|Major Group 33 : Primary Metal Industries
This major group includes establishments engaged in smelting and
refining ferrous and nonferrous metals from ore, pig, or scrap; in rolling,
drawing, and alloying metals; in manufacturing castings and other basic
metal products; and in manufacturing nails, spikes, and insulated wire and
cable. This major group includes the production of coke. Establishments
primarily engaged in manufacturing metal forgings or stampings are
classified in Industry Group 346.