Berkshire Hathaway Inc., through its subsidiaries, engages in insurance, freight rail transportation, and utility businesses. It provides property, casualty, life, accident, and health insurance and reinsurance; and operates railroad systems in North America. The company also generates, transmits, stores, and distributes electricity from natural gas, coal, wind, solar, hydro, nuclear, and geothermal sources; operates natural gas distribution and storage facilities, interstate pipelines, and compressor and meter stations; and holds interest in coal mining assets. In addition, it offers real estate brokerage services; and leases transportation equipment and furniture. Further, the company manufactures boxed chocolates and other confectionery products; specialty chemicals, metal cutting tools, and components for aerospace and power generation applications; flooring, insulation, roofing and engineered, building and engineered components, paints and coatings, and bricks and masonry products

Berkshire Hathaway Inc., through its subsidiaries, engages in insurance, freight rail transportation, and utility businesses. It provides property, casualty, life, accident, and health insurance and reinsurance; and operates railroad systems in North America. The company also generates, transmits, stores, and distributes electricity from natural gas, coal, wind, solar, hydro, nuclear, and geothermal sources; operates natural gas distribution and storage facilities, interstate pipelines, and compressor and meter stations; and holds interest in coal mining assets. In addition, it offers real estate brokerage services; and leases transportation equipment and furniture. Further, the company manufactures boxed chocolates and other confectionery products; specialty chemicals, metal cutting tools, and components for aerospace and power generation applications; flooring, insulation, roofing and engineered, building and engineered components, paints and coatings, and bricks and masonry products