For more than 50 years, Fortune Magazine has been ranking America's biggest corporations. The Fortune 500 is more than just a list, it's a symbol for money, power and prestige.
Topping this list for the second year in a row is Wal-Mart. Also on the list are a number of oil companies, including ConocoPhillips and Exxon Mobil, the government-owned finance company Fannie Mae and Warren Buffett's Berkshire Hathaway. Here's the entire top 10 list:
Bank of America
Leigh Gallagher, Fortune's Assistant Managing Editor, talks to American Morning about which companies made this year's list.