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Berkshire Hathaway Inc carries out various businesses including insurance and reinsurance, utilities and energy, freight rail transportation, manufacturing, and retailing and services. The company’s business segments include Insurance, Railroad (BNSF), Utilities and Energy (BHE), Manufacturing, McLane Company (McLane), and Service and Retailing. The Insurance segment includes GEICO, responsible for underwriting private passenger automobile insurance by direct response methods; Berkshire Hathaway Primary Group, underwriting multiple lines of property and casualty insurance policies for primary commercial accounts; and Berkshire Hathaway Reinsurance Group, underwriting excess of loss, quota-share, and facultative reinsurance. The BNSF segment carries out the operation of railroad systems. The BHE segment consists of regulated electricity and utility including power generation, distribution, and real estate brokerage activities. Through its manufacturing segment, the company manufactures industrial, consumer and building products and offers related financial services. The McLane segment executes wholesale distribution of groceries and non-food items. Berkshire Hathaway’s Service and Retailing segment provides services covering shared aircraft ownership programs, aviation pilot training, electronic components’ distribution, and retailing businesses including automobile dealerships, and trailer and furniture leasing.