A convenient one-stop access to the websites of thousands of state agencies and city and county governments.

A extensive list of think tanks that you can sort by political leaning and subject.

"A custom Google search of more than 470 think tank websites."
Note: "For the purposes of this search, think tanks are defined as institutions affiliated with universities, governments, advocacy groups, foundations, non-governmental organizations, and businesses that generate public policy research, analysis, and activity … The list represents a mixture of partisan and non-partisan think tanks." Harvard Kennedy School Library & Knowledge Services.

A directory of public policy organizations arranged by topic.

A communication policy center that addresses the role of communication in politics, adolescent behavior, child development, health care, civics, and mental health, among other important arenas. The Center’s researchers have drafted materials that helped policy-makers, journalists, scholars, constituent groups, and the general public better understand the role that media play in their lives and the life of the nation.

Solution based network for public servants and those working in public policy arenas.

A non-profit, performing objective research and analysis for clients including businesses and government agencies.

A thematic analysis of interest groups and lobbying in American politics over the course of American political history. It explores how interest groups have organized and articulated their support for numerous issues, and how they have they grown – both in numbers and range of activities – to become an integral part of the U.S. political system.

The Center for Responsive Politics is the nation's premier research group tracking money in U.S. politics and its effect on elections and public policy. Nonpartisan, independent, and nonprofit, the organization aims to create a more educated voter, an involved citizenry, and a more transparent and responsive government.

Use the Public Disclosure Search in the list on the left..