NAICS 212323: Kaolin, Clay, and Ceramic and Refractory Minerals Mining
This U.S. industry comprises (1) establishments primarily engaged in developing the mine site and/or mining clay (e.g., china clay, paper clay and slip clay) or ceramic and refractory minerals and (2) establishments primarily engaged in beneficiating (i.e., preparing) clay or ceramic and refractory minerals.
- NAICS code
- 212323
- Title
- Kaolin, Clay, and Ceramic and Refractory Minerals Mining
- Sector
- 21 Mining, Quarrying, and Oil and Gas Extraction
- Subsector
- 212 Mining (except Oil and Gas)
- Industry group
- 2123 Nonmetallic Mineral Mining and Quarrying
- NAICS industry
- 21232 Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying
- SBA size standard
- 650 employees
- Open bids on BidRover
- 0
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Browse all open bidsFrequently asked questions
What is NAICS code 212323?
NAICS 212323 is "Kaolin, Clay, and Ceramic and Refractory Minerals Mining" in the 2022 North American Industry Classification System, in sector 21 (Mining, Quarrying, and Oil and Gas Extraction). This U.S. industry comprises (1) establishments primarily engaged in developing the mine site and/or mining clay (e.g., china clay, paper clay and slip clay) or ceramic and refractory minerals and (2) establishments primarily engaged in beneficiating (i.e., preparing) clay or ceramic and refractory minerals.
What is the SBA size standard for NAICS 212323?
A business is small under NAICS 212323 at or below 650 employees, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.
How many government bids are open under NAICS 212323?
No open bid in BidRover cites NAICS 212323 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.
How do I get alerts for NAICS 212323 bids?
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Title and definition: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022. Size standard: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201 (eCFR text as of Oct 21, 2026). Bid counts come from official public sources and refresh every hour; confirm the code and size standard in each solicitation.