Capstone Holding Corp. is a growing platform of building products companies, focused on serving residential and commercial construction markets across the United States. The company is headquartered in Alsip, Illinois and currently employs 38 full-time employees. The firm operates through its subsidiary, TotalStone, LLC (doing business as Instone). TotalStone, LLC has a building products distribution network that services 32 U.S. states. TotalStone, LLC distributes masonry stone products for residential and commercial construction in the Midwest and Northeast United States under the trade names Instone and Northeast Masonry Distributors (NMD). The firm offers stone veneers, hardscape materials, and modular masonry systems. Its brands include Aura, Pangea Stone, Toro Stone, Beon Stone, and Interloc. The company also offers products under other brands, such as Cultured Stone, Dutch Quality, and Isokern.