Alumina and Aluminum Production and Processing

NAICS Industry 33131

NAICS Code		N.A. Industry  [2012]		SIC Codes
				(4-digit)
331311		Alumina Refining  [2007]	⇒	2819
331312		Primary Aluminum Production  [2007]	⇒	3334
331313		Alumina Refining and Primary Aluminum Production	⇒	2819,  3334
331314		Secondary Smelting and Alloying of Aluminum	⇒	3341,  3399
331315		Aluminum Sheet, Plate, and Foil Manufacturing	⇒	3353
331316		Aluminum Extruded Product Manufacturing  [2007]	⇒	3354
331318		Other Aluminum Rolling, Drawing, and Extruding	⇒	3354,  3355,  3357
331319		Other Aluminum Rolling and Drawing  [2007]	⇒	3355,  3357