| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | $237K | 12 | 2010, 2014, 2016, 2012, 2008 |
| DCCC | $178K | 68 | 2010, 2012, 2008 |
| EMILYS LIST | $86K | 37 | 2010, 2008 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $75K | 18 | 2010, 2014, 2016, 2012, 2008 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $53K | 13 | 2010, 2014, 2016, 2012, 2018, 2008 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $50K | 16 | 2010, 2014, 2016, 2012, 2008 |
| EMPLOYEES OF RTX CORPORATION POLITICAL ACTION COMMITTEE | $50K | 37 | 2010, 2014, 2016, 2012, 2018, 2008 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $48K | 28 | 2010, 2014, 2016, 2012, 2018, 2008 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $45K | 11 | 2010, 2014, 2016, 2012, 2018, 2008 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $43K | 12 | 2010, 2014, 2016, 2012, 2018, 2008 |