Capstone Holding Corp. engages in the distribution of masonry stone products in the Midwest and Northeast United States. Its masonry stone products include manufactured and natural stone cladding products, natural stone landscape products, and related goods for residential and commercial construction. The company was formerly known as Capstone Therapeutics Corp. and changed its name to Capstone Holding Corp. in February 2022. The company was incorporated in 1987 and is based in Alsip, Illinois.