212230 — Copper, Nickel, Lead, and Zinc Mining
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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Exclusions & Cross-References
- Refining copper concentrates--are classified in Industry 331410, Nonferrous Metal (except Aluminum)
- Smelting and Refining; and
- Developing the mine site, mining, and/or beneficiating iron and manganiferous ores valued for their iron
- content--are classified in Industry 212210, Iron Ore Mining.
Overview Facts
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 1021 - Copper Ores (via SIC1987:1021→NAICS1997:212234→2002:212234→2007:212234→2012:212234→2017:212230→2022:212230)
- SIC 1031 - Lead and Zinc Ores (via SIC1987:1031→NAICS1997:212231→2002:212231→2007:212231→2012:212231→2017:212230→2022:212230)
- SIC 1061 - Ferroalloy Ores, Except Vanadium (via SIC1987:1061→NAICS1997:212234→2002:212234→2007:212234→2012:212234→2017:212230→2022:212230)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC 3820 — Mining, Rock Drilling, Earth Boring, and Related Equipment
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 212230 valid in 2022? ▾
Yes, 212230 is a valid 6-digit 2022 NAICS national industry code representing 'Copper, Nickel, Lead, and Zinc Mining' under Sector 21 in the official classification index.
What is the SBA size standard for NAICS code 212230? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,400 employees for NAICS code 212230 (Copper, Nickel, Lead, and Zinc Mining), calculated based on employees.
What is the legacy SIC equivalent for NAICS 212230? ▾
According to official Census Bureau concordance tables, NAICS code 212230 (Copper, Nickel, Lead, and Zinc Mining) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 1021 - Copper Ores, 1031 - Lead and Zinc Ores, 1061 - Ferroalloy Ores, Except Vanadium.
Related Pages & Tools
Further regulatory reference links for NAICS code 212230:
- Sector 21 Directory Hub — List of related industries in the Mining, Quarrying, and Oil and Gas Extraction sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- NAICS 212230 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Copper, Nickel, Lead, and Zinc Mining).
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.