NAICS Code 21 Companies ... NAICS Code 212 Companies ... NAICS Code 2122 Companies ... NAICS Code 21223 Companies ... NAICS Code 212230 Companies
Copper, Nickel, Lead, and Zinc Mining
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) ores valued chiefly for their copper, nickel, lead, or zinc content. Beneficiating includes the transformation of ores into concentrates. Establishments primarily engaged in recovering copper concentrates by the precipitation, leaching, or electrowinning of copper ore are included in this industry.
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