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19. Symantec
Symantec
Fortune 500 rank: 419

The Silicon Valley software security firm's profits rose a healthy 14.7% to $463.9 million, while sales 13% to $5.9 billion. The boost to profits was due in part to $59 million gained from the settlement of litigation.

NEXT: SAIC
Last updated April 29 2009: 1:31 PM ET
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