Haynie’s Lawn and Landscaping specializes in designing and installing segmental retaining walls and is one of the few landscaping companies in the Tri-Cities Tn. Are that is certified by N.C.M.A. (National Concrete Masonry Association) Haynie’s Lawn and Landscaping has also completed the training to become an authorized Belgard Contractor, which enables us to give you a lifetime warranty on some of the products we will use to build your retaining wall! Call us today 423 239-2699 and let one of our professionals meet with you and assess your wants and needs in a retaining wall, then pick from the various textures, colors, and styles of material that will best suit your property. Please check out some of our completed retaining wall projects in our portfolio.