The Center for Responsive Politics, which is nonpartisan, independent, and nonprofit, offers OpenSecrets.org - a source of data which expose the movement of money in US politics. OpenSecrets, the most comprehensive resource for federal campaign contributions, lobbying data, and analysis, aims to inform and engage Americans, promote transparency, and expose influence on public policy.
United States, federal, state, and local.
You don't know what you don't know.
We’re your guides to getting more data and using it better.