Noncellulosic Organic Fiber Manufacturing, Primary Smelting and Refining of Copper, Copper Rolling, Drawing, and Extruding

Copper Ore and Nickel Ore Mining, Industrial Sand Mining, All Other Nonmetallic Mineral Mining, Abrasive Product Manufacturing, Ground or Treated Mineral and Earth Manufacturing

Primary Smelting and Refining of Copper, Secondary Smelting, Refining, and Alloying of Copper, Aluminum Foundries (except Die-Casting), Copper Foundries (except Die-Casting), Other Nonferrous Foundries (except Die-Casting)

Primary Smelting and Refining of Copper, Copper Wire (except Mechanical) Drawing, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Fiber Optic Cable Manufacturing

Electrical Contractors, Other Building Finishing Contractors, Other Millwork (including Flooring), Urethane and Other Foam Product (except Polystyrene) Manufacturing, All Other Plastics Product Manufacturing

Lead Ore and Zinc Ore Mining, Copper Ore and Nickel Ore Mining, Support Activities for Metal Mining, Primary Smelting and Refining of Copper, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum)

Iron and Steel Mills, Iron and Steel Pipe and Tube Manufacturing from Purchased Steel, Rolled Steel Shape Manufacturing, Primary Aluminum Production, Secondary Smelting and Alloying of Aluminum

Power and Communication Line 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