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

Timber Tract Operations, Forest Nurseries and Gathering of Forest Products, Logging, Industrial Building Construction, Commercial and Institutional Building Construction

Flooring Contractors, Steel Wire Drawing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Roofing Contractors, Siding Contractors, Other Building Finishing Contractors, Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

Oil and Gas Pipeline and Related Structures Construction, Highway, Street, and Bridge Construction, Roofing Contractors, Other Foundation, Structure, and Building Exterior Contractors, Painting and Wall Covering Contractors

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

Residential Remodelers, All Other Specialty Trade Contractors, Steel Wire Drawing, Other Fabricated Wire Product Manufacturing

Support Activities for Oil and Gas Operations, Oil and Gas Pipeline and Related Structures Construction, Other Heavy and Civil Engineering Construction, Structural Steel and Precast Concrete Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel

All Other Specialty Trade Contractors, Steel Wire Drawing, Other Fabricated Wire Product Manufacturing, Other Metalworking Machinery Manufacturing

Support Activities for Oil and Gas Operations, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Other Heavy and Civil Engineering Construction, Wood Preservation

Plumbing, Heating, and Air-Conditioning Contractors, Other Building Equipment Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Plate Work Manufacturing, Power Boiler and Heat Exchanger Manufacturing

Steel Wire Drawing

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Oil and Gas Pipeline and Related Structures Construction

Steel Investment Foundries, Aluminum Foundries (except Die-Casting)

All Other Specialty Trade Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Aluminum Sheet, Plate, and Foil Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Fabricated Pipe and Pipe Fitting Manufacturing

Iron and Steel Mills, Plate Work Manufacturing, Sheet Metal Work Manufacturing, Machine Shops

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors

Sewage Treatment Facilities, Narrow Fabric Mills, Nonwoven Fabric Mills, Plastics Pipe and Pipe Fitting Manufacturing, Iron Foundries

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Plate Work Manufacturing, Sheet Metal Work Manufacturing

Framing Contractors, Roofing Contractors, Siding Contractors, Drywall and Insulation Contractors, Painting and Wall Covering Contractors

Other Heavy and Civil Engineering Construction, Primary Aluminum Production, Hardware Manufacturing, Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers, Boat Dealers

Electrical Contractors, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Electrometallurgical Ferroalloy Product Manufacturing, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers, Electroplating, Plating, Polishing, Anodizing, and Coloring