This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) operating industrial grade sand pits; (2) dredging for industrial grade sand; and (3) washing, screening, or otherwise preparing industrial grade sand. Establishments primarily engaged in--

Including:

• Abrasive sand quarrying and/or beneficiating
• Blast sand quarrying and/or beneficiating
• Enamel sand quarrying and/or beneficiating
• Filtration sand quarrying and/or beneficiating
• Foundry sand quarrying and/or beneficiating
• Glass sand quarrying and/or beneficiating
• Grinding sand quarrying and/or beneficiating
• Industrial sand beneficiating (e.g., screening, washing)
• Industrial sand sandpits and dredging
• Molding sand quarrying and/or beneficiating
• Sand, blast, quarrying and/or beneficiating
• Sand, industrial (e.g., engine, filtration, glass grinding, proppant), quarrying and/or beneficiating
• Silica mining and/or beneficiating
• Silica sand quarrying and/or beneficiating