| DCCC | $133K | 69 | 2010, 2002, 2014, 2006, 2004, 2008, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $82K | 39 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008, 2000 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $76K | 47 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008, 2000 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | $76K | 27 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $72K | 32 | 2010, 2002, 2014, 2006, 2004, 2012, 2008, 2000 |
| EMPLOYEES OF NORTHROP GRUMMAN CORPORATION PAC | $71K | 44 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008 |
| BAE SYSTEMS INC. POLITICAL ACTION COMMITTEE (BAE SYSTEMS USA PAC) | $68K | 44 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $68K | 37 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008 |
| L3 TECHNOLOGIES, INC. PAC | $66K | 34 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008 |
| NEW YORK LIFE INSURANCE COMPANY POLITICAL ACTION COMMITTEE | $59K | 28 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008 |