212210 — Iron Ore Mining
Description
This industry comprises establishments primarily engaged in (1) developing mine sites, mining, and/or beneficiating (i.e., preparing) iron ores and manganiferous ores valued chiefly for their iron content and/or (2) producing sinter iron ore (except iron ore produced in iron and steel mills) and other iron ore agglomerates (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
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 1011 - Iron Ores (via SIC1987:1011→NAICS1997:21221→2002:212210→2007:212210→2012:212210→2017:212210→2022:212210)
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
- PSC 9610 — Ores
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Frequently Asked Questions (FAQ)
Is NAICS code 212210 valid in 2022? ▾
Yes, 212210 is a valid 6-digit 2022 NAICS national industry code representing 'Iron Ore Mining' under Sector 21 in the official classification index.
What is the SBA size standard for NAICS code 212210? ▾
The Small Business Administration (SBA) has established a small business size standard of 1,400 employees for NAICS code 212210 (Iron Ore Mining), calculated based on employees.
What is the legacy SIC equivalent for NAICS 212210? ▾
According to official Census Bureau concordance tables, NAICS code 212210 (Iron Ore Mining) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 1011 - Iron Ores.
Related Pages & Tools
Further regulatory reference links for NAICS code 212210:
- 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 212210 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Iron Ore 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.