National Institute on Money in State Politics
The National Institute on Money in State Politics was founded in 1999. according to its website it:
"...a nonpartisan 501(c)3 tax-exempt charitable organization dedicated to accurate, comprehensive and unbiased documentation and research on campaign finance at the state level. The Institute develops searchable databases, makes them available to the public online, and analyzes the information to determine the role campaign money plays in public policy debates in the states. The Institute also publishes studies and provides technical assistance and training to reporters, academic researchers and public interest groups that work on state policy issues."
The Institute is supported by the Carnegie Corporation of New York, the Ford Foundation, the JEHT Foundation, the Joyce Foundation, the Albert A. List Foundation, the Open Society Institute, the Rockefeller Brothers Fund, The Pew Charitable Trusts and Sunlight Foundation.
It is also supported by "data sales to newspapers and university researchers; contracts for custom research and in-depth studies on the influence of money in politics; list enhancement projects with nonprofit organizations and foundations; and contributions from individuals concerned with transparency and accountability in the public sector."