NAICS Code 21231 - Stone Mining and Quarrying

Industry Sector

Mining, Quarrying, and Oil and Gas Extraction

Total Companies


Est. Employment



This industry comprises (1) establishments primarily engaged in developing the mine site, mining or quarrying dimension stone (i.e., rough blocks and/or slabs of stone), or mining and quarrying crushed and broken stone and/or (2) preparation plants primarily engaged in beneficiating stone (e.g., crushing, grinding, washing, screening, pulverizing, and sizing).


For some business types, there may be a similar industry to NAICS Code 21231 - Stone Mining and Quarrying that is a better classification match. Establishments primarily engaged in: