Water Supply and Irrigation Systems, Sewage Treatment Facilities, Industrial Building Construction, Water and Sewer Line and Related Structures Construction, Poured Concrete Foundation and Structure Contractors

New Multifamily Housing Construction (except Operative Builders), Industrial Building Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Structural Steel and Precast Concrete Contractors

Industrial Building Construction, Commercial and Institutional Building Construction, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Custom Roll Forming, Prefabricated Metal Building and Component Manufacturing

Custom Roll Forming, Fabricated Structural Metal Manufacturing, Plate Work Manufacturing, Sheet Metal Work Manufacturing

Roofing Contractors, Siding Contractors, Wood Window and Door Manufacturing, All Other Plastics Product Manufacturing, Custom Roll Forming

Digital Printing, Rolled Steel Shape Manufacturing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Custom Roll Forming, Plate Work Manufacturing

Rolled Steel Shape Manufacturing, Custom Roll Forming, Saw Blade and Handsaw Manufacturing, Fabricated Structural Metal Manufacturing, Metal Tank (Heavy Gauge) Manufacturing

Custom Roll Forming, Fabricated Structural Metal Manufacturing, Plate Work Manufacturing, Sheet Metal Work Manufacturing, Ornamental and Architectural Metal Work Manufacturing

Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Custom Roll Forming, Fabricated Structural Metal Manufacturing

Custom Roll Forming, Metal Stamping, Plate Work Manufacturing, Sheet Metal Work Manufacturing, Spring (Light Gauge) Manufacturing

Custom Roll Forming, Metal Stamping, Sheet Metal Work Manufacturing, Machine Shops

Custom Roll Forming

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

Rolled Steel Shape Manufacturing, Custom Roll Forming, Fabricated Structural Metal Manufacturing, Sheet Metal Work Manufacturing, Ornamental and Architectural Metal Work Manufacturing

Aluminum Sheet, Plate, and Foil Manufacturing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Custom Roll Forming, Sheet Metal Work Manufacturing, Ornamental and Architectural Metal Work Manufacturing

Roofing Contractors, Siding Contractors, Other Foundation, Structure, and Building Exterior Contractors, Custom Roll Forming, Prefabricated Metal Building and Component Manufacturing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Aluminum Sheet, Plate, and Foil Manufacturing, Custom Roll Forming, Sheet Metal Work Manufacturing

Iron and Steel Forging, Nonferrous Forging, Custom Roll Forming, Metal Stamping, Powder Metallurgy Part Manufacturing

Primary Aluminum Production, Aluminum Extruded Product Manufacturing, Other Aluminum Rolling and Drawing, Aluminum Die-Casting Foundries, Custom Roll Forming