NAICS Code 21232 — Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying

NAICS Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It contains 3 direct sub-codes.

Code	21232
Title	Sand, Gravel, Clay, and Ceramic and Refractory Minerals Mining and Quarrying
Level	NAICS Industry (5-digit)
Edition	NAICS 2022 edition

Official definition (2022 NAICS)

This industry comprises (1) establishments primarily engaged in developing the mine site and/or mining, quarrying, dredging for sand and gravel, or mining clay (e.g., china clay, paper clay and slip clay) or ceramic and refractory minerals and (2) preparation plants primarily engaged in beneficiating (e.g., washing, screening, and grinding) sand and gravel, clay, and ceramic and refractory minerals.

Where 21232 sits in the hierarchy

Level	Code	Title
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

Codes under 21232

Code	Title
212321	Construction Sand and Gravel Mining
212322	Industrial Sand Mining
212323	Kaolin, Clay, and Ceramic and Refractory Minerals Mining

Related NAICS Industry codes

• 21231 — Stone Mining and Quarrying
• 21239 — Other Nonmetallic Mineral Mining and Quarrying

Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.