| Value | Group or Person Making Expense |
|---|---|
| $6,819,194 | National Republican Congressional Committee |
| $4,152,038 | Democratic Congressional Campaign Committee |
| $3,934,412 | Congressional Leadership Fund |
| $2,355,698 | Independence USA PAC |
| $1,895,172 | House Majority PAC |
| $970,902 | Giffords PAC |
| $930,821 | House Freedom Fund |
| $909,843 | Women Vote! |
| $695,803 | End Citizens United PAC |
| $624,440 | League of Conservation Voters |
| $567,833 | Club for Growth Action |
| $406,879 | NextGen Climate Action |
| $320,052 | Republican Jewish Coalition |
| $290,710 | Change Now |
| $286,550 | Heritage Action for America |
| $272,885 | For Our Future |
| $257,309 | Progressive Turnout Project |
| $177,875 | VoteVets |
| $171,500 | NARAL Pro-Choice America |
| $165,891 | Americans for Prosperity |