# NAICS 212230: Copper, Nickel, Lead, and Zinc Mining

The SBA size standard for NAICS 212230 is 1,400 employees (13 CFR 121.201).

| Field | Value |
| --- | --- |
| Code | 212230 |
| Title | Copper, Nickel, Lead, and Zinc Mining |
| Level | 6 |
| Parent | 21223 |
| Size standard | 1,400 employees |
| Footnote | - |

## Description

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.

## Sources

- Census NAICS: https://www.census.gov/naics/
- SBA size standards: https://www.sba.gov/document/support-table-size-standards

## API and MCP

- REST: GET https://samgovapi.io/api/v1/naics/212230/size-standard?revenue_usd=...
- MCP tools: naics_lookup, size_standard_check

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