Berkshire Hathaway, Inc. is a holding company, which engages in the provision of property and casualty insurance and reinsurance, utilities and energy, freight rail transportation, finance, manufacturing, and retailing services. It operates through the following segments: Insurance, Burlington Northern Santa Fe, LLC (BNSF), Berkshire Hathaway Energy (BHE), Pilot Travel Centers (PTC), Manufacturing, McLane, and Service and R