This U.S. industry comprises: (1) establishments primarily engaged in developing the mine site, and/or mining or quarrying crushed and broken granite (including related rocks, such as gneiss, syenite, and diorite); and (2) preparation plants primarily engaged in beneficiating granite (e.g., grinding or pulverizing).

• Diorite crushed and broken stone mining and/or beneficiating
• Gneiss crushed and broken stone mining and/or beneficiating
• Granite beneficiating plants (e.g., grinding or pulverizing)
• Granite crushed and broken stone mining and/or beneficiating
• Riprap, granite, mining or quarrying
• Riprap, granite, preparation plants
• Syenite (except nepheline) crushed and broken stone mining and/or beneficiating