GLC Minerals serves Wisconsin, Minnesota, Iowa, Missouri, Illinois, Indiana, Michigan, Indiana, Ohio, North Dakota, South Dakota, Nebraska and Kansas with 50 lb bags, super sacks and bulk Calcium Carbonate, Calcium Magnesium Carbonate, Calcium Sulfate and Custom Mineral Blends in any particle size required for a particular application.

Are you currently looking where to buy calcium carbonate? Well, look no further than GLC Minerals!

GLC Minerals has been supplying Calcium Carbonate, Calcium Magnesium Carbonate and Calcium Sulfate to the entire Midwest region of the United States since 1945.

Industries that are Served but not Limited to:

  • Adhesive and Sealant Fillers
  • Agriculture
  • Agronomy
  • Animal and Pet Feed Manufacturing
  • Cattle Feed
  • Cement Manufacturing
  • Composite Manufacturing
  • Construction Product Manufacturing (concrete, plasters, asphalt, grout)
  • Dairy Feed
  • Elastomer Manufacturing
  • Environmental Fillers (flue gas desulfurization)
  • Glass Manufacturing
  • Industrial Product Fillers
  • Mineral Fillers
  • Paints Fillers
  • Paper Manufacturing
  • Plastic Manufacturing
  • Pollution Filters
  • Poultry Feed
  • Pulping Manufacturing
  • Rubber Manufacturing
  • Soil Conditioning
  • Surface Coating Manufacturing
  • Thermoset Plastic



Since 1871, GLC Minerals has been a family-run business. GLC has grown to become the leader in custom mineral processing by applying their knowledge and expertise in sourcing, manufacturing, processing, supplying and transporting custom minerals and mineral blends.

Midwest Supplier of Calcium Carbonate, Calcium Magnesium Carbonate, Calcium Sulfate and Custom Blends Near You!

Located in Green Bay, Wisconsin definitely has major advantages. Being ideally situated allows GLC Minerals to source the perfect grade of bulk minerals that suit your needs from a select network of suppliers. When the minerals are processed at our facility – the product can then be transported to your facility via boat, railcar or truck.

Where can you buy Calcium Carbonate – well, GLC Minerals of course! Contact GLC Minerals today and lean on their years of experience in supplying various industries with the highest quality Calcium Carbonate Minerals, Calcium Sulfate, Calcium Magnesium Carbonate and Specialty Blends.