AIPAC
Alliance for Microbicides Development
Air Transport Association of America
Alliance for Quality Nursing Care
American Health Care Association
Americans for Better Education
Arizona REALTORS
Arthur Anderson, LLP
Axinn, Veltrop & Harkrider
ARA Services
AT&T
Bright Automotive
Broadwater
Brookings Institution
Business Round Table
Campaign for Postal Reform
Champion International
The Coalition For Change
CONRAD
Dutko Worldwide
Free File Alliance

George C. Marshall Foundation
Georgians for Quality Economic Development
Get Georgia Moving Coalition
Greater Washington Board of Trade
Information Technology Industry Council

Island Press

The League of Conservation Voters
Leiner Health Products
Level Field Institute
The National Association of Broadcasters
National Association of Realtors
The National Building Museum
National Federation of Independent Business
National Outdoor Leadership School
Online Publishers Association
Paul, Hastings, Janofsky & Walker LLP

Personal Care Products Council
The Pebble Partnership, LLC
Pennsylvania Electric Company
Political I.Q.
Renewable Fuels Association
Ripon Society
RR Donnelly
SAP
Seniors Coalition
Software and Information Industry Association
Success Trade Securities
Tyson Foods, Inc.
UNF
United BioSource Corporation
United Nations Foundation
The Washington Post
Wheelabrator Environmental Systems
Zuckerman Spaeder, LLP