| DCCC | $158K | 87 | 2010, 2002, 1996, 1994, 2006, 1992, 1984, 1998, 2004, 2008, 1986, 1982, 2000 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $150K | 67 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2008, 1986, 1982, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $137K | 59 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $131K | 64 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2008, 1986, 1982, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $130K | 79 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $126K | 54 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $118K | 64 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2008, 1986, 1982, 2000 |
| UNITED STEELWORKERS POLITICAL ACTION FUND | $107K | 35 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1988, 1998, 2016, 2004, 2012, 2008, 1986 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $107K | 62 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| COMMUNICATIONS WORKERS OF AMERICA - COPE POLITICAL CONTRIBUTIONS COMMITTEE | $106K | 46 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2008, 1982, 2000 |