| SIERRA CLUB POLITICAL COMMITTEE | $111K | 85 | 2002, 1996, 1994, 1998, 2000 |
| DCCC | $95K | 42 | 2002, 1996, 1994, 1998, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $43K | 15 | 2002, 1996, 1994, 1998, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $39K | 11 | 2002, 1996, 1994, 1998, 2000 |
| MICHIGAN DEMOCRATIC STATE CENTRAL COMMITTEE | $35K | 10 | 1996, 1994 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $33K | 16 | 2002, 1996, 1994, 1998, 2000 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | $33K | 18 | 2002, 1996, 1994, 1998, 2000 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $33K | 14 | 2002, 1996, 1994, 1998, 2000 |
| HUMAN RIGHTS CAMPAIGN PAC | $32K | 22 | 2002, 1996, 1994, 1998, 2000 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $31K | 21 | 2002, 1996, 1994, 1998, 2000 |