North American Industry Classification System (NAICS) Canada 2017 Version 1.0
- 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.