| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $106K | 46 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 2000 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $101K | 30 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $100K | 57 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $91K | 43 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2012, 2018, 2008, 2000 |
| INTERNATIONAL LONGSHOREMEN'S ASSOCIATION COMMITTEE ON POLITICAL EDUCATION | $85K | 42 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2012, 2018, 2008, 2000 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $83K | 45 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 2000 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $80K | 68 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 2000 |
| INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL 68 POLITICAL ACTION COMMITTEE | $75K | 42 | 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2008, 2000 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $74K | 47 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 2000 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $72K | 54 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |