Answer:
Disney, Coca-Cola, and McDonald's are the first that come to mind. Ford and Chevrolet, Kraft and RJR-Nabisco, PepsiCo, Marlboro, AT&T and Verizon, IBM and Apple, Microsoft, Exxon-Mobil, Proctor & Gamble, Johnson & Johnson, General Electric, Bank of America, JP Morgan Chase, Facebook...there are thousands of significant trademarks in the US.