Capstone Holding Corp. is a building products distribution company specializing in stone and masonry solutions for the residential and commercial construction markets in the United States. The company operates as a national platform, leveraging a network of distribution businesses to serve contractors, builders, and other construction professionals across multiple states. Its current portfolio includes Instone, a wholesale distributor focused on thin veneer stone and related masonry products, offering manufactured and natural stone, hardscape materials, and complementary accessories. Capstone Holding Corp. emphasizes value-added distribution, using its logistics, sales coverage, and product breadth to support projects ranging from single-family homes to larger commercial developments. By concentrating on specialized building materials and maintaining broad geographic coverage, the company plays a role in linking manufacturers with regional and local demand in the U.S. construction supply chain. Founded in 1987 and headquartered in Alsip, Illinois, Capstone Holding Corp. operates today as a focused platform within the building products sector.