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Primary Metal Manufacturing

NAICS Subsector 331

NAICS [2012]ManufacturingPrimary Metal Manufacturing
NAICS CodeN.A. Industry GroupNAICS Codes
In ascending order(5-digit)
3311Iron and Steel Mills and Ferroalloy Manufacturing1
3312Steel Product Manufacturing from Purchased Steel2
3313Alumina and Aluminum Production and Processing1
3314Nonferrous Metal (except Aluminum) Production and Processing3

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