Aluminum Sheet, Plate, and Foil Manufacturing, Sheet Metal Work Manufacturing

Aluminum Foundries (except Die-Casting)

Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Iron and Steel Forging, Nonferrous Forging

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction

Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)

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

Copper Wire (except Mechanical) Drawing

Aluminum Extruded Product Manufacturing, Custom Roll Forming

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction

Electrometallurgical Ferroalloy Product Manufacturing, Metal Tank (Heavy Gauge) Manufacturing, Other Metal Container Manufacturing, Machine Shops, Precision Turned Product Manufacturing

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

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

Aluminum Foundries (except Die-Casting)

Other Aluminum Rolling and Drawing, Copper Wire (except Mechanical) Drawing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Computer Storage Device Manufacturing, Computer Terminal Manufacturing

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Structural Steel and Precast Concrete Contractors

Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Ornamental and Architectural Metal Work Manufacturing, Other Construction Material Merchant Wholesalers

All Other Metal Ore Mining, All Other Basic Inorganic Chemical Manufacturing, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)

Urethane and Other Foam Product (except Polystyrene) Manufacturing, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Iron and Steel Forging, Nonferrous Forging

Iron and Steel Mills