•African Wildlife Fund
• American Cancer Society
• Americans for Hope, Growth and Opportunity
• Americans for Fair Taxation
• Arthritis Foundation
• Bachurski Associates, Inc.
• The Baltimore Zoo
• The Buyer’s Edge^ฎ
• Catholic Alliance
• Center for Marine Conservation
• Chief Executives Organization
• Consumer Health Advantageฎ
• Consumers Union/Consumer Reportsฎ
• Ehrlich for Maryland Committee
• Elizabeth Dole for President
• Epsilon, Inc.
• Friends of Congresswoman Jennifer Dunn

• Honeywell International
• M.D Anderson Cancer Center
• National Archives
• National Association of REALTORS^ฎ
• The Nature Conservancy
• National Republican Senatorial Committee
• National Taxpayers Union
• 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
• U.S. English, Inc.
• Wal-Mart, Inc.