Berkshire Hathaway is a holding company that operates in insurance, freight rail transportation, utility and energy, manufacturing, and services and retailing businesses. Its insurance business offers property, casualty, life, accident, and health insurance and reinsurance, and its utility and energy business generates, transmits, and distributes electricity. The company’s manufacturing business offers chocolates and confectionery products and also retails automobiles, furniture, bedding, accessories, household appliances, electronics, etc.