Capstone Holding Corp. is a building products distribution company. The Company operates through its subsidiary, TotalStone, LLC (TotalStone). TotalStone has a building products distribution network that services 31 U.S. states. TotalStone 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). Its products include stone veneer, landscape stone, and modular masonry fireplaces. Its brands include Cultured Stone, Dutch Quality, Isokern, Aura, Pangea Stone, Toro Stone, Beon Stone, and Interloc.