Partial List

21st Century Oncology
Aetna Inc.
Alliant Energy Corporation
Allied Waste Industries Inc
Altria Corporate Services, Inc.
American Academy of Neurology Professional Association
American College of Radiology
American Crystal Sugar Company
American Electric Power (AEP)
American Express Company
American Family Mutual Insurance Group
American Gas Association
American Nurses Association
American Speech-Language- Hearing Association
American Veterinary Medical Association
AmerisourceBergen - PharMerica
Aristotle, Inc.
Ashland Inc.
Assurant, Inc.
AT&T
Atlanta Apartment Association
Autozone
BAE Systems
Baker & Daniels
Best Buy Co., Inc.
Blank Rome Government Relations LLC
BNFL, Inc.
BP America, Inc.
Bristol-Myers Squibb Co.
CapAd Communications, Inc.
CAPTEL
Caremark Rx, Inc.
Cash America International Inc.
Caterpillar Inc.
CB&I
Centene Corporation
Cincinnati Bell Telephone Co.
Cinergy Corp.
Coca-Cola Enterprises Inc.
College of American Pathologists
Comcast
Constellation Energy Group
Coors Brewing Company
CVS/Caremark
DaimlerChrysler Corp
Darden Restaurants, Inc.
Deere & Company
Democracy Data & Communications, L.L.C.
Detroit Regional Chamber
DigitalGlobe
Dittus Communications
Duke Energy Corporation
Eastman Chemical Company
Entergy Corporation
Entergy Texas
Exelon Corporation
Experian
FedEx Corporation
Florida Power & Light Company
FMC Corporation
Ford Motor Company
GetActive Software, Inc.
GlaxoSmithKline
Gnossos Software, Inc.
Great Lakes Dredge & Dock
Great River Energy
H.J. Heinz Company
Hallmark Cards, Inc.
HealthMarkets
Herbalife International of America, Inc.
Holland & Knight LLP
Home Builders Association of Central Arizona
Household International, Inc.
International Sign Association
Jackson National Insurance Co.
Johnson & Johnson
KeySpan Energy Delivery
Lakeland Area Chamber of Commerce
Ligand Pharmaceuticals
Marathon Oil Corporation
McDonald's Corporation
MCI
McKennan Long & Aldridge LLP
Michael E. Dunn & Associates, Inc.
Microsoft Corporation
MidAmerican Energy Company
Moore & Van Allen PPLC
Mutual of Omaha Insurance Company
Mylan Laboratories Inc.
National Association of Home Builders
National Beer Wholesaler's Association
National Retail Federation
National Semiconductor Corporation
National Write Your Congressman, Inc.
Nationwide Insurance Companies
NRG Energy, Inc
Nortel
Nuclear Energy Institute
Oracle USA, Inc.
Orbital Sciences Corporation
PacifiCare Health Systems Inc.
Pennsylvania National Mutual Casualty Insurance Company
Pfizer
Philips Electronics North America Corp.
Portland General Electric Company
Progress Energy
PSE&G
Public Affairs Resources, Inc.
Publix Super Markets, Inc.
Salt River Project
SAP America, Inc.
Securities Industry & Financial Markets Association
Siemens Corporation
Southern Company
Sprint Corporation
State and Federal Communications, Inc.
Sunoco, Inc.
Synovus Financial Corporation
Target Corporation
Texas Credit Union League
Texas Rural Water Association
Texas Soft Drink Association
Textron Inc.
The AES Corporation
The Direct Impact Company
The Hartford Financial Services Group
The Procter & Gamble Company
Tractebel North America
Tree Care Industry Association
TRW Automotive
U.S. Chamber of Commerce
Unisys Corporation
United Technologies Corporation
Vocus, Inc.
Wachovia Corporation
Wal-Mart Stores, Inc.
Washington Group International
WCI, Inc.
WellPoint Health Networks, Inc.
Weyerhaeuser Company
Whirlpool Corporation
Wyeth Pharmaceuticals