Indoor Tennis

National Sports Products offers everything you need to complete your indoor tennis facility including high quality posts and nets, court accessories, custom protective padding, divider netting and backdrop curtains. NSP, a division of Douglas Industries, Inc. is a USA manufacturer with over 50 years of experience. With NSP you are buying quality custom made products directly from the manufacturer and you can count on Douglas’s meticulous reputation that you are getting a finished product that is unsurpassed in the Tennis industry.