| WORKING FOR US POLITICAL ACTION COMMITTEE INC | $148K | 10 | 2012 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $120K | 43 | 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2008, 1986, 1982, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $112K | 60 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $110K | 46 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $108K | 69 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $105K | 55 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $104K | 46 | 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $95K | 44 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2016, 2004, 2012, 2018, 2008, 1986, 1982, 2000 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $94K | 40 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1988, 1980, 2016, 2004, 2012, 2018, 2008, 1986, 2000 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $76K | 21 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1988, 1998, 2016, 2004, 2018, 2008 |