| Value | Group or Person Making Expense |
|---|---|
| $11,836,876 | Crossroads GPS |
| $7,438,439 | US Dem - Senatorial Campaign Ctte (DSCC) |
| $6,654,760 | US Rep - National Republican Senatorial Committee (NRSC) |
| $6,047,970 | Majority PAC |
| $4,921,410 | Independence Virginia PAC |
| $4,494,618 | US Chamber of Commerce |
| $2,081,248 | League of Conservation Voters |
| $1,370,266 | Service Employees International Union |
| $1,061,567 | SEIU Committee on Political Education |
| $728,653 | American Crossroads |
| $701,414 | National Rifle Association |
| $696,850 | National Education Assn |
| $694,064 | VoteVets |
| $631,143 | Freedomworks for America |
| $597,201 | Americans for Prosperity |
| $352,180 | House Majority PAC |
| $346,000 | National Republican Victory Fund PAC |
| $335,396 | National Federation of Independent Business (NFIB) |
| $317,856 | American Commitment |
| $292,997 | Americans for Tax Reform |