American Enterprise Institute for Public Policy Research - (conservative) dedicated to preserving and strengthening the foundations of freedom--limited government, private enterprise, vital cultural and political institutions, and a strong foreign policy and national defense--through scholarly research, open debate, and publications.
AEI-Brookings Joint Center - The primary purpose of the Joint Center is to hold lawmakers and regulators accountable for their decisions by providing thoughtful, objective analyses of existing regulatory programs and new regulatory proposals.
The Atlas Economic Research Foundation - To discover, develop and support intellectual entrepreneurs worldwide who have the potential to create independent public policy institutes and related programs.
The Brookings Institution - (centrist) an independent, nonpartisan organization devoted to research, analysis, and public education with an emphasis on economics, foreign policy, governance, and metropolitan policy.
Cato Institute - (conservative-libertarian) Public Policy Analysis, Limited Government, Free Markets
Competitive Enterprise Institute (CEI)- Advancing Liberty - From the Economy to Ecology
Economic Policy Institute (EPI) - (liberal) a nonprofit, nonpartisan think tank that seeks to broaden the public debate about strategies to achieve a prosperous and fair economy.
The Heartland Institute - a nonprofit organization devoted to turning ideas into social movements that empower people.
The Heritage Foundation - (conservative) a research and educational institute whose mission is to formulate and promote conservative public policies based on the principles of free enterprise, limited government, individual freedom, traditional American values, and a strong national defense.
The Hoover Institution - (conservative) a public policy research center devoted to advanced study of politics, economics, and political economy—both domestic and foreign—as well as international affairs.
Institute for International Economics - (centrist) a private, nonprofit, nonpartisan research institution devoted to the study of international economic policy.
Institute for Policy Studies - (liberal) While other think tanks celebrate the virtues of unrestrained markets and individualism, IPS is building partnerships to create a more responsible society.
Joint Center for Political and Economic Studies - (liberal) focuses on a broad range of public policy issues of concern to African Americans and other communities of color.
Manhattan Institute for Policy Research - a think tank whose mission is to develop and disseminate new ideas that foster greater economic choice and individual responsibility.
National Center for Policy Analysis - The NCPA's goal is to develop and promote private alternatives to government regulation and control, solving problems by relying on the strength of the competitive, entrepreneurial private sector.
Reason Foundation - (conservative/libertarian) to advance a free society by developing, applying, and promoting libertarian principles, including free markets, individual liberty, and the rule of law.
Liberty International - a network of individuals and associations in over 90 countries dedicated to building a free and peaceful world through the ideals of free markets, social tolerance and individual responsibility.
The Future of Freedom Foundation - The mission of The Future of Freedom Foundation is to advance freedom by providing an uncompromising moral and economic case for individual liberty, free markets, private property, and limited government.
Issues & Views - a forum for dissidents, conservatives, and plain old mavericks-- all those who are concerned about liberties lost, especially through the ongoing exploitation of race.