Merck & Co. Inc. / Eli Lilly / DTE Energy Company / American Water Works Company Inc. / Intel Corporation International / PPG Industries Inc. / General Electric Company Hess Corporation / Company EMC Corporation / Clark Corporation / Ford Motor Company Freeport / Praxair Inc. / Weyerhaeuser Company Xcel Energy Inc. / 3M Company Abbott Laboratories Alcoa Inc. / Palmolive Company Comerica Incorporated Computer / Sempra Energy / AT&T Inc. / Waste Management Inc. / The Mosaic Company / Ford Motor Company / NextEra Energy Inc. / International Paper Company Johnson Controls Inc. / Becton / Dickinson and Company / Autodesk Inc. / Spectra Energy Corp / Aldrich Corporation / The Estee Lauder Companies Inc. / Baker Hughes Incorporated / American Electric Power Company Inc. / Campbell Soup Company / Newmont Mining Corporation / Dominion Resources Inc. / Texas Instruments Incorporated / Baxter International Inc. / McMoRan Copper & Gold Inc. / Masco Corporation / Medtronic Inc. / ConAgra Foods Inc. / Southwest Airlines Co. / Ball Corporation / Public Service Enterprise Group Incorporated / Sprint Corp. / /