12. Altria Group The tobacco king posted $12 billion in profits last year, up 15%, despite flat sales of $70.3 billion. In March, the world's largest cigarette maker spun off its Kraft Foods division. |  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) |
