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.
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
✓ Small Business Eligibility at a Glance
Based on SBA Table of Small Business Size Standards (2024)
Size Standard
600 employees
Measurement Period
Current count
Standard Type
Employee-Based
Applies To
All contracts under NAICS 212390
Set-Aside Programs
8(a), WOSB, HUBZone, SDVOSB
Certification Required
No (self-certify in SAM.gov)
Size standards are set by the SBA and reviewed periodically. Always verify at SBA.gov before bidding.
Cross-References
The following activities are classified elsewhere in the NAICS system:
→Mining or quarrying stone--are classified in Industry 21231, Stone Mining and Quarrying;
→Mining, quarrying, or beneficiating sand, gravel, clay, and ceramic and refractory minerals--are classified in Industry 21232, Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying;
→Calcining, dead burning, or otherwise processing (i.e., beyond basic preparation) minerals, such as talc, mica, feldspar, barite, and soapstone--are classified in U.S. Industry 327992, Ground or Treated Mineral and Earth Manufacturing;
→Manufacturing sodium carbonate, boron compounds, and/or potassium salts--are classified in Industry 325180, Other Basic Inorganic Chemical Manufacturing;
→Manufacturing table salt--are classified in U.S. Industry 311942, Spice and Extract Manufacturing;
→Manufacturing industrial salt--are classified in U.S. Industry 325998, All Other Miscellaneous Chemical Product and Preparation Manufacturing;
→Manufacturing phosphoric acid, superphosphates, or other phosphatic fertilizer materials--are classified in U.S. Industry 325312, Phosphatic Fertilizer Manufacturing; and
→Providing support activities (except geophysical surveying and mapping, site preparation, construction, and transportation) for the mining of nonmetallic minerals (except fuel) on a contract or fee basis--are classified in U.S. Industry 213115, Support Activities for Nonmetallic Minerals (except Fuels) Mining.
How to Use NAICS 212390 in SAM.gov
NAICS code 212390 — Other Nonmetallic Mineral Mining and Quarrying — is used in SAM.gov to identify businesses whose primary activity falls within this classification. When you add this code to your SAM.gov entity registration, contracting officers searching for vendors in the Nonmetallic Mineral Mining and Quarrying space will be able to find your business.
If this code represents your primary business activity, designate it as your primary NAICS code. Your primary NAICS code determines your size standard for any contract solicited under this code. With a size standard of 600 employees, your business must be at or below this threshold to qualify as a small business for set-aside contracts under NAICS 212390.
NAICS code 212390 is 'Other Nonmetallic Mineral Mining and Quarrying', classified under the Mining, Quarrying, and Oil and Gas Extraction sector (NAICS 21). 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
What is the SBA small business size standard for NAICS code 212390?
The SBA defines a small business under NAICS code 212390 (Other Nonmetallic Mineral Mining and Quarrying) as one with 600 employees. This size standard determines eligibility for small business set-aside contracts, 8(a), HUBZone, WOSB, and SDVOSB programs in SAM.gov.
How do I register NAICS code 212390 in SAM.gov?
To register NAICS code 212390 in SAM.gov: (1) Log in at sam.gov, (2) Navigate to your Entity Registration, (3) Go to the Assertions section, (4) Add 212390 (Other Nonmetallic Mineral Mining and Quarrying) to your NAICS code list. You may designate one code as your Primary NAICS code.