| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $267K | 13 | 2010, 2014, 2020, 2018 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | $191K | 21 | 2010, 2014, 2020, 2016, 2012, 2018 |
| LOUISIANA TRUTH PAC | $93K | 11 | 2010 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $55K | 21 | 2010, 2014, 2020, 2016, 2012, 2018 |
| ENTERGY CORPORATION EMPLOYEE POLITICAL ACTION COMMITTEE (ENPAC) | $53K | 23 | 2010, 2014, 2020, 2016, 2012, 2018 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $51K | 39 | 2010, 2014, 2020, 2016, 2012, 2018 |
| SEAFARERS POLITICAL ACTIVITY DONATION - SEAFARERS INTERNATIONAL UNION OF NA-AGLIW | $50K | 21 | 2010, 2014, 2020, 2016, 2012, 2018 |
| UA UNION PLUMBERS & PIPEFITTERS VOTE! PAC (UNITED ASSOCIATION OF JOURNEYMEN AND APPRENTICES OF THE PLUMBING & PIPEFITTING INDUSTRY OF THE UNITED STATES AND CANADA) | $50K | 11 | 2010, 2014, 2020, 2016, 2012, 2018 |
| ENGINEERS POLITICAL EDUCATION COMMITTEE (EPEC)/INTERNATIONAL UNION OF OPERATING ENGINEERS | $50K | 15 | 2010, 2014, 2020, 2016, 2012, 2018 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $49K | 27 | 2010, 2014, 2020, 2016, 2012, 2018 |