AutoZone, Inc. is a top retailer of aftermarket automotive parts in the United States with a low risk rating score of 11.0. With over 6,300 stores nationwide, they cater to both DIY and commercial markets. Their wide range of stock-keeping units cover various vehicle makes and models, ensuring ample product availability for consumers. AutoZone also offers superior customer service with knowledgeable staff assisting customers in diagnosing, selecting, and sometimes even installing parts. Additionally, the company has a global presence with over 750 stores in Mexico and 100 stores in Brazil.