Follow the money in U.S. politics
Trace who funds politicians and who profits from government spending — PAC contributions, lobbying expenditures by issue, and federal contractor awards, linked across three official federal datasets by entity resolution.
According to U.S. Federal Election Commission and Senate Office of Public Records filings (as of March 2026), PlainInfluence links more than 7,000 politicians and 8,000 organizations across campaign-finance, lobbying, and federal-contract records — see our methodology for how figures are sourced.
- 7,124
- Politicians tracked
- 8,765
- Organizations
- $3.7B
- PAC contributions
- $196.9M
- Lobbying spending
Who spends the most to lobby Washington
Top organizations by reported federal lobbying spend, from Senate LDA filings.
Top lobbying spenders
Top contribution recipients
All politicians →Biggest organizational spenders
All organizations →Top lobbying issues
All issues →Understanding political money
Follow the Money
How to look up any politician's donors using FEC campaign finance data.
Top Government Contractors
Who gets the most federal money and how contract awards work.
Lobbying Explained
Who spends billions to influence policy and how Senate LDA disclosures work.
Campaign Finance 101
PACs, Super PACs, dark money, and how political money flows.
Explore the data
Live database-driven views into U.S. political influence — politicians, organizations, state aggregates, and rankings drawn directly from FEC, lobbying, and contract records. See all rankings.
All politicians
FEC-tracked politicians, sorted live by total contributions received, office, and election cycle.
BrowseState influence profiles
State-level aggregates of contributions, lobbying, and federal contracts from official filings.
RankingsInfluence rankings
Top-N rankings drawn live from the politicians, organizations, and contributions tables.
Data sourced from the Federal Election Commission (FEC) bulk data (2024 cycle), U.S. Senate Lobbying Disclosure Act (LDA) filings (2023–2024), and USAspending.gov federal contracts. Entity resolution links organizations across all three datasets. This site is for informational purposes only and is not affiliated with any government agency.
Frequently Asked Questions
Where does PlainInfluence get its political money data?
Data comes from three federal sources: the Federal Election Commission (FEC) for campaign contributions, the U.S. Senate Office of Public Records for lobbying disclosures under the Lobbying Disclosure Act, and USAspending.gov for federal contract awards.
How many politicians and organizations are tracked?
PlainInfluence tracks 7,124 politicians and 8,765 organizations — corporations, PACs, and lobbying firms — linked across campaign-finance, lobbying, and contract records by entity resolution.
Is PlainInfluence free?
Yes. You can search politicians, organizations, and lobbying data with no account or payment. All figures come from public federal disclosures in the public domain.
How current is the lobbying and contribution data?
FEC contribution data and Senate lobbying disclosures update as new filings are released. Lobbying disclosures are filed quarterly; FEC data refreshes on a rolling basis.