| E.K.O.M.E.: An independent institute promoting free-market economics and a strong Greek presence in international politics. |
| Economic Policy Institute: Nonprofit, nonpartisan think tank that seeks to broaden the public debate about strategies to achieve a prosperous and fair economy. |
| Edmund G. "Pat" Brown Institute of Public Affairs: A non-partisan policy center collaborating with community organizations, public officials, business and labor, and schools and universities to offer programs on community development and family empowerment. |
| Entertainment Industries Council, Inc.: EIC's mission is to lead the entertainment industry in bringing its power and influence to bear on health and social issues. |
| Ethan Allen Institute Home Page: Vermont's free-market public policy research and education organization - a "think tank" for issues affecting Vermonters. |
| Ethics and Public Policy Center: Seeks to clarify and reinforce the bond between the Judeo-Christian moral tradition and the public debate over domestic and foreign policy issues. Its program includes research, writing, publication, and conferences. Located in Washington, DC. |
| European Jewish Congress / Congrès Juif Européen: The European Jewish Congress (EJC), a federation of 38 national Jewish communities in Europe. |
| Evergreen Freedom Foundation: Advancing individual liberty, free enterprise and responsible government in Washington State and nationwide. Teachers vs. unions, health and welfare reform, the Taxpayer's Titanic. |