NAICS 331419 — Nonferrous Metal (except Aluminum) Smelting and Refining 
BEA sector: Primary smelting and refining of nonferrous metal (except copper and aluminum)
Activity: Antimony refining, primary
Activity: Beryllium refining, primary
Activity: Bismuth refining, primary
Activity: Cadmium refining, primary
Activity: Chromium refining, primary
Activity: Cobalt refining, primary
Activity: Germanium refining, primary
Activity: Gold bullion or dore bar produced at primary metal refineries
Activity: Gold refining, primary
Activity: Ingot, primary, nonferrous metals (except aluminum, copper), manufacturing
Activity: Iridium refining, primary
Activity: Lead smelting and refining, primary
Activity: Magnesium refining, primary
Activity: Nickel refining, primary
Activity: Niobium refining, primary
Activity: Nonferrous metal (except aluminum, copper) shapes made in primary nonferrous metal smelting and refining mills
Activity: Nonferrous metals (except aluminum, copper) made in primary nonferrous metal smelting and refining mills
Activity: Nonferrous metals (except aluminum, copper) smelting and refining, primary
Activity: Platinum refining, primary
Activity: Precious metals refining, primary
Activity: Primary refining of nonferrous metals (except aluminum, copper)
Activity: Primary smelting of nonferrous metals (except aluminum, copper)
Activity: Refining nonferrous metals and alloys (except aluminum, copper), primary
Activity: Rhenium refining, primary
Activity: Selenium refining, primary
Activity: Silver bullion or dore bar produced at primary metal refineries
Activity: Silver refining, primary
Activity: Slab, nonferrous metals (except aluminum, copper), primary
Activity: Smelting of nonferrous metals (except aluminum, copper), primary
Activity: Tantalum refining, primary
Activity: Tellurium refining, primary
Activity: Tin base alloys made in primary tin smelting and refining mills
Activity: Tin refining, primary
Activity: Titanium refining, primary
Activity: Uranium refining, primary
Activity: Zinc refining, primary
Activity: Zirconium refining, primary