The National Automotive Parts Association has been catering the auto parts distribution system needs for over 80 years. It operates as an automotive aftermarket supplier. The store stocks over 375,000 parts and accessories for automotive and industrial applications in the industry. It manages over 6,000 NAPA Auto Parts Stores nationwide. National Automotive Parts Association operates around 69 distribution centers serving all 50 states. Based in Tucson, Ariz., the firm is one of the leaders in the automotive industry.