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.