TannerStone[TM], offered by The Cast Stone Company, is a highly refined architectural stone manufactured from natural aggregates to simulate natural stone. It is The Cast Stone Company's own unique line of cast stone. What sets it apart from other cast stone products is its manufacturing process. TannerStone, which looks exactly like natural hand-crafted stone, can enhance a project, create curb appeal, yet still be very affordable. We have a vast inventory of standard molds and a detailed catalog of shapes and designs which we can offer to the architect and builder.