Corporations (From Top, Left to Right): Wal-Mart Stores, Exxon Mobil, Chevron, General Electric, Bank of America Corp., ConocoPhillips, AT&T, Ford Motor, J.P. Morgan Chase & Co., Hewlett-Packard, Berkshire Hathaway, Citigroup, Verizon Communications, McKesson, General Motors, American International Group, Cardinal Health, CVS Caremark, Wells Fargo, International Business Machines, UnitedHealth Group, Procter & Gamble, Kroger, AmerisourceBergen, Costco Wholesale, Valero Energy, Archer Daniels Midland, Boeing, Home Depot, Target, WellPoint, Walgreen, Johnson & Johnson, State Farm Insurance Cos., Medco Health Solutions, Microsoft, United Technologies, Dell, Goldman Sachs Group, Pfizer, Marathon Oil, Lowe's, United Parcel Service, Lockheed Martin, Best Buy
via: CNN Money
