The United States is home to some of the largest global companies. Of the world’s 50 largest public companies by revenue, 21 are based in the United States, including five of the top 10.

Many of the largest American companies are headquartered in the country’s major economic capitals, including New York, Los Angeles, Detroit, Dallas, Houston, and the D.C. metropolitan area. New York City alone is home to the headquarters of dozens of the world’s largest public companies, the most of any city in the United States. Some companies can be found in somewhat smaller, but still substantial business hubs such as California’s Silicon Valley.

43. Texas
> Largest company: Exxon Mobil Corporation (NYSE: XOM)
> Revenue: $226.1 billion
> Headquarters: Irving, TX
> Industry: Energy

For several decades, Irving, Texas-based Exxon Mobil was intermittently the largest U.S. company by revenue, often switching places with Wal-Mart. 2001 was the last year Exxon claimed the title, ceding the top position to Wal-Mart the following year for good. The company’s revenue began declining when oil prices took a nose dive in late 2014 never to recover much since. Exxon reported $226.1 billion in revenue in fiscal 2016, down by about 16% from the previous year. Today Exxon among the top 5 U.S. companies by revenue.

Still, most states, even those that are less populous and lacking a major city, are home to at least one company with $10 billion or more in sales. In fact, many of the largest companies in the country are based in small states such as Nebraska and Arkansas. Based on company filings and estimates of private company figures, as provided by S&P Capital IQ, these are the largest companies in every state.

Click here to see the largest company in every state.
Click here to see our detailed findings and methodology.