| Value | Group or Person Making Expense |
|---|---|
| $6,542,379 | Congressional Leadership Fund |
| $5,241,322 | House Majority PAC |
| $3,785,987 | Club for Growth Action |
| $2,756,431 | 314 ACTION |
| $2,638,857 | Democratic Congressional Campaign Committee |
| $2,297,253 | Defending Democracy Together |
| $2,294,903 | National Republican Congressional Committee |
| $1,548,846 | Citizens for Free Enterprise |
| $859,494 | VoteVets |
| $662,158 | Women Vote! |
| $657,771 | Americans for Prosperity |
| $627,504 | Environmental Defense Action Votes |
| $559,462 | End Citizens United PAC |
| $544,226 | With Honor Action |
| $406,842 | 32BJ United American Dream Fund |
| $396,703 | Black PAC |
| $365,199 | Plumbing & Pipefitters - National PAC |
| $344,800 | American Medical Association |
| $301,757 | House Freedom Fund |
| $288,396 | League of Conservation Voters |