• American Association of Orthopaedic Surgeons
• American Association of Neurological Surgeons                                                              American Osteopathic Association
• American Cancer Society
• Arthritis Foundation
• Bachurski Associates, Inc.
• The Baltimore Zoo
• The Buyer’s Edge^®
• Catholic Alliance
• Center for Marine Conservation
• Chief Executives Organization
• Consumer Health Advantage®
• Consumers Union/Consumer Reports®
• Ehrlich for Maryland Committee
• Maryland Historical Society
• Epsilon, Inc.
• Friends of Congresswoman Sue Kelly

• Honeywell International
• M.D Anderson Cancer Center
• National Archives
• National Association of REALTORS^®
• The Nature Conservancy
• National Republican Senatorial Committee
• National Association of Home Builders
• North Shore Animal League
• Odell & Simms, Inc. 
• Porter-Novelli
• Qorvis Communications
• Republican National Committee
• Smithsonian Museum of American History
• Smithsonian Air and Space Museum
• U.S. Chamber of Commerce
• Wal-Mart, Inc.