Berkshire Hathaway Cooperation, one of the world's largest property and casualty insurance companies, was founded by Warren Buffett in 1956 and is headquartered in Omaha, U.S.A. In the 2013 World 500 ranking, Berkshire Hathaway was ranked 18th. Berkshire Hathaway is ranked 18th in the 2013 World 500. In addition to its main business of insurance, the company has invested in companies in various industries such as Sizzler Candy, BYD, Berlinton Northern Santa Fe Railway, Kraft Foods 、、、、 Heinz, and others. Also known as Pocahontas Hathaway Inc.