American Electric Power Company, Inc.
Anadarko Petroleum Corporation
Caesars Entertainment Corporation
Cognizant Technology Solutions Corporation
DaVita HealthCare Partners Inc.
Freeport-McMoRan Copper & Gold Inc.
Frontier Communications Corporation
Harman International Industries, Inc.
The Hartford Financial Services Group
The Interpublic Group of Companies, Inc.
PricewaterhouseCoopers International Limited
Principal Financial Group, Inc.
Public Service Enterprise Group, Inc.
R. R. Donnelley & Sons Company
Rockwell Automation Corporation
State Farm Insurance Companies
Suffolk Construction Company, Inc.
Texas Instruments Incorporated
Tishman Speyer Properties, L.P.