A liberal super PAC that conducts opposition research for Democratic candidates and organizations.
A super PAC focused on keeping the U.S. Senate under Democratic control.
FreedomWorks for America is a super PAC formed by some of the conservative leaders in the tea party movement.
Club for Growth Action, the super PAC of the conservative Club for Growth, largely targets Republicans in primaries and Democrats in the general election.
A conservative group with ties to the National Republican Senatorial Committee and former Nevada Sen. John Ensign.
The Campaign for Primary Accountability is a Texas-based Super PAC funded largely by conservatives that targets long-time House members of both parties.
Pro-Life Super PAC is a political action committee that supports candidates with “a strong pro-life record.”
A pro-Rick Santorum “super PAC” started by a political adviser to former Iowa Rep. Jim Nussle.
A “super PAC” backing Rep. Ron Paul for president. It was created by a Paul donor and fundraiser.
Winning Our Future is a “super PAC” supporting the candidacy of Republican presidential candidate and former House Speaker Newt Gingrich.