This type of retaining wall uses man-made, interlocking blocks of concrete, stone, or cement to build a relatively strong wall. They can be used for small or large retaining walls and are available in a variety of colors and styles to create a variety of looks. This retaining wall delivers astonishing design versatility without complicated installation. This unique, solid-unit system is without equal. Marvelous curves, corners, stairs, freestanding walls, columns, and tall walls all are easily constructed using Interlocking block. In Tulsa, Jenks, Bixby, Broken Arrow, Sand Springs, Owasso, Tulsa OK and surrounding areas.