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Rank: 2 in Computers

What's a petabyte? Oh, just 1,000 terabytes of data -- or a quadrillion bytes -- in other words, a level of data that not long ago would have required a company to keep a staff of storage administrators to manage.

As data crunching becomes ever more crucial to companies' health, EMC is simplifying the task of managing those hefty information loads. Hardware and software storage systems and cloud-based solutions help customers manage their valuable data troves.

A focus on cloud computing is helping boost sales. EMC's consolidated revenue jumped 21% last year, and EMC expects this growth to continue.

NEXT: Hewlett-Packard
Last updated March 08 2011: 6:02 AM ET
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