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction

Structural Steel and Precast Concrete Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Custom Roll Forming, Fabricated Structural Metal Manufacturing

Structural Steel and Precast Concrete Contractors, Other Foundation, Structure, and Building Exterior Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Fabricated Structural Metal Manufacturing

Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Aluminum Extruded Product Manufacturing, Iron and Steel Forging

All Other Specialty Trade Contractors, Wood Preservation, Cut Stock, Resawing Lumber, and Planing, All Other Miscellaneous Wood Product Manufacturing, Iron and Steel Mills

Iron and Steel Mills, Hardware Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing

Other Foundation, Structure, and Building Exterior Contractors, Flooring Contractors, Tile and Terrazzo Contractors, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum), Ornamental and Architectural Metal Work Manufacturing

Other Foundation, Structure, and Building Exterior Contractors, Other Building Equipment Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, All Other Miscellaneous Fabricated Metal Product Manufacturing

Glass and Glazing Contractors, Other Building Equipment Contractors, Other Building Finishing Contractors, Wood Window and Door Manufacturing, All Other Plastics Product Manufacturing

All Other Specialty Trade Contractors, Wood Preservation, Cut Stock, Resawing Lumber, and Planing, All Other Miscellaneous Wood Product Manufacturing, Steel Wire Drawing

Other Building Finishing Contractors, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding

Iron and Steel Mills, Hardware Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing

Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, Copper Wire (except Mechanical) Drawing, Telephone Apparatus Manufacturing, Audio and Video Equipment Manufacturing

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Residential Remodelers, Commercial and Institutional Building Construction, Framing Contractors

Electric Power Distribution, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers

Other Electric Power Generation, New Housing Operative Builders, Residential Remodelers, Power and Communication Line and Related Structures Construction, Roofing Contractors