Organizations
The library shows a politician’s money; this page starts from the givers. Search any organization to see every sitting member who received its money. What a contribution means is up to you—we show the receipts.
2,154 organizations have pages: everyone at $100,000 or more in giving or outside spending. Smaller givers appear on member profiles instead.
Biggest direct givers
Capped, named contributions to campaigns. Most of it is steady industry money, given to hundreds of members of both parties. Bars compare each organization to the biggest giver.
- 1American Israel Public Affairs Committee Political Action CommitteeThe American Israel Public Affairs Committee's political arm. It backs candidates of both parties it considers strong supporters of the U.S.-Israel relationship.$8 million
- 2National Association of Realtors$6.1 million
- 3American Crystal Sugar Company$4.4 million
- 4American Bankers Association (ABA)The trade association for the banking industry.$4.2 million
- 5National Beer Wholesalers AssociationThe trade association for beer distributors. Its PAC is funded by contributions from member companies' employees.$4.2 million
- 6Credit Union National Association, Inc.The trade association for credit unions.$4.1 million
- 7National Automobile Dealers AssociationThe trade association for car and truck dealerships.$3.9 million
- 8American Council of Engineering CompaniesThe trade association for engineering firms.$3.8 million
- 9Council of Insurance Agents & Brokers$3.6 million
- 10American Institute of Certified Public Accountants$3.6 million
Biggest outside spenders
Independent ad spending about candidates. This money never reaches a campaign and is never added to contributions. Solid means spent supporting; hatched means spent opposing. Totals include spending about candidates who are not current members.
- 1FF PACFuture Forward, the main super PAC supporting the Democratic presidential ticket in recent elections.$509.6 million
- 2MAGA Inc.The principal super PAC supporting Donald Trump.$377 million
- 3WinSenate$311.3 million
- 4Senate Leadership FundA super PAC aligned with Senate Republican leadership, spending to win or hold Republican Senate seats.$217.5 million
- 5Protect the House 2024$217 million
- 6House Majority PAC$200.8 million
- 7Americans for Prosperity ActionThe political network founded by the Koch family, which backs candidates favoring lower taxes and less regulation.$179.6 million
- 8America PACA super PAC founded and largely funded by Elon Musk that supported Donald Trump in 2024.$173.8 million
- 9Preserve America PACA super PAC supporting Donald Trump, funded largely by megadonor Miriam Adelson.$112.3 million
- 10Defend American JobsA cryptocurrency-industry super PAC affiliated with Fairshake that spends in support of Republicans.$87.3 million