Berkshire Hathaway Inc. BRK-A

What this company does

Berkshire Hathaway conducts insurance on both a primary and a reinsurance basis, freight rail transportation and utility and energy generation and distribution, and it also owns and operates businesses in manufacturing, services and retailing. At the end of 2025 the company and its operating subsidiaries employed approximately 387,800 people worldwide, of whom approximately 80% were in the United States and 19% were represented by unions. Berkshire's insurance subsidiaries, domestic and foreign-based, write insurance and reinsurance covering property and casualty risks as well as life and health risks worldwide. BNSF Railway hauls products and commodities from manufacturing, agricultural and natural resource industries across the Midwest, Pacific Northwest, Western, Southwestern and Southeastern regions of the United States and certain of its ports. Berkshire Hathaway Energy Company, headquartered in Iowa, serves approximately 5.4 million retail customers through four regulated U.S. utility companies and holds five interstate natural gas pipeline companies with approximately 20,900 miles of operated pipeline. Its manufacturing subsidiaries are grouped into industrial products, building products and consumer products. Among the service businesses are shared aircraft ownership and professional aviation training programs, distribution of electronic components, franchising and servicing of quick service restaurants, media operations in television and information distribution, and logistics services. Berkshire is domiciled in the state of Delaware and keeps its corporate headquarters in Omaha, Nebraska.

Written from the business description in BERKSHIRE HATHAWAY INC's annual report to the U.S. Securities and Exchange Commission, filed 2 March 2026. Every sentence was checked against that document before publication.