Variant of NAICS 2012 - Content and media sector

• Non CM - Industries not included in the content and media sector
• 21 - Mining, quarrying, and oil and gas extraction
• 212 - Mining and quarrying (except oil and gas)
• 2122 - Metal ore mining

21223 - Copper, nickel, lead and zinc ore mining

This industry comprises establishments primarily engaged in mining, beneficiating or otherwise preparing ores valued chiefly for their copper, nickel, lead or zinc content.