Amazon knocks Walmart from the top spot on Fortune 500 for the first time in 13 years

An Amazon delivery van parked in front of the company’s headquarters campus and The Spheres in Seattle. (GeekWire File Photo / Kurt Schlosser) For the first time in 13 years, the Fortune 500 has a new No. The Seattle-based e-commerce and cloud giant knocked Walmart from its familiar perch atop the ranking of the biggest U.S.