NAICS Code 212210 — Iron Ore Mining

National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is the only national industry under 21221 (Iron Ore Mining).

Code	212210
Title	Iron Ore Mining
Level	National Industry (6-digit)
Edition	NAICS 2022 edition
SBA size standard	1,400 employees

Official definition (2022 NAICS)

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.

Cross-References.

Is a business under 212210 "small"?

Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 212210 qualifies as a small business if it does not exceed 1,400 employees. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — employee count is averaged over the latest 24 months.

Where 212210 sits in the hierarchy

Level	Code	Title
Sector	21	Mining, Quarrying, and Oil and Gas Extraction
Subsector	212	Mining (except Oil and Gas)
Industry Group	2122	Metal Ore Mining
NAICS Industry	21221	Iron Ore Mining
National Industry	212210	Iron Ore Mining

Related SIC codes

Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.

SIC code	Title
1011	Iron Ores

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.