The Top Ten  May 21 - 28    

Richest Americans, 2010
(in billions of U.S. dollars)

Rank Name Net Worth Company
1. Bill Gates 54 Microsoft
2. Warren Buffett 45 Berkshire Hathaway
3. Larry Ellison 27 Oracle
4. Christy Walton 24 Walmart
5. Charles Koch 21.5 manufacturing, energy
5. David Koch 21.5 manufacturing, energy
7. Jim Walton 20.1 Walmart
8. Alice Walton 20 Walmart
9. S. Robson Walton 19.7 Walmart
10. Michael Bloomberg 18 Bloomberg
Source: Forbes.com, 2010