| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $79K | 21 | 1992, 1994, 1996, 1998, 2000, 2002, 2004 |
| DCCC | $75K | 71 | 1992, 1994, 1996, 1998, 2000, 2002, 2004 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $74K | 20 | 1992, 1994, 1996, 1998, 2000, 2002, 2004 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $74K | 26 | 1992, 1994, 1996, 1998, 2000, 2002, 2004 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $73K | 26 | 1992, 1994, 1996, 1998, 2000, 2002, 2004 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $66K | 18 | 1992, 1994, 1996, 1998, 2000, 2002, 2004 |
| COMMUNICATIONS WORKERS OF AMERICA - COPE POLITICAL CONTRIBUTIONS COMMITTEE | $61K | 19 | 1992, 1994, 1996, 1998, 2000, 2002, 2004 |
| AMERICAN ACADEMY OF OPHTHALMOLOGY INC POLITICAL COMMITTEE (OPHTHPAC) | $58K | 20 | 1992, 1994, 1996, 1998, 2000, 2002, 2004 |
| EYEPAC POLITICAL ACTION COMMITTEE FOR AMERICAN SOCIETY OF CATARACT AND REFRACTIVE SURGERY | $55K | 19 | 1994, 1996, 1998, 2000, 2002, 2004 |
| AMERICAN HOSPITAL ASSOCIATION PAC | $53K | 27 | 1994, 1996, 1998, 2000, 2002, 2004 |