Primary metal manufacturing
331
Primary metal manufacturing
33111
Iron & steel mills & ferroalloy manufacturing
33121
Iron & steel pipe & tube manufacturing from purchased steel
33122
Rolling & drawing of purchased steel
33131
Alumina & aluminum production & processing
33141
Nonferrous metal (except aluminum) smelting & refining
33142
Copper rolling, drawing, extruding & alloying
33149
Other nonferrous metal rolling, drawing, extruding & alloying
33151
Ferrous metal foundries
33152
Nonferrous metal foundries
A separate report is available for each of the above.