Find Recommended Agriculture & Farming Businesses in Green Bay, WI

Great Lakes Calcium manufactures high-quality mineral products for agronomy, animal nutrition, and industrial applications. Specializing in calcium carbonate, gypsum, and magnesium supplements, we provide science-based solutions to improve soil health, livestock productivity, and manufacturing performance. Our family-owned business combines 150 years of expertise with ISO-certified quality standards to deliver consistent, reliable products and services.