Together, the 31 corporations employ some 8.4 million people. There are a multitude of ways to look at the Fortune Global 500 ranking of the world’s largest companies. The most direct ...

1 in terms of revenue, and it’s the largest retailer in the world. With more than $600 billion in annual revenue, it earns more than most of the other companies on this list by a wide margin.

Interestingly, only two companies in the top 10 largest employers in America appear as a state front-runner. And the map doesn't feature other large companies, like UPS and McDonald's, at all.