A conservative nonprofit, formerly called the Center to Protect Patient Rights, which gives money to other advocacy groups.
Republican-leaning group that calls itself “the conservative alternative” to AARP.
A fiscally conservative super PAC chaired by TD Ameritrade founder Joe Ricketts.
A Republican, pro-business advocacy group with close ties to other conservative organizations.
A PAC founded by one of the most vocal members of the “birther” movement.
A super PAC and a nonprofit sister organization launched by former Obama White House staffers as a Democratic counter to American Crossroads/Crossroads GPS.
A super PAC that has opposed House incumbents from both parties in primary elections.
A Democratic super PAC created to “protect and expand the Democratic majority in the U.S. Senate.”