NAICS 331492
Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
This U.S.
Inside Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
Nothing is classified below Secondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum). Its organizations are in the registry; its schema is one link above.