Natural Gas Pipeline Company of America (NGPL), which serves the Chicago market, was acquired through this deal.

In 1999, Kinder Morgan conducted a reverse merger with KN Energy, a utility and pipeline company. After Kinder was denied an expected promotion to replace Kenneth Lay as chief executive officer, he departed the company, purchasing its interest in ELP for $40 million. Its cofounder Rich Kinder had been the president of Enron. Kinder Morgan Energy Partners (KMP) was founded in 1997 when a group of investors acquired the general partner of a small, publicly traded pipeline limited partnership (Enron Liquids Pipeline, L.P.) later renamed Kinder Morgan Energy Partners, L.P. The company's CO 2 division traditionally provides carbon dioxide (CO 2) for enhanced oil recovery projects in North America, but also increasingly for carbon sequestration efforts. The company previously had built a major presence in Canada with the Trans Mountain pipeline, but that infrastructure is now publicly owned and operated. The company has approximately 72,000 mi (116,000 km) of natural gas pipelines and is the largest natural gas pipeline operator in the United States, moving about 40 percent of the natural gas consumed. Kinder Morgan also stores or handles a variety of products and materials at their terminals such as gasoline, jet fuel, ethanol, coal, petroleum coke, and steel.

The company's pipelines transport natural gas, liquefied natural gas, ethanol, biodiesel, hydrogen, refined petroleum products, crude oil, carbon dioxide, and more. Kinder Morgan owns an interest in or operates approximately 83,000 mi (134,000 km) of pipelines and 143 terminals. The company specializes in owning and controlling oil and gas pipelines and terminals. is one of the largest energy infrastructure companies in North America.

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