| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $95K | 19 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| DCCC | $93K | 34 | 2010, 2012, 2014, 2016, 2018 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $85K | 23 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $85K | 22 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024 |
| INTERNATIONAL UNION OF PAINTERS AND ALLIED TRADES POLITICAL ACTION TOGETHER POLITICAL COMMITTEE | $83K | 23 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| INTERNATIONAL BROTHERHOOD OF BOILERMAKERS CAMPAIGN ASSISTANCE FUND | $82K | 27 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| D.R.I.V.E. - DEM, REP, IND VOTER ED (THE PAC OF THE INT'L BRHD OF TEAMSTERS) | $78K | 22 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $77K | 34 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $74K | 33 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $71K | 24 | 2010, 2012, 2014, 2016, 2018, 2020, 2022, 2024, 2026 |