Great Lakes Minerals Facility

ProvidingQuality Processed Industrial Minerals

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Quality Products. Superior Service.

Dependability You Can Rely On.

Since 1999, privately held Great Lakes Minerals, LLC (GLM) has been providing refractory, abrasive and HFST customers with high quality industrial minerals processed in the U.S.A.

GLMā€™s company headquarters and plant operations are located in Wurtland, Kentucky at the Greenup Boyd County River Port Industrial Site along the Ohio River and is situated on the converging borders of Kentucky, West Virginia and Ohio. Our location allows for a direct offload of minerals shipped via barge to our plant, as well as, a logistical advantage to a large number of our customers receiving GLM products.

American Flag Made in the USA

Our History & Mission

Great Lakes Minerals, LLC was founded in 1999 as a partnership between ALCOA, Paul Eusner and Rick Silvestri. In 2003, Eusner and Silvestri took over ALCOAā€™s partial ownership of GLM and began growing the company over the next decade into a leading supplier of high alumina minerals to the refractory and abrasive industries.

Being strategically located along the Ohio River on the converging borders of Kentucky, West Virginia and Ohio, not only provides logistical benefits to a large number of our customers but also allows us to maintain a high degree of handling control of the material directly offloaded from barges to our plant.

GLMā€™s high-capacity, state-of-the-art crushing, and sizing operation has the capacity to make specified sizes 25mm through ceramic ball milled flours for the refractory and abrasive markets. Our competitive advantage starts in the mine by sourcing high quality raw materials from China and Guyana and ends with a U.S.A. processed product with specifications consistent in size, chemistry, and physicality.

Our core business mission hinges on our commitment to quality and service. Quality is tested at every stage of the production process ā€“ from mine and chemical processing to U.S. entry & GLM plant ports, and then throughout the entire production process until the finished product is bagged and ready to ship. We continually look to the future and make investments to improve plant production processes and expand our product offerings. Making decisions quickly enables us to answer the material and product needs of our customers on-demand, establishing GLM as a trusted partner, and reinforcing our commitment to excellence in customer service.

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GLM’s Core Applications

The GLM product portfolio consists of the following materials which are used in a wide range of applications across the refractory and abrasive markets:


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