Calcium carbonate companies in USA : Calcium carbonate is sort of the behind-the-scenes hero in industries all over the USA. From your morning glass of orange juice that’s fortified with it to toothpaste we all (hopefully) brush our teeth with every day, it’s ubiquitous! Leaders in the production of this amazing white powder are companies like Omya and Imerys[1]. Did you know this little fellow also aids in lowering acid in lakes? Yep, it’s a fact! Calcium carbonate is the superhero we never knew we needed for our health and the environment. More about Chemical Companies