212290 — Other Metal Ore Mining
Description
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) metal ores (except iron and manganiferous ores valued for their iron content, gold ore, silver ore, copper, nickel, lead, and zinc ore).
Illustrative Examples
- Antimony ores mining and/or beneficiating
- Tantalum ores mining and/or beneficiating
- Columbite ores mining and/or beneficiating
- Tungsten ores mining and/or beneficiating
- Ilmenite ores mining and/or beneficiating
- Uranium-radium-vanadium ores mining and/or beneficiating
- Molybdenum ores mining and/or beneficiating
Overview Facts
| NAICS Code | 212290 |
|---|---|
| Industry Title | Other Metal Ore Mining |
| SBA Size Standard | 1,250 employees |
| IRS PBA Code | 212200 (rolled-up match) |
| Sectors Hierarchy | Sector 21 → 212 → 2122 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 1061 - Ferroalloy Ores, Except Vanadium (via SIC1987:1061→NAICS1997:212299→2002:212299→2007:212299→2012:212299→2017:212299→2022:212290)
- SIC 1094 - Uranium-Radium-Vanadium Ores (via SIC1987:1094→NAICS1997:212291→2002:212291→2007:212291→2012:212291→2017:212291→2022:212290)
- SIC 1099 - Miscellaneous Metal Ores, NEC (via SIC1987:1099→NAICS1997:212299→2002:212299→2007:212299→2012:212299→2017:212299→2022:212290)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 212290:
- 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.
- 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.
Related Industries in 2122
Frequently Asked Questions (FAQ)
Is 212290 a valid 2022 NAICS code?
NAICS 212290 is 'Other Metal Ore Mining', a 2022 U.S. national industry under Sector 21 (Mining, Quarrying, and Oil and Gas Extraction); the SBA small-business size standard is 1,250 employees.
What is the SBA size standard for NAICS 212290?
The SBA small business size standard for NAICS 212290 is 1,250 employees (based on employees).
What is the legacy SIC code mapping for 212290?
NAICS code 212290 maps to the legacy 1987 SIC codes: 1061 - Ferroalloy Ores, Except Vanadium, 1094 - Uranium-Radium-Vanadium Ores, 1099 - Miscellaneous Metal Ores, NEC.