You need to enable JavaScript to view this site.
Skip to Content
Rankings
See All Rankings
Fortune 500
Global 500
40 Under 40
Magazine
Newsletters
Podcasts
COVID-19
More
Video On Demand
Fortune Live Media
Fortune Connect
SEARCH
SEARCH
SIGN IN
Rank
7
Previous Rank
5
CEO
Robert E. Allen
Address
6001 Bollinger Canyon Rd., San Ramon, CA 94583
Website
www.att.com
Previous: 6
6
International Business Machines Corporation
Mobil Corporation
8
Next: 8