You need to enable JavaScript to view this site.
Skip to Content
Rankings
See All Rankings
Fortune 500
Global 500
40 Under 40
GREAT PLACE TO WORK LISTS
Best MBA Programs
Magazine
Newsletters
Podcasts
More
Video On Demand
Fortune Live Media
Fortune Connect
Fortune Education
SEARCH
SEARCH
NEW
A vastly improved search engine helps you find the latest on companies, business leaders, and news more easily.
SIGN IN
Rank
310
Previous Rank
167
CEO
Ronald E. Compton
Employees
40,212
Website
www.aetna.com
Previous: 309
309
Rockwell International Corporation
Korea Electric Power Corporation
311
Next: 311