AIPAC
Arthur Anderson, LLP
Axinn, Veltrop & Harkrider
Bright Automotive
Brookings Institution
Campaign for Postal Reform
CONRAD
Dutko Worldwide
GE
Financial Planning Coalition
Free File Alliance
George C. Marshall Foundation
Greater Washington Board of Trade
Grocery Manufacturers Association (GMA)
Health Industry Group Purchasing Association (HIGPA)

Information Technology Industry Council
Island Press
The League of Conservation Voters
Leiner Health Products
Level Field Institute
Online Publishers Association
Paul, Hastings, Janofsky & Walker LLP
Personal Care Products Council
Peterson Foundation
RR Donnelley
Software and Information Industry Association
Success Trade Securities
United Nations Foundation
The Washington Post
Zuckerman Spaeder, LLP