The five largest railroad companies operating in the United States are BNSF Railway Company, Norfolk Southern Corporation, CSX Corporation, Union Pacific Corporation and Kansas City Southern. In 2013, Norfolk Southern Corporation was sixth in the top ten railroad companies of the world with an approximate value of $23.7 billion.
In 2010, Union Pacific Corporation had an operating revenue of approximately $17 billion. As of 2015, Union Pacific Corporation is also the oldest railroad company still in business.
According to SeekingAlpha.com, in 2014, it was expected that these railroad companies would see an increase in company value ranging from approximately 280 to 745 percent.