Top 50 Wal-Mart's on top. Which other companies made the top 50 this year? (more)
The biggest losers What automaker lost a whopping $38.7 billion in 2007? See the 20 worst Fortune 500 money losers. (more)
Best big companies to work for See more than 30 companies that made both the Fortune 1000 and Best Companies to Work For lists this year. (more)
7 of 20
7. Berkshire Hathaway
Fortune 500 rank: 11
2007 profit: $13.21 billion

With a $200 billion market value, Warren Buffett's Berkshire Hathaway is still making the right picks.

2007 profits rose 20% on sales of $118 billion. That's off slightly from the previous year, when earnings grew by 29%. Still, the investment management company managed to skate past the market downturn that roiled Wall Street.

NEXT: Wal-Mart Stores

Last updated April 24 2008: 11:07 AM ET