| 2009   in billions___Revenue__Profit___P/R Exxon Mobil_______ 442_____45___10%Chevron__________263_____24____9
 Conoco Phillips_____ 231____(17)___(7)
 Valero Energy______118_____(1)___(1)
 Marathon__________76______4____5
 Sunuco___________ 52______1____2
 Tesoro____________28______.3____1
 Murphy Oil_________28______2_____7
 Occidental Petroleum_24______7____29
 total___________1262______65____5% [ http://money.cnn.com/magazines/fortune/fortune500/2009/full_list/ ] 
  Chance favors the informed
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