| DCCC | $111K | 96 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $96K | 38 | 1986, 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| SEAFARERS POLITICAL ACTIVITY DONATION - SEAFARERS INTERNATIONAL UNION OF NA-AGLIW | $93K | 31 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $90K | 22 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $88K | 27 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $85K | 42 | 1986, 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| INTERNATIONAL LONGSHORE AND WAREHOUSE UNION -- POLITICAL ACTION FUND | $79K | 48 | 1986, 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $79K | 40 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $78K | 51 | 1986, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $78K | 46 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |