| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $66K | 36 | 2010, 2014, 2020, 2016, 2012, 2018, 2022, 2008 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $57K | 19 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2022, 2008 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $56K | 43 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2022, 2008 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $54K | 25 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2022, 2008 |
| HONEYWELL INTERNATIONAL POLITICAL ACTION COMMITTEE | $54K | 32 | 2010, 2014, 2006, 2016, 2012, 2018, 2008 |
| AIR LINE PILOTS ASSOCIATION PAC | $53K | 27 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2022, 2008 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $52K | 26 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2008 |
| NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION PAC | $50K | 41 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2022, 2008 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $49K | 17 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2008 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $48K | 14 | 2014, 2020, 2016, 2012, 2018, 2022, 2008 |