Since 1955, when the first FORTUNE 500 was created, more than 1,800 companies have appeared on the list. Many of these companies have changed names over this period, owing to mergers, acquisitions ...

Wal-Mart knocks Exxon Mobil out of the top slot to rule the Fortune 500 again. See the full list of America's largest corporations, including detailed company profiles and contact information. More ...