Project California
- A 501(c)(4) nonprofit organization that brings together recognized experts, opinion leaders, and everyday Californians to develop and explore fresh, innovative solutions to the challenges facing our state in the coming decades.
- http://www.projectcalifornia.org

Public/Private Ventures
- An action-based research, public policy and program development organization. Website features published reports on youth, labor market, community and faith-based initiatives, as well as program replication.
- http://www.ppv.org

Policy Development
- Policy Development brings the first-hand experience of direct service organizations to high-level policy debate, while bringing greater policy awareness to direct service program planning.
- http://www.policydevelopment.org/

Political Research Associates
- Monitors and analyzes the organizations, leaders, ideas, and activities of the US political right.
- http://www.publiceye.org/

Pacific Research Institute
- San Francisco-based public policy think tank promoting individual freedom and personal responsibility.
- http://www.pacificresearch.org

Pioneer Institute
- A Boston-based public policy research institute advocating individual freedom and responsibility, limited and accountable government, and expanded application of free-market principles.
- http://www.pioneerinstitute.org/

Public Policy Forum
- A nonpartisan public policy research organization and good government watchdog.
- http://www.publicpolicyforum.org

Palmetto Institute
- A public policy organization dedicated to creating a business, political and educational environment that increases the personal wealth of every citizen of South Carolina as measured by per capita income.
- http://www.palmettoinstitute.org

Progressive Policy Institute
- A public policy center shaping the "Third Way" governing agenda.
- http://www.ppionline.org/

Public Interest Institute
- A non-profit, non-partisan, public policy research organization located on the campus of Iowa Wesleyan College in Mt. Pleasant, Iowa. The Institute promotes the importance of a free-enterprise economic system and limited government in society based upon i
- http://www.limitedgovernment.org/

Public Policy Institute of California
- A private, non profit organization dedicated to independent, nonpartisan research on California's economic, social, and political issues.
- http://www.ppic.org/

The Priorities Institute
- Explores regional land use planning, sustainable, carfree city design, 21st century constitutions, holistic indexing
- http://www.priorities.org