8. AT&T
Jobs lost: 19,940
% drop (1 year): 7%
Remaining employees*: 282,720
Fortune 500 rank: 7
The telecom underwent a corporate reorganization, resulting in a 5% reduction of its global workforce, mostly in its landline operations and business services. In December 2008, the company announced it would lay off 12,000 workers, but more cuts followed. By March 2010, AT&T had laid off an additional 6,440 employees.
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Last updated May 13 2010: 9:10 AM ET
* Full-time equivalent employees as of the end of 2009
