| Canadian Foundation for the Americas (FOCAL) | | FOCAL is an independent, non-governmental organization dedicated to deepening and strengthening Canada's relations with countries in Latin America and the Caribbean through policy discussion and analysis. |
| Carnegie Council on Ethics and International Affairs | | A nonpartisan, nonprofit organization dedicated to research and education at the nexus of ethics and international affairs. Provides speech transcripts, articles, reviews and other materials on a variety of subjects. |
| 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. Site updated daily. |
| Center for National Policy | | Non-profit, non-partisan public policy organization located in Washington, DC. Contributes to policy debates on issues of U.S. national interest including economic analysis, equal opportunity, community studies and foreign policy. |
| Center for Public Policy Priorities | | A non-partisan research organization committed to improving public policies and private practices that influence the economic and social prospects and conditions of individuals, families, and communities. |
| Center for Retirement Research | | Organization established in 1998 dedicated to the research and dissemination of retirement policy issues as well as to widening access to related data sources. |
| Center of the American Experiment | | A conservative think tank in Minnesota, focusing in improving education, strengthening free market economy and reducing poverty and crime. |
| Centrists.Org | | Policy think tank for centrist and moderate policymakers. Main topics include health care, medicare, wealth-building, pensions and social security, federal budget and taxes, entitlement reform, and economic growth. | |
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