| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $56K | 26 | 1986, 1988, 1990, 1992, 1994, 1996, 2020, 2022, 2024, 2026 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $42K | 24 | 1986, 1988, 1990, 1992, 1994, 1996, 2020, 2022, 2024, 2026 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $41K | 20 | 1986, 1988, 1990, 1992, 1994, 1996, 2020, 2022, 2024, 2026 |
| D.R.I.V.E. - DEM, REP, IND VOTER ED (THE PAC OF THE INT'L BRHD OF TEAMSTERS) | $40K | 11 | 1986, 1990, 1992, 1994, 1996, 2020, 2022, 2024, 2026 |
| UA UNION PLUMBERS & PIPEFITTERS VOTE! PAC (UNITED ASSOCIATION OF JOURNEYMEN AND APPRENTICES OF THE PLUMBING & PIPEFITTING INDUSTRY OF THE UNITED STATES AND CANADA) | $40K | 12 | 1988, 1990, 1992, 1994, 1996, 2020, 2022, 2024, 2026 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $38K | 14 | 1986, 1988, 1990, 1992, 1994, 1996, 2020, 2022, 2024, 2026 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $34K | 27 | 1986, 1988, 1990, 1992, 1994, 1996, 2024, 2026 |
| AMERICAN CRYSTAL SUGAR COMPANY POLITICAL ACTION COMMITTEE | $33K | 11 | 1994, 1996, 2020, 2022, 2024, 2026 |
| AMERICAN ISRAEL PUBLIC AFFAIRS COMMITTEE POLITICAL ACTION COMMITTEE | $30K | 11 | 2022, 2024, 2026 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $30K | 20 | 1988, 1990, 1992, 1994, 1996, 2020, 2022, 2024 |