They are not only visionary, they're scary smart.
These companies made it into the second 500. How long until they break into the first?
See 25 of Fortune's favorite covers from past 500 issues, and tell us which one is your favorite.
Exxon Mobil knocks Wal-Mart from the top spot. Who else made the top 50 this year?
The following execs served in just about every branch of the U.S. military prior to climbing the corporate heights, some for as long as 28 years.