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"Anadarko was formed in 1959 as a subsidiary of Panhandle Eastern Corporation Pipe Line Company after the discovery of large amounts of natural gas in the Anadarko Basin, which underlies the Texas Panhandle and Oklahoma Panhandle, and southwest Kansas.

In 1986, Panhandle Eastern Corporation distributed its interests in Anadarko to its shareholders via a corporate spin-off in 1986.[3]

In 1999, the company purchased a 7.5-acre (30,000 m2) tract in The Woodlands, Texas from the Woodlands Land Company to build an 800,000-square-foot (74,000 m2), 32-story headquarters building, on the site.[4] In 2012, the company began construction of another office tower adjacent to its headquarters.[5] The company named its two office towers after former CEOs.[6] The buildings were completed in 2014.[7]

In April 2000, the company acquired Union Pacific Resources in a $4.4 billion transaction."
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"In April 2014, Anadarko settled with the U.S. Department of Justice and the Environmental Protection Agency to pay $5.15 billion to clean up environmental waste sites around the country.

 It was the largest environmental contamination settlement in American history."

https://en.wikipedia.org/wiki/Anadarko_Petroleum
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Indeed, the 153-year-old Union Pacific—often referred to as “UP” within the rail industry—is not only outpacing Buffett’s railroad but also beating almost every other industrial company in the Fortune 500.

The old-economy warhorse generates profits at a rate that rivals those of the best tech, pharmaceutical, and financial services companies.

 In 2014, Union Pacific logged $5.18 billion in net profits on sales of $24 billion, for a return-on-revenues ratio of 21.6%. By that measure, the railroad company ties Apple (21.6%) (AAPL, -0.66%) and beats J.P. Morgan (21.3%) (JPM, -0.25%), Goldman Sachs (21.1%) (GS, -0.57%), Intel (20.9%) (INTC, -2.21%), Google (20.2%) (GOOG, -1.30%), and Pfizer (18.4%) (PFE, -0.56%).

The only non-oil industrial enterprise that ranks higher is forest products producer Weyerhaeuser (22.9%) (WY, -0.71%), whose sales are one-third those of Union Pacific’s.
"

http://fortune.com/2015/06/04/union-pacific-railroad/