Our annual ranking of America's largest corporations

Industries
Revenues Profits
Rank Company Fortune 500 rank $ millions % change from 2008 $ millions % change from 2008
1 Constellation Energy 149 15,598.8 -21.3 4,443.4 N.A.
2 AES 156 14,690.0 -9.2 658.0 -46.7
3 American Electric Power 172 13,489.0 -6.6 1,357.0 -1.7
4 Energy Future Holdings 246 9,546.0 -16.0 344.0 N.A.
5 NRG Energy 263 8,952.0 29.6 942.0 -20.7
6 Williams 276 8,255.0 -33.2 285.0 -79.9
7 Integrys Energy Group 302 7,499.8 -46.6 -70.9 -156.1
8 Calpine 338 6,564.0 -33.9 149.0 1390.0
9 Global Partners 368 5,818.4 -35.5 34.1 62.1
10 UGI 369 5,737.8 -13.7 258.5 20.0
Rank Company Revenues % Assets % Stockholders'
Equity %
1 Constellation Energy 28.5 18.9 51.1
2 AES 4.5 1.7 14.1
3 American Electric Power 10.1 2.8 10.3
4 Energy Future Holdings 3.6 0.6 N.A.
5 NRG Energy 10.5 4.0 12.1
6 Williams 3.5 1.1 3.4
7 Integrys Energy Group -0.9 -0.6 -2.5
8 Calpine 2.3 0.9 3.3
9 Global Partners 0.6 3.2 21.7
10 UGI 4.5 4.3 16.2
Earnings Per Share Total Return to Investors Employees
Rank Company 1999-2009 Annual growth (%) 1999-2009 Annual rate (%) 2009 (%) Number % change from 2008
1 Constellation Energy 29.0 5.2 46.8 7,200 -29.4
2 AES 5.4 -9.8 61.5 27,000 8.0
3 American Electric Power 1.0 6.1 10.6 21,673 -1.1
4 Energy Future Holdings N.A. N.A. N.A. 9,030 10.8
5 NRG Energy N.A. N.A. 1.2 4,607 30.7
6 Williams -0.2 -1.1 49.7 4,801 2.1
7 Integrys Energy Group N.A. 11.2 6.2 5,025 -3.2
8 Calpine N.A. N.A. 51.1 2,046 -0.1
9 Global Partners N.A. N.A. 127.5 250 13.6
10 UGI 15.1 18.1 2.2 9,700 2.1
Issue date: May 3, 2010.
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Rank # of Fortune 500 Companies
California 57
Texas 57
New York 56
Company 2009 $ (millions)
Exxon Mobil $19,280.0
Microsoft $14,569.0
Wal-Mart Stores $14,335.0
FAQ and methodology
Included in the survey are U.S. incorporated companies filing financial statements with a government agency. This includes private companies... More
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