| RHODE ISLAND DEMOCRATIC STATE COMMITTEE | $129K | 7 | 2010, 1996, 2012, 2008 |
| NRSC | $76K | 4 | 1996 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $58K | 27 | 2010, 2002, 1996, 2024, 2014, 2006, 1998, 2016, 2004, 2012, 2018, 2022, 2000 |
| AMALGAMATED TRANSIT UNION - COPE | $55K | 46 | 2010, 2002, 1996, 2024, 2014, 2006, 2020, 1998, 2016, 2012, 2018, 2022, 2008 |
| GENERAL DYNAMICS CORPORATION POLITICAL ACTION COMMITTEE (GENERAL DYNAMICS EMPLOYEE PAC) | $52K | 49 | 2002, 1996, 2024, 2014, 2006, 2020, 2016, 2004, 2018, 2022, 2008, 2000 |
| AIR LINE PILOTS ASSOCIATION PAC | $52K | 23 | 2002, 1996, 2014, 2020, 1998, 2018, 2008, 2000 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION VOLUNTARY POLITICAL ACTION COMMITTEE | $51K | 43 | 2002, 1996, 2024, 2014, 2020, 1998, 2018, 2022, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $50K | 37 | 2010, 2002, 1996, 2014, 2006, 2020, 1998, 2004, 2022, 2008, 2000 |
| EMPLOYEES OF RTX CORPORATION POLITICAL ACTION COMMITTEE | $50K | 40 | 2010, 2002, 1996, 2024, 2014, 2006, 2020, 1998, 2016, 2012, 2018, 2022, 2008, 2000 |
| INTERNATIONAL ASSOCIATION OF FIREFIGHTERS INTERESTED IN REGISTRATION AND EDUCATION PAC | $50K | 19 | 2002, 1996, 2024, 2014, 2020, 2004, 2022, 2008 |