NAICS Code 21231 - Stone Mining and Quarrying
Industry SectorMining, Quarrying, and Oil and Gas Extraction
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).
- Producing lime: classified in NAICS Code - 32741 - Lime Manufacturing.
- Quarrying and dressing dimension stone: classified in NAICS Code - 32799 - All Other Nonmetallic Mineral Product Manufacturing..