| 1 | Seiu Cope (Service Employees International Union Committee on Political Education) | 3 | $2,750,000 |
| 2 | Communications Workers of America Working Voices | 3 | $1,250,000 |
| 3 | United Steelworkers Political Action Fund | 1 | $750,000 |
| 4 | Michael, Bloomberg R | 1 | $500,000 |
| 5 | American Federation of State County and Municipal Employees Afl-Cio | 2 | $500,000 |
| 6 | Nea Advocacy Fund | 2 | $450,000 |
| 7 | Nebraska Railroaders for Public Safety | 1 | $250,000 |
| 8 | International Union of Painters and Allied Trades Political Action Together Political Comm | 3 | $100,000 |
| 9 | National Air Traffic Controllers Association PAC | 1 | $100,000 |
| 10 | Aft Solidarity 527 | 1 | $75,000 |
| 11 | International Brotherhood of Teamsters | 1 | $50,000 |
| 12 | Sixteen Thirty Fund | 1 | $50,000 |
| 13 | Afl-Cio Cope Political Contributions Committee | 1 | $50,000 |
| 14 | Machinists Non Partisan Political League of the International Association of Machinists & | 1 | $15,000 |