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.

A national research and educational organization that explores and promotes public policies based on rationality and freedom.

The RPPI, a division of the Reason Foundation, is a national public policy think tank based in Los Angeles.

The Research Forum on Cuba is designed to improve the level of understanding and quality of policy discussion on the immediate issues and longer-term trends and challenges facing Cuba.

List of official sites of 200 leading think tanks and policy groups around the world, mostly in the United States.

The Finnish Association for the Club of Rome, Finland's national chapter of the a non-profit economic and policy research organization. Overview and sample publications provided in English; substantial additional content available in Finnish.