10. American Intl. Group The hurricane forecasts in 2006 were dire, but the season turned out to be tame. So AIG saw a 20% reduction in the number of property and casualty claims it had to field, which in 2005 had escalated due to Wilma and Katrina. Earnings jumped 34% to $14 billion. |  Wal-Mart retakes the No. 1 slot on the Fortune 500 this year. See where America's largest corporations rank, and why. (more)  See the 37 companies that made both the Fortune 1000 and Best Companies to Work For lists this year. (more) |
