| AMERICAN FUTURE FUND | $562K | 2 | 2010 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $290K | 32 | 2010, 2002, 2024, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| DCCC | $239K | 93 | 2010, 2002, 2014, 2006, 2016, 2004, 2012, 2008, 2000 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $120K | 31 | 2010, 2002, 2024, 2014, 2006, 2020, 2004, 2012, 2018, 2022, 2008, 2000 |
| NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION PAC | $116K | 83 | 2010, 2002, 2024, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $107K | 54 | 2010, 2002, 2024, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008 |
| THE BOEING COMPANY POLITICAL ACTION COMMITTEE | $106K | 78 | 2010, 2002, 2024, 2014, 2006, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| AIR LINE PILOTS ASSOCIATION PAC | $106K | 41 | 2010, 2002, 2024, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $103K | 63 | 2010, 2002, 2024, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |
| PUGET SOUND ENERGY INC. PAC FOR GOOD GOVERNMENT | $101K | 79 | 2010, 2002, 2024, 2014, 2006, 2020, 2016, 2004, 2012, 2018, 2022, 2008, 2000 |