| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $94K | 32 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 1986, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $86K | 63 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $84K | 33 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $77K | 37 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $76K | 49 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| DCCC | $73K | 65 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $69K | 39 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| AIR LINE PILOTS ASSOCIATION PAC | $66K | 35 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $66K | 48 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTS POLITICAL ACTION COMMITTEE | $53K | 41 | 1990, 2002, 1996, 1994, 1992, 1988, 1998, 2004, 2000 |