CEO since June 2007: John G. Stumpf
When Wells Fargo completed its $15 billion purchase of Wachovia on the last day of 2008, the bank's customer base immediately doubled.
Even better: the acquisition's impact on the company's bottom line. Earnings jumped 362% last year, to $12.3 billion, a performance that helped make Wells' chief John Stumpf, who started his career as a baker, the country's highest paid banker.
NEXT: 4. Dollar General