American Enterprise Institute: AEI is dedicated to preserving and strengthening the foundations of freedomgovernment, private enterprise, vital cultural and political institutions, and a strong foreign policy and national defense.
Annenberg Public Policy Center: University of Pennsylvania think tank which studies issues of public policy and scholarly interest. Detailed calendar of lectures, conferences, and other events.
Brookings Institution: An independent research and policy institute. Web site contains briefing papers, analyses, and other resources related to many current political issues.
Campaign for America's Future: Policy research project analyzing critical issues facing American economy, for progressives that focuses on issues of social justice like wages, social security and trade.
Carter Center: A nonprofit public policy center founded by Jimmy and Rosalynn Carter to fight disease, hunger, poverty, conflict, and oppression around the world.
Cato Institute: Promoting public policy based on individual liberty, limited government, free markets, and peaceful international relations. Thousands of studies and articles available online as well as streaming audio and video of institute events.
Center for Policy Alternatives - StateAction.org: A progressive public policy and leadership development center serving state legislators, state policy organizations, and state grassroots leaders.
Center for Public Justice: A Christian independent civic education and public policy research organization
Center for Public Leadership: The Center for Public Leadership (John F. Kennedy School of Government, Harvard University) seeks to improve the practice of leadership and citizenship, through research, education and outreach. The Center aims to strengthen the positive effect of those engaged in improving the quality of public life.
Center for Public Policy Priorities: A Texas-focused nonpartisan research organization committed to improving public policies and private practices that influence the economic and social prospects and conditions of individuals, families, and communities.
Century Foundation: A liberal research foundation that undertakes timely and critical analyses of major economic, political, and social institutions and issues.
Competitive Enterprise Institute: A nonprofit public policy organization dedicated to the principles of free enterprise and limited government. Believes that consumers are best helped not by government regulation but by being allowed to make their own choices in a free marketplace.
Heritage Foundation: A conservative think tank that publishes research on domestic, economic, foreign and defense policy.
Hoover Institution: A think tank on the campus of Stanford University, dedicated to research in domestic policy and international affairs, committed to generating ideas that define a free society.
Hudson Institute: A public policy research organization that forecasts trends and develops solutions for governments, businesses and the public. Addresses domestic and international policy issues.
Institute for Policy Studies: A think tank for progressive research and action to create a more responsible society built around the values of justice, nonviolence, sustainability, and decency.
Nelson A. Rockefeller Institute of Government: The institute is the public policy research arm of the State University of New York. It is actively involved in public policy research on the role of state and local governments in American federalism and the management and finances of states and localities in major areas of domestic public affairs.
Rand Corporation: Rand Corporation conducts independent research on important issues such as science and technology, methodology, national security, public policy, justice, health, education, drug policy, and demographics.
Reason Foundation: A national research and educational organization that explores and promotes public policies based on rationality and freedom.
Urban Institute: Investigation and nonpartisan analysis of U.S. social and economic problems and issues, including the New Federalism, welfare and welfaretowork, Social Security, Medicaid, Medicare, disabilities, crime, the nonprofit sector, education, tax policy, labor, housing, and community development issues.