Residential & Commercial. Licensed, bonded, insured roc#166469 AZ. Valley's Premier Concrete Curbing Company Since 2001 with Bulk Delivery Of Sand, Rock, Sod And More. Volume and contractor discounts: State wide delivery. Founded in 2001, Cutting Edge Curbing Sand & Rock stays focused on attention to detail, superior workmanship and high-quality customer care. Clients who use our services find our uniformed employees to be professional, friendly and good at what they do. Curbing, lawn edging, tree circles, walkways, driveways, landscape curbing, concrete curbing, property lines, playgrounds, sand boxes, golf courses, parking lots, parking lot curbing, water control and drainage, planter edging, gardens & parks, and many more. Our wide variety of styles, sizes, shapes and colors when it comes to curbing and landscape materials allows you to add a customized, distinctive look to the exterior of your home. We also carry carved tiki statues, which lend a unique touch to the garden.