| NATIONAL ASSOCIATION OF REALTORS CONGRESSIONAL FUND | $283K | 7 | 2018 |
| CAPUANO FOR SENATE COMMITTEE | $275K | 2 | 2010 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $90K | 55 | 2010, 2002, 2014, 2006, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $84K | 20 | 2010, 2002, 2006, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $80K | 25 | 2010, 2002, 2014, 2016, 2004, 2012, 2018, 2008, 2000 |
| LIBERTY MUTUAL INSURANCE COMPANY - PAC | $76K | 31 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2018, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $72K | 44 | 2010, 2002, 2014, 2006, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $71K | 34 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2018, 2008, 2000 |
| AIR LINE PILOTS ASSOCIATION PAC | $71K | 35 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2018, 2008, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $70K | 47 | 2010, 2002, 2014, 2006, 2020, 1998, 2016, 2004, 2012, 2018, 2008, 2000 |