描述

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).

相关的NAICS代码

• 生产石灰 - 分类为工业32741.，石灰制造;和
• 采石和敷料尺寸石 - 分类为工业32799.，所有其他非金属矿物产品制造。