| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $88K | 28 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2022, 2008 |
| REPUBLICAN NATIONAL COMMITTEE | $77K | 1 | 2006 |
| LOCKHEED MARTIN CORPORATION EMPLOYEES' POLITICAL ACTION COMMITTEE | $72K | 69 | 2010, 2024, 2014, 2020, 2016, 2012, 2018, 2022, 2008 |
| L3HARRIS TECHNOLOGIES, INC. PAC | $70K | 45 | 2010, 2024, 2014, 2020, 2016, 2012, 2018, 2022, 2008 |
| KOCH, INC. POLITICAL ACTION COMMITTEE (KOCHPAC) | $68K | 33 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2008 |
| HONEYWELL INTERNATIONAL POLITICAL ACTION COMMITTEE | $66K | 44 | 2010, 2014, 2020, 2016, 2012, 2018, 2022, 2008 |
| EMPLOYEES OF NORTHROP GRUMMAN CORPORATION PAC | $65K | 39 | 2010, 2014, 2020, 2016, 2012, 2018, 2008 |
| EMPLOYEES OF RTX CORPORATION POLITICAL ACTION COMMITTEE | $62K | 52 | 2010, 2014, 2020, 2016, 2012, 2018, 2022, 2008 |
| SERCO INC. POLITICAL ACTION COMMITTEE (SERCO PAC) | $60K | 39 | 2010, 2024, 2014, 2020, 2016, 2012, 2018, 2022, 2008 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $57K | 29 | 2010, 2014, 2006, 2020, 2016, 2012, 2018, 2022, 2008 |