Elco Plant, operated by Covia Specialty Minerals, Inc., provides high-quality quartz in ground form for various industrial applications. Located in Elco, Alexander County, IL, along Highway 127, this facility serves regional markets with a workforce of 34, ensuring reliable and consistent material supply.
Operator
Covia Specialty Minerals, Inc.
Parent Company
Covia Holdings LLC
Company Type
Corporation
150
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37.303056, -89.262778
Data Source
Mine Safety and Health Administration (MSHA)
Last updated: 1/30/2026
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