NAICS 212230
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.
Inside Copper, Nickel, Lead, and Zinc Mining
Nothing is classified below Copper, Nickel, Lead, and Zinc Mining. Its organizations are in the registry; its schema is one link above.