Berkshire Hathaway, Inc. engages in diverse business activities including property and casualty insurance and reinsurance, utilities and energy, freight rail transportation, finance, manufacturing, retailing and services. Its insurance and reinsurance business activities are conducted through domestic and foreign-based insurance entities. The company's insurance businesses provides insurance and reinsurance of property and casualty risks world-wide and also reinsure life, accident and health risks world-wide. The company operates through following business segments: GEICO, General Re Corp., Berkshire Hathaway Reinsurance Group, Berkshire Hathaway Primary Group, BNSF, Berkshire Hathaway Energy, McLane Company, Manufacturing, Service and retailing and Finance and financial products. The GEICO engages in underwriting private passenger automobile insurance mainly by direct response methods. The General Re engages in Underwriting excess-of-loss, quota-share and facultative reinsurance worldwide. The Berkshire Hathaway Reinsurance Group engages in underwriting excess-of-loss and quota-share reinsurance for insurers and reinsurers. The Berkshire Hathaway Primary Group engages in underwriting multiple lines of property and casualty insurance policies for primarily commercial accounts. The BNSF operates one of the largest railroad systems in North America. The Berkshire Hathaway Energy deals with regulated electric and gas utility, including power generation and distribution activities, and domestic real estate brokerage and brokerage franchisor. The McLane company engages in wholesale distribution of groceries and non-food items. The Manufacturing segment engages in manufacturers of numerous products including industrial and end-user products, building products and apparel. The Service and retailing is a provider of numerous services including fractional aircraft ownership programs, aviation pilot training, electronic components distribution and retailing. The Finance and financial products segment is manufactured housing and related consumer financing; transportation equipment, manufacturing and leasing; and furniture leasing. Berkshire Hathaway was founded by Oliver Chace in 1839 and is headquartered in Omaha, NE.