| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $103K | 54 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $100K | 33 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $98K | 36 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $96K | 55 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $95K | 24 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008 |
| UA UNION PLUMBERS & PIPEFITTERS VOTE! PAC (UNITED ASSOCIATION OF JOURNEYMEN AND APPRENTICES OF THE PLUMBING & PIPEFITTING INDUSTRY OF THE UNITED STATES AND CANADA) | $90K | 25 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $90K | 30 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008 |
| AMERICA'S CREDIT UNIONS PAC OF CREDIT UNION NATIONAL ASSOCIATION, INC. | $89K | 44 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $88K | 26 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $85K | 21 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008 |