Campaign Finance sites Federal Election Commission This is the official FEC site where you can find out about campaign finance law and reporting schedules. Most importantly, the agency now posts campaign filing reports on-line in electronic format within 48 hours. Center for Responsive Politics This non-partisan watchdog groups provides a rich campaign finance database, allowing reporters to search donors by industry and find the top recipients from any business or sector. They also have good soft money data. Public Disclosure Portions of this site are now for (paying) members only. Free sections include: House and Senate campaign finance data; presidential campaign finance datal; politician PACs, 527s and defense fund foundations. Search by donor, donor zip code, employer, or by PAC.