Federal Elections Commission: The Commission is an independent government agency that maintains a database of individuals who have made contributions to federally registered political committees. Includes data about campaign fundraising, spending, candidates, committees, and loans and debts. Users can search an individual contributor by their employer or occupation. Bulk download options available.
Registrant Search: Search for registered organizations/lobbying firms by name or browse alphabetically.
Lobbying Disclosures/Contributions database: Search for lobbying disclosures (quarterly biannual reports and registration forms) and lobbying contributions (mid-year and year-end reports).
Registrant Search: Search for registered organizations/lobbying firms by registrant, client, lobbyist, or affiliated organization name.
Lobbying Contributions database: Search lobbying contributions (mid-year and year-end reports) by contributor or payee/honoree.
Third-Party Sources
OpenSecrets: Nonpartisan nonprofit political research group tracking money in U.S. politics and its effect on elections and public policy. Categories of coverage include profiles of candidates and officeholders, financial contributions to campaigns and ballot measures, industry and interest group organizational profiles and expenditures, and lobbying groups and lobbyist overviews. Bulk data options available for educational/research purposes if project application is accepted.
Database on Ideology, Money in Politics, and Elections (DIME): Provides a general resource for the study of campaign finance and ideology in American politics. The database was developed as part an on-going effort to construct a comprehensive ideological mapping of political elites, interest groups, and donors.
