BRK.A

Berkshire Hathaway is a diversified holding company that owns and operates businesses across many industries. It owns insurance companies that sell property, casualty, life, and health insurance; a major North American railroad; and utility companies that generate and distribute electricity and natural gas. The company also owns manufacturers of products ranging from See's chocolates to prefabricated homes, aircraft parts, and batteries, along with retailers like Nebraska Furniture Mart and GEICO car insurance, and various service businesses including car dealerships and aircraft leasing.