SPECIALTY GRANULES (IONE) LLC
ABOUT
Specialty Granules (Ione) LLC, located 2 miles east of Ione, CA in Amador County, is a surface quarry producing high-quality construction sand and gravel for diverse building applications. Situated strategically in central California, this large-scale operation, employing 74, ensures reliable supply and efficient delivery to regional construction markets.
MATERIALS PRODUCED
COMPANY INFORMATION
Operator
Specialty Granules (Ione) LLC
Parent Company
Specialty Granules LLC
Company Type
Other
DIRECTIONS
100
CONTACT
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Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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