| ESAFUND | $321K | 5 | 2014 |
| CONGRESSIONAL LEADERSHIP FUND | $274K | 5 | 2020 |
| CONCERNED TAXPAYERS OF AMERICA | $211K | 5 | 2010 |
| AIR LINE PILOTS ASSOCIATION PAC | $164K | 53 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $160K | 47 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 1986, 2000 |
| NRDC ACTION VOTES | $155K | 1 | 2020 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $148K | 43 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1988, 1998, 2004, 2012, 2018, 2008, 1986, 2000 |
| DCCC | $132K | 70 | 1990, 2002, 1996, 1994, 1992, 2020, 1988, 1998, 2004, 1986, 2000 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $131K | 40 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 2020, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 1986, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $131K | 77 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 2020, 1988, 1998, 2016, 2004, 2012, 2018, 2008, 1986, 2000 |