GLC Minerals processes carbonates in Green Bay, Wisconsin. After five generations, GLC has grown to be the leader in custom mineral processing for numerous markets such as soil amendments, animal feed, glass, fillers, coatings, adhesives, and sealants. 

We have flexibility in our process equipment that allows us to work closely with customers to produce an optimal product. We make decisions in a timely manner and respond quickly to customers needs. The use of vessel transportation from the mine to our dockside facility enables GLC  products to be priced competitively.

Agriculture & Farming

Chemicals

Mining

GLC Minerals

GLC Minerals' headquarters in Green Bay, United States

Wesley Garner

Sean Mangieri

Kenneth D. Przybyla

Ami Gignac

Catherine Schumer

The Leadership Team at GLC Minerals is responsible for setting and executing the strategic direction of the company. This includes overseeing operations, managing financial health, driving commercial growth, and ensuring customer satisfaction. The team works collaboratively to make timely decisions and respond quickly to market and customer needs, maintaining GLC's position as a leader in custom mineral processing.

Leadership Team

The Marketing and Sales Team at GLC Minerals is responsible for promoting the company's custom mineral processing services and driving sales across various markets, including soil amendments, animal feed, glass, fillers, coatings, adhesives, and sealants. They develop and implement marketing strategies, manage customer relationships, and tailor sales approaches to meet client needs efficiently. By leveraging the company's flexible process equipment and competitive pricing, they ensure timely responses to customer inquiries and work to expand GLC's market presence.

GLC Minerals

Org chart

Teams

Leadership Team

Marketing and Sales Team

Offices

GLC Minerals

Org chart

Teams

Leadership Team

Marketing and Sales Team

Offices

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