North American Industry Classification System (NAICS) code 212323 is used by federal buyers for market research, set-aside size standards, and reporting. Official titles come from the Census Bureau NAICS structure.
Official definition
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.
Included activity examples
- Ball clay mining and/or beneficiating
- Bentonite mining and/or beneficiating
- Common clay mining and/or beneficiating
- Feldspar mining and/or beneficiating
- Fire clay mining and/or beneficiating
- Fuller's earth mining and/or beneficiating
- Kaolin mining and/or beneficiating
- Shale (except oil shale) mining and/or beneficiating
- Official title
- Kaolin, Clay, and Ceramic and Refractory Minerals Mining
- Code level
- 6
- Open opportunities
- 0 open · 0 active
SBA small-business size standard
650 employees
Employee-count basis
Check this standard and its exceptionsExcluded or separately classified activities
Official Census cross-references identify activities that belong under another North American Industry Classification System (NAICS) code.
Calcining, dead burning, or otherwise processing (i.e., beyond basic preparation) clay or ceramic and refractory minerals--are classified in U.S. Industry 327992, Ground or Treated Mineral and Earth Manufacturing; and
Oil shale mining and/or beneficiating--are classified in Industry 211120, Crude Petroleum Extraction.
Shaping, molding, baking, burning, or hardening clay and nonclay refractories, and structural clay products--are classified in Industry 327120, Clay Building Material and Refractories Manufacturing;
Shaping, molding, glazing, and firing pottery, ceramics, and plumbing fixtures--are classified in Industry 327110, Pottery, Ceramics, and Plumbing Fixture Manufacturing;
Source and edition
2022 NAICS Manual definition and reference material from the U.S. Census Bureau.