| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $106K | 41 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $104K | 29 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $95K | 43 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $93K | 35 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $90K | 69 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $89K | 43 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $88K | 39 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $87K | 56 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| AMERICAN DENTAL ASSOCIATION POLITICAL ACTION COMMITTEE | $81K | 39 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $73K | 43 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |