Maruo Calcium Co., Ltd. manufactures and sells calcium carbonate and other industrial raw materials in Japan. Its products include colloidal, light, ground, and food-additive calcium carbonates, animal feeds, hydrated and quick lime, wet silica products, and minerals such as talc, clay, and silica powder. These products are used in sealants, adhesives, plastisols, films, plastics, paints, inks, rubber, and food additives. The company also imports and distributes wet silica products. Formerly known as Maruo Seifun Goshi Company, it changed its name to Maruo Calcium Co., Ltd. in August 1963, was founded in 1926, and is headquartered in Akashi, Japan.