| DCCC | $153K | 35 | 1992, 1994, 2012, 2014, 2016 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $93K | 22 | 1992, 1994, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $88K | 22 | 1992, 1994, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $86K | 24 | 1992, 1994, 1996, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $80K | 31 | 1992, 1994, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $77K | 29 | 1994, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $74K | 33 | 1992, 1994, 2012, 2014, 2016, 2020, 2022, 2024, 2026 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $73K | 18 | 1994, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| NEW YORK LIFE INSURANCE COMPANY POLITICAL ACTION COMMITTEE | $63K | 26 | 1992, 1994, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $63K | 15 | 1994, 2012, 2014, 2016, 2018, 2020, 2022 |