Amazon is the world’s largest online retailer, and it still grows in other areas such as the physical retail stores, subscription services, and web services. That said, it comes as no surprise that the company has rivals in all these industries. In the retail sector, Amazon’s main rivals are Target, Walmart, Best Buy, and Costco. Netflix, Apple, and Google are Amazon’s main competitors in the subscription services department. Finally, Amazon’s rivals are Oracle, Microsoft, and IBM when it comes to the web services category.