Berkshire Hathaway Inc (NYSE: BRK-B)

Berkshire Hathaway Inc engages in a diverse range of business activities through its subsidiaries. The company operates primarily in insurance, rail transportation, energy, manufacturing, services, and retail. Its decentralized structure allows each business to operate independently while benefiting from strong capital allocation.

Revenue is generated from insurance premiums and investment returns, railroad freight charges, energy sales and services, manufactured goods, and retail product sales. Insurance underwriting collects premiums from policyholders and invests the float to earn interest and dividend income. BNSF earns revenue by transporting goods across its rail network, while BHE sells electricity and natural gas to utility and commercial customers.

The company operates through the following segments: Insurance underwriting, Insurance investment income, BNSF, Berkshire Hathaway Energy, Manufacturing, service and retailing, Investment gains and losses, and Other.

• Insurance underwriting: This segment writes property and casualty, life and health insurance policies through GEICO, BH Primary, and BHRG, collecting premiums and managing claim liabilities.

• Insurance investment income: This segment invests the insurance float in cash, equity securities, and fixed income instruments to generate interest and dividend revenue.

• BNSF: This segment operates one of the largest North American railroads, hauling freight such as consumer products, agricultural goods, industrial items, and coal.

• Berkshire Hathaway Energy: This segment includes regulated electric utilities, natural gas pipelines, renewable energy projects, and a real estate brokerage business, providing power and gas services to customers.

• Manufacturing, service and retailing: This segment comprises industrial manufacturers, building and consumer product makers, service providers such as TTI and aviation businesses, and retail operators including auto dealerships and home furnishing stores.

• Investment gains and losses: This segment reflects unrealized and realized changes in the market value of Berkshire’s equity securities portfolio, affecting earnings through price fluctuations.

• Other: This segment includes investment income not allocated to operating units, foreign exchange gains or losses on debt, equity method earnings from holdings such as Kraft Heinz and Occidental, and acquisition related accounting charges.

Berkshire Hathaway Inc holds a leading position in several industries; GEICO is among the largest private passenger auto insurers in the United States, BNSF ranks as one of the top Class I railroads, and BHE is a major regulated utility operator. Competitive advantages stem from its strong cash flow, disciplined capital allocation, and a decentralized management model that empowers subsidiary leaders.

Berkshire serves a broad customer base that includes individual policyholders seeking auto and property insurance, shippers of agricultural and industrial goods utilizing rail freight, residential and commercial consumers of electricity and natural gas, manufacturers and retailers purchasing its manufactured products, and shoppers visiting its retail stores and service centers.