| DCCC | $115K | 29 | 2010, 2012, 2014, 2018 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $68K | 17 | 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $68K | 25 | 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| OCEANS PAC | $65K | 18 | 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $65K | 15 | 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| INTERNATIONAL UNION OF OPERATING ENGINEERS LOCAL 57 POLITICAL ACTION FUND | $64K | 15 | 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| THE COUNCIL OF INSURANCE AGENTS & BROKERS POLITICAL ACTION COMMITTEE | $60K | 21 | 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $59K | 17 | 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $58K | 31 | 2010, 2012, 2014, 2016, 2018, 2020, 2022 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $58K | 18 | 2012, 2014, 2016, 2018, 2020, 2022 |