Raleigh Nc Concrete Supplies and Products. The concrete experts at Turning Point Supply in Charlotte North Carolina and Raleigh North Carolina are ready to help you with the best concrete material systems and products available from leading specialty and decorative concrete manufacturers. With over fifty years of construction experience and our dedication to personal support and advice, we can make sure you have the right products and the right application information for a successful project.Please call us to talk about your work, or visit one of our showrooms in Charlotte North Carolina (704-333-4235) or Raleigh North Carolina (919-794-7442), for the best decorative and specialty concrete material systems. Our warehouses are fully stocked with the product you need.