Berkshire Hathaway Inc. is an American multinational conglomerate holding company headquartered in Omaha, Nebraska, United States, that oversees and manages a number of subsidiary companies.
The company wholly owns GEICO, Dairy Queen, Fruit of the Loom, Helzberg Diamonds and NetJets, owns half of Heinz and has significant minority holdings in American Express, M&T Bank, Procter & Gamble, and IBM.