Berkshire Hathaway, Inc. engages in the provision of property and casualty insurance and reinsurance, utilities and energy, freight rail transportation, finance, manufacturing, retailing, and services. It operates through following segments: GEICO, General Re, Berkshire Hathaway Reinsurance Group, Berkshire Hathaway Primary Group, Burlington Northern Santa Fe, LLC (BNSF), Berkshire Hathaway Energy, McLane Company, Manufacturing, Service and Retailing, and Finance and Financial products. The GEICO segments involves in underwriting private passenger automobile insurance mainly by direct response methods. The General Re offers underwriting excess-of-loss, quota-share, and facultative reinsurance. The Berkshire Hathaway Reinsurance Group segment consist of underwriting excess-of-loss and quota-share reinsurance for insurers and reinsurers. The Berkshire Hathaway Primary Group segment comprises of underwriting multiple lines of property and casualty insurance policies. The BNSF segment operates railroad systems in North America. The Berkshire Hathaway Energy segmetns deals with regulated electric and gas utility, including power generation and distribution activities, and domestic real estate brokerage and brokerage franchisor. The McLane Company segment offers wholesale distribution of groceries and non-food items. The Manufacturing segment includes industrial and end-user products, building products, and apparel. The Service and Retailing segment involves providing fractional aircraft ownership programs, aviation pilot training, electronic components distribution, and retailing. The Finance and Financial Products segment includes manufactured housing and consumer financing; transportation equipment, manufacturing and leasing; and furniture leasing. The company was founded by Oliver Chace in 1839 and is headquartered in Omaha, NE.