Berkshire Hathaway Inc. and its subsidiaries are engaged in diverse business activities, including insurance and reinsurance, utilities and energy, freight rail transportation, manufacturing, services and retailing. The Company's segments include Insurance; Railroad (BNSF); Berkshire Hathaway Energy (BHE); Pilot Travel Centers (Pilot); Manufacturing; McLane Company (McLane), and Service and retailing. The Insurance segment includes GEICO, Berkshire Hathaway Primary Group and Berkshire Hathaway Reinsurance Group. The BNSF segment includes operation of railroad systems in North America through Burlington Northern Santa Fe, LLC. The BHE segment offers regulated electric and gas utilities. The Manufacturing segment manufacturers various products, including industrial, consumer and building products. The McLane segment is engaged in wholesale distribution of groceries and non-food items. The Pilot segment is an operator of travel centers in North America and a marketer of wholesale fuel.