| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $178K | 34 | 2010, 2002, 2014, 2006, 2020, 2004, 2012, 2008, 2000 |
| DCCC | $88K | 31 | 2002, 2006, 2004, 2012, 2018, 2008, 2000 |
| GENERAL DYNAMICS CORPORATION POLITICAL ACTION COMMITTEE (GENERAL DYNAMICS EMPLOYEE PAC) | $76K | 59 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $73K | 38 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $73K | 39 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008, 2000 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $66K | 22 | 2010, 2002, 2014, 2006, 2020, 2004, 2012, 2018, 2008, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $65K | 42 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008, 2000 |
| NATIONAL ASSOCIATION OF LETTER CARRIERS OF U.S.A. POLITICAL FUND (LETTER CARRIER POLITICAL FUND) | $65K | 27 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008, 2000 |
| QUALCOMM INCORPORATED POLITICAL ACTION COMMITTEE (QPAC) | $61K | 28 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2018, 2008 |
| EMPLOYEES OF NORTHROP GRUMMAN CORPORATION PAC | $58K | 31 | 2010, 2002, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2008 |