| DCCC | $111K | 37 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $85K | 48 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $81K | 29 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $80K | 30 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $76K | 32 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $75K | 25 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| GENERAL DYNAMICS CORPORATION POLITICAL ACTION COMMITTEE (GENERAL DYNAMICS EMPLOYEE PAC) | $75K | 57 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $72K | 21 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $70K | 30 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| D.R.I.V.E. - DEM, REP, IND VOTER ED (THE PAC OF THE INT'L BRHD OF TEAMSTERS) | $69K | 23 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |