Naics index Naics index description
331492 Magnesium recovering from scrap and/or alloying purchased metals
331492 Metal powder and flake nonferrous (except aluminum, copper) made from purchased metal
331492 Nickel recovering from scrap and/or alloying purchased metals
331492 Nonferrous alloys (except aluminum, copper) made from purchased nonferrous metals
331492 Nonferrous alloys (except aluminum, copper) made in integrated secondary smelting and alloying plants
331492 Nonferrous metals (except aluminum, copper) secondary smelting and refining
331492 Paste, nonferrous metals (except aluminum, copper), made from purchased metal
331492 Platinum recovering from scrap and/or alloying purchased metals
331492 Powder, nonferrous metals (except aluminum, copper), made from purchased metal
331492 Precious metals recovering from scrap and/or alloying purchased metals