Nautilus Institute for Security and Sustainable Development  
   A policy-oriented research and consulting organization. Promotes international cooperation for security and ecologically sustainable development. Programs embrace both global and regional issues, with a focus on the Asia-Pacific region.
   http://www.nautilus.org

New Policy Institute  
   A progressive, independent think tank, focusing on government policy for services, from health and education to finance.
   http://www.npi.org.uk

National Social Norms Resource Center  
   The National Social Norms Resource Center promotes and provides assistance in applying the social norms approach to various health, safety and social justice issues, including alcohol and tobacco risk-reduction.
   http://www.socialnorm.org

The National Center for Public Policy Research  
   A conservative policy institute covering Congress, insider political information, the environment, regulations, legal reform, retirement security, Social Security, race relations, campaign reform, and affirmative action.
   http://www.nationalcenter.org/

New America Foundation  
   Attempts to bring new voices and new ideas to the fore of America's public discourse and seeks to reshape the American public debate by investing in outstanding individuals and ideas that transcend the conventional political spectrum.
   http://www.newamerica.net/

National Legal Foundation  
   A non-profit Christian constitutional litigation firm and policy think tank committed to restoring America's Biblical foundations.
   http://www.nlf.net/

National Center for Policy Analysis  
   A nonprofit public policy research institute.
   http://www.ncpa.org/

The Nation Institute  
   A liberal-left independently funded and administered organization, committed to a just society and the principles of the First Amendment.
   http://www.nationinstitute.org/

New Jersey Policy Perspective  
   New Jersey Policy Perspective is a nonpartisan, nonprofit organization that conducts research on public policy issues in New Jersey.
   http://www.njpp.org/

Nevada Policy Research Institute  
   Nevada-based non-partisan and non-profit public policy research and education organization.
   http://www.npri.org

National Institute for Labor Relations Research  
   The Institute provides the supplementary analysis and research necessary to expose the inequities of compulsory unionism.
   http://www.nilrr.org

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 localiti
   http://www.rockinst.org/

The New Zealand Institute  
   A privately funded think-tank that is committed to generating new and creative debate, ideas, and solutions that contribute to building a better and more prosperous New Zealand for all New Zealanders.
   http://nzinstitute.org