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26. Knight
2007 revenue: $11.5 billion
Fiscal year end: Dec. 31
2007 Employees: 7,600
Industry: Pipelines
CEO: Richard D. Kinder
Location: Houston, Texas

Formerly known as Kinder Morgan Inc., Knight owns, has interests in or operates more than 25,000 miles of pipelines and 165 terminals in North America. The company was taken private in 2007 by investors including CEO Richard D. Kinder and other senior members of Kinder Morgan. Companies under its umbrella include Kinder Morgan Energy Partners and Kinder Morgan Management.

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Last updated May 28 2008: 12:40 PM ET
Changed name from Kinder Morgan, May 30, 2007.