| D.R.I.V.E. - DEM, REP, IND VOTER ED (THE PAC OF THE INT'L BRHD OF TEAMSTERS) | $80K | 18 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $71K | 26 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $65K | 17 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $57K | 24 | 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $49K | 36 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $46K | 30 | 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $44K | 26 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $36K | 20 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $32K | 16 | 1996, 1998, 2000, 2002, 2006 |
| COMMUNICATIONS WORKERS OF AMERICA - COPE POLITICAL CONTRIBUTIONS COMMITTEE | $31K | 15 | 1996, 1998, 2000, 2002, 2004, 2008 |