Ethics and Public Policy Center
Acton Institute for the Study of Religion and Liberty
The Future of Freedom Foundation
Institute for Policy Innovation
The American Enterprise Institute
Ashbrook Center for Public Affairs
The Competitive Enterprise Institute
Foreign Policy Research Institute
The Forum for International Policy
The James A. Baker III Institute for Public Policy
The National Center for Policy Analysis
The National Center for Public Policy Research
The Center for the National Interest
The Pacific Research Institute
Project for the New American Century
The Nelson A. Rockefeller Institute of Government
The Annenberg Public Policy Center
Carnegie Endowment for International Peace
Center for Responsive Politics
Center for Strategic & Budgetary Assessments
Center for Strategic & International Studies
Center for the Study of the Presidency
Committee for Economic Development
Council for Excellence in Government
Employee Benefit Research Institute
Institute for International Economics
Institute for Science & International Security
Mathematica Policy Research, Inc.
National Center for Public Policy and Higher Education
National Coalition on Health Care
Strategic Studies Institute of the U.S. Army War College
United States Institute of Peace
Washington Institute for Near East Policy
Center for Economic and Policy Research
The Center for Law and Social Policy
The Center on Budget and Policy Priorities
Institute for Research on Poverty
Institute for Women’s Policy Research
Joint Center for Political and Economic Studies
Project on Government Oversight
Center for Science in the Public Interest
Fairness & Accuracy in Reporting
The Institute for Policy Studies