| DCCC | $192K | 65 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $63K | 20 | 1996, 1998, 2000, 2002, 2004, 2006 |
| INDIANA DEMOCRATIC CONGRESSIONAL VICTORY COMMITTEE | $56K | 12 | 1996, 1998, 2000, 2002, 2004, 2006 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $55K | 11 | 1996, 1998, 2000, 2002, 2004, 2006 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $55K | 16 | 1996, 1998, 2000, 2002, 2004, 2006 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $50K | 19 | 1996, 1998, 2000, 2002, 2004, 2006 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $50K | 11 | 1996, 1998, 2000, 2002, 2004, 2006 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $47K | 16 | 1996, 1998, 2000, 2002, 2004, 2006 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $46K | 23 | 1996, 1998, 2000, 2002, 2004 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $44K | 12 | 1996, 1998, 2000, 2002, 2004, 2006 |