DESI Manufacturing has been manufacturing a complete line of interlocking concrete paving stones, tumble stones, retaining walls and garden blocks for over three decades. DESI Manufacturing is located in Long Island, NY and we're one of the largest manufacturers and distributors in the area. We offer complete commercial and residential products for driveways, patios, walkways, pool decks, sidewalks, atriums, terraces and parking lots. From basic applications to more advanced projects, we meet our clients with the resources to design, create and build a custom installation virtually anywhere on your property.