Mario Gambino & Sons Landscaping is proud to be an Authorized and Award-Winning distributor and installer for Unilock, America’s premier paving stone and retaining wall manufacturer. We back our products with a 5 year warranty and as an Authorized & Certified contractor of Unilock products, we provide our customers with a lifetime guarantee on materials. Our commitment to providing excellent Unilock sales and service has garnered us the Unilock Award for Outstanding Workmanship, as well as the Unilock Award for Outstanding Sales Performance for an astounding four years running! Contact us today and help make this our fifth year!