Corporations:
- Aetna, Inc.
- Alliance for Digital Progress
- American Bankers Association
- American Beverage Association
- American Gaming Association
- American Hawaii Cruises
- AMPAL, Inc.
- Auto Alliance
- Bankers Trust Company
- Barkin, Herman, Solochek, & Paulsen Inc.
- Bell Atlantic
- Blue Cross Blue Shield
- Campaigns & Elections Magazine
- Coca Cola
- Delta Queen Steamboat Company
- Detroit Institute of Arts Museum
- Dr. Pepper/7-UP
- EcoEnergy
- Electri-cities
- Elron Electronic Industries Ltd.
- Fannie Mae
- Fleishman-Hillard, Inc.
- Fortune Magazine
- Fujifilm Corporation, Ltd.
- Genentech
- George Magazine
- George Washington University
- GTE
- Intuit
- Lyft
- The Kamber Group
- Massmutual, Inc.
- Madison Square Garden
- Masters Marketing Group
- MCI Center (Washington, DC)
- MGM
- Nestlé
- Olympia & York
- Oracle
- PepsiCo
- PhRMA
- Potomac Electric Power Company (PEPCO)
- Recology
- Regional SBC Operating Companies
- Sallie Mae
- Spirit Mountain Casino
- T-Mobile
- United Airlines
- United Water
- Univision
- US Against Alzheimer’s
- U.S. News & World Report
- Verizon
- Viejas Casino
- Waldorf Astoria Hotel
- Washington Wizards
- Worldcell