NAICS 212323 – Kaolin, Clay, and Ceramic and Refractory Minerals Mining
What NAICS 212323 (Kaolin, Clay, and Ceramic and Refractory Minerals Mining) means for federal contracting, and how to find matching opportunities.
Part of NAICS Sector 21 – Mining, Quarrying, and Oil and Gas Extraction
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Search on GovTrove →Related NAICS Codes
- NAICS 212321 – Construction Sand and Gravel Mining29 active
- NAICS 212312 – Crushed and Broken Limestone Mining and Quarrying7 active
- NAICS 213113 – Support Activities for Coal Mining5 active
- NAICS 211130 – Natural Gas Extraction5 active
- NAICS 213112 – Support Activities for Oil and Gas Operations5 active
- NAICS 212319 – Other Crushed and Broken Stone Mining and Quarrying4 active
Data sourced from SAM.gov. Updated daily. Last updated: October 27, 2026.