| AFSCME | N/A · N/A | DC | 20081017 | $1.5M |
| AFSCME | N/A · N/A | DC | 20081024 | $1.2M |
| AFSCME | N/A · N/A | DC | 20080721 | $1.0M |
| State Victory Action | N/A · N/A | NC | 20180717 | $701K |
| AFSCME | N/A · N/A | DC | 20081028 | $500K |
| Change to Win Political Education | N/A · N/A | DC | 20080828 | $500K |
| AFSCME | N/A · N/A | DC | 20081113 | $500K |
| NEA Advocacy Fund | N/A · N/A | DC | 20161004 | $450K |
| AFSCME | N/A · N/A | DC | 20081021 | $450K |
| Service Employees International Union | N/A · N/A | DC | 20080919 | $400K |
| AFSCME | N/A · N/A | DC | 20080926 | $400K |
| AFSCME | N/A · N/A | DC | 20161012 | $400K |
| Workers' Voice | N/A · N/A | DC | 20141022 | $315K |
| Change to Win Political Education | N/A · N/A | DC | 20080912 | $300K |
| AFSCME | N/A · N/A | DC | 20180928 | $300K |
| Communications Workers of America | N/A · N/A | DC | 20090527 | $300K |
| Patriot Majority West | N/A · N/A | DC | 20080902 | $300K |
| Communications Workers of America | N/A · N/A | DC | 20080912 | $300K |
| AFT Solidarity | N/A · N/A | DC | 20211129 | $254K |
| AFSCME | N/A · N/A | DC | 20100618 | $250K |
| Massachusetts Teachers Association | N/A · N/A | MA | 20060830 | $250K |
| AFSME | n/a · n/a | DC | 20120827 | $250K |
| America Votes | N/A · N/A | DC | 20101008 | $250K |
| Better Future for New Mexico | N/A · N/A | NM | 20221001 | $250K |
| NEA Advocacy Fund | N/A · N/A | DC | 20181003 | $250K |
| America Votes | N/A · N/A | DC | 20101018 | $250K |
| 1199 SEIU - NYS Political Action Fund | N/A · N/A | NY | 20061014 | $250K |
| NEA Advocacy Fund | n/a · n/a | DC | 20120920 | $250K |
| AFT Solidarity | N/A · N/A | DC | 20141022 | $250K |
| AFSCME | N/A · N/A | DC | 20160913 | $250K |
| Better Future for New Mexico | N/A · N/A | NM | 20200924 | $245K |
| Better Future for New Mexico | N/A · N/A | NM | 20181009 | $240K |
| Service Employees International Union | N/A · N/A | DC | 20080919 | $200K |
| 1199 SEIU - NY Political Action Fund | N/A · N/A | NY | 20060720 | $200K |
| Democratic Governors' Association | N/A · N/A | DC | 20060922 | $200K |
| AFSCME | N/A · N/A | DC | 20080826 | $200K |
| VoteVets.Org Action Fund | N/A · N/A | NY | 20100618 | $200K |
| 1199 SEIU - NYS Political Action Fund | N/A · N/A | NY | 20060720 | $200K |
| 1199 SEIU | N/A · N/A | NY | 20091007 | $200K |
| Patriot Majority West | N/A · N/A | DC | 20100715 | $200K |
| Southwest Regional Council of Carpenters PAC | N/A · N/A | NM | 20121004 | $180K |
| Service Employees International Union | N/A · N/A | DC | 20080930 | $170K |
| America Votes | N/A · N/A | DC | 20100909 | $150K |
| AFT Solidarity | N/A · N/A | DC | 20210910 | $150K |
| Patriot Majority West | N/A · N/A | DC | 20100722 | $150K |
| AFT Solidarity | N/A · N/A | DC | 20211018 | $137K |
| United Food & Commercial Workers Union, CLC | N/A · N/A | DC | 20080815 | $125K |
| DRIVE Committee | N/A · N/A | DC | 20081002 | $125K |
| DRIVE Committee | N/A · N/A | DC | 20080909 | $125K |
| Civic Action Participation Fund | N/A · N/A | DC | 20180928 | $110K |