Naics code Naics crossreference
331491 Rolling, drawing, and/or extruding shapes from purchased copper or recovering copper from scrap and rolling, drawing, or extruding shapes--are classified in Industry 331420, Copper Rolling, Drawing, Extruding, and Alloying
331491 Recovering nonferrous metals (except copper and aluminum) from scrap and making primary forms and/or alloying purchased nonferrous metals--are classified in U.S. Industry 331492, Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
331491 Rolling, drawing, and/or extruding aluminum--are classified in Industry 33131, Alumina and Aluminum Production and Processing
331491 Making primary nonferrous metals and rolling, drawing, or extruding nonferrous metal shapes--are classified in Industry 331410, Nonferrous Metal (except Aluminum) Smelting and Refining
331491 Insulating purchased nonferrous wire--are classified in U.S. Industry 335929, Other Communication and Energy Wire Manufacturing.
331492 Recovering aluminum and aluminum alloys from scrap and/or alloying purchased aluminum--are classified in U.S. Industry 331314, Secondary Smelting and Alloying of Aluminum
331492 Sorting, breaking up, and wholesaling scrap metal without also smelting or refining--are classified in Industry 423930, Recyclable Material Merchant Wholesalers
331492 Recovering nonferrous metals from scrap and rolling, drawing, or extruding shapes in integrated facilities--are classified in U.S. Industry 331491, Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331492 Operating facilities where commingled recyclable materials, such as paper, plastics, used beverage cans, and metals, are sorted into distinct categories without also smelting or refining--are classified in Industry 562920, Materials Recovery Facilities
331492 Recovering copper and copper alloys from scrap and making primary forms, and/or alloying purchased copper--are classified in Industry 331420, Copper Rolling, Drawing, Extruding, and Alloying.