The Top 25 companies based on the annual ranking by America’s popular Fortune Magazine:

  1. Wal-Mart Stores
  2. Exxon Mobil
  3. General Motors
  4. Chevron
  5. ConocoPhillips
  6. General Electric
  7. Ford Motor
  8. Citigroup
  9. Bank of America Corp.
  10. American Intl. Group
  11. J.P. Morgan Chase & Co.
  12. Berkshire Hathaway
  13. Verizon Communications
  14. Hewlett-Packard
  15. Intl. Business Machines
  16. Valero Energy
  17. Home Depot 
  18. McKesson
  19. Cardinal Health
  20. Morgan Stanley
  21. UnitedHealth Group
  22. Merrill Lynch
  23. Altria Group
  24. Goldman Sachs Group
  25. Procter & Gamble. 

 The whole list: http://money.cnn.com/magazines/fortune/fortune500/2007/full_list/