212390 — Other Nonmetallic Mineral Mining and Quarrying
Description
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or milling or otherwise beneficiating (i.e., preparing) nonmetallic minerals (except coal, stone, sand, gravel, clay, and ceramic and refractory minerals). Drylake brine operations are included in this industry, as well as establishments engaged in producing the specified minerals from underground and open pit mines (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Illustrative Examples
- Barite mining and/or beneficiating
- Phosphate rock mining and/or beneficiating
- Borate, natural, mining and/or beneficiating
- Potash mining and/or beneficiating
- Peat mining and/or beneficiating
- Rock salt mining and/or beneficiating
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 1474 - Potash, Soda, and Borate Minerals (via SIC1987:1474→NAICS1997:212391→2002:212391→2007:212391→2012:212391→2017:212391→2022:212390)
- SIC 1475 - Phosphate Rock (via SIC1987:1475→NAICS1997:212392→2002:212392→2007:212392→2012:212392→2017:212392→2022:212390)
- SIC 1479 - Chemical and Fertilizer Mineral Mining, NEC (via SIC1987:1479→NAICS1997:212393→2002:212393→2007:212393→2012:212393→2017:212393→2022:212390)
- SIC 1499 - Miscellaneous Nonmetallic Minerals, Except Fuels (via SIC1987:1499→NAICS1997:212399→2002:212399→2007:212399→2012:212399→2017:212399→2022:212390)
- SIC 3295 - Minerals and Earths, Ground or Otherwise Treated (via SIC1987:3295→NAICS1997:212399→2002:212399→2007:212399→2012:212399→2017:212399→2022:212390)
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 212390 valid in 2022? ▾
Yes, 212390 is a valid 6-digit 2022 NAICS national industry code representing 'Other Nonmetallic Mineral Mining and Quarrying' under Sector 21 in the official classification index.
What is the SBA size standard for NAICS code 212390? ▾
The Small Business Administration (SBA) has established a small business size standard of 600 employees for NAICS code 212390 (Other Nonmetallic Mineral Mining and Quarrying), calculated based on employees.
What is the legacy SIC equivalent for NAICS 212390? ▾
According to official Census Bureau concordance tables, NAICS code 212390 (Other Nonmetallic Mineral Mining and Quarrying) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 1474 - Potash, Soda, and Borate Minerals, 1475 - Phosphate Rock, 1479 - Chemical and Fertilizer Mineral Mining, NEC, 1499 - Miscellaneous Nonmetallic Minerals, Except Fuels, 3295 - Minerals and Earths, Ground or Otherwise Treated.
Related Pages & Tools
Further regulatory reference links for NAICS code 212390:
- 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 212390 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Other Nonmetallic Mineral Mining and Quarrying).
- IRS PBA Code for Mining — Principal Business Activity tax reporting details.
- 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.