Aluminum Foundries (except Die-Casting)

Commercial and Institutional Building Construction, Structural Steel and Precast Concrete Contractors, Other Foundation, Structure, and Building Exterior Contractors, Steel Foundries (except Investment), Other Fabricated Wire Product Manufacturing

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, Other Heavy and Civil Engineering Construction

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Aluminum Sheet, Plate, and Foil Manufacturing, Aluminum Extruded Product Manufacturing, Custom Roll Forming, Metal Stamping

Other Nonferrous Foundries (except Die-Casting)

All Other Specialty Trade Contractors, Iron and Steel Mills, Steel Wire Drawing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Sheet Metal Work Manufacturing, Hardware Manufacturing, Machine Shops

Industrial Building Construction, Structural Steel and Precast Concrete Contractors, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Plate Work Manufacturing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Nonferrous Forging, Fabricated Structural Metal Manufacturing, Other Electronic Component Manufacturing

Rolled Steel Shape Manufacturing, Sheet Metal Work Manufacturing, Metal Tank (Heavy Gauge) Manufacturing

Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing

Rolled Steel Shape Manufacturing

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