Our annual ranking of America's largest corporations

Industries
Revenues Profits
Rank Company Fortune 500 rank $ millions % change from 2009 $ millions % change from 2009
1 Medco Health Solutions 34 65,968.3 10.3 1,427.3 11.5
2 Express Scripts 55 44,989.7 81.8 1,181.2 42.7
3 Quest Diagnostics 320 7,368.9 -1.2 720.9 -1.1
4 Omnicare 371 6,199.5 -0.7 -106.1 -150.1
5 Laboratory Corp. of America 447 5,003.9 6.6 558.2 2.7
Rank Company Revenues % Assets % Stockholders'
Equity %
1 Medco Health Solutions 2.2 8.3 35.8
2 Express Scripts 2.6 11.2 32.8
3 Quest Diagnostics 9.8 8.5 17.9
4 Omnicare -1.7 -1.4 -2.8
5 Laboratory Corp. of America 11.2 9.0 22.6
Earnings Per Share Total Return to Investors Employees
Rank Company 2000-2010 Annual growth (%) 2000-2010 Annual rate (%) 2010 (%) Number % change from 2009
1 Medco Health Solutions N.A. N.A. -4.1 24,025 7.4
2 Express Scripts N.A. 23.8 25.1 13,170 -7.7
3 Quest Diagnostics 22.3 4.8 -10.0 42,000 -2.3
4 Omnicare N.A. 1.9 5.5 14,475 0.2
5 Laboratory Corp. of America 20.7 7.2 17.5 31,000 10.7
Issue date: May 23, 2011
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Microsoft 38
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Intel 56
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Exxon Mobil $30,460.0
AT&T $19,864.0
Chevron $19,024.0
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