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19. Hewlett-Packard
Fortune 500 rank: 14
2007 profit: $7.26 billion

Hewlett-Packard's profit grew 17% last year, as the personal computer-maker extended its lead over Dell to clinch the top PC sales spot.

Its popular laptops drove a 14% revenue gain.

NEXT: Intel

Last updated April 24 2008: 11:07 AM ET