| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $45K | 9 | 2010, 2012, 2014, 2016, 2018 |
| INTERNATIONAL UNION OF PAINTERS AND ALLIED TRADES POLITICAL ACTION TOGETHER POLITICAL COMMITTEE | $35K | 8 | 2010, 2012, 2014, 2016 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $35K | 14 | 2010, 2012, 2014, 2016, 2018 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $34K | 13 | 2010, 2012, 2014, 2016, 2018 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $33K | 11 | 2004, 2006, 2010, 2012, 2014, 2018 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $31K | 9 | 2010, 2012, 2014, 2016, 2018 |
| AMERICAN OPTOMETRIC ASSOCIATION POLITICAL ACTION COMMITTEE | $30K | 8 | 2010, 2012, 2014, 2016 |
| LOCKHEED MARTIN CORPORATION EMPLOYEES' POLITICAL ACTION COMMITTEE | $29K | 14 | 2010, 2012, 2014, 2016, 2018 |
| DCCC | $28K | 10 | 2010, 2012 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $28K | 9 | 2006, 2010, 2012, 2014, 2018 |