15 Largest Ecommerce Companies in the World

8. Costco (NASDAQ:COST)

E-commerce Revenue – $ 26,052,000,000

Operating in the wholesale retail format, Costco, is the second largest retailer in the world after only Walmart. The company operates e-commerce sites in several countries including e-commerce sites in the U.S., Canada, the United Kingdom, Mexico, Korea, Taiwan, Japan, and Australia..

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