North American Industry Classification System (NAICS) code 21223 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
See industry description for 212230.
- Official title
- Copper, Nickel, Lead, and Zinc Mining
- Code level
- 5
- Parent industry
- Metal Ore Mining 2122
- Open opportunities
- 0 open · 0 active
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.