| REPUBLICAN NATIONAL COMMITTEE | $82K | 1 | 2008 |
| VALERO ENERGY CORPORATION POLITICAL ACTION COMMITTEE | $60K | 17 | 2008, 2010, 2012, 2014, 2016, 2018, 2020 |
| KOCH, INC. POLITICAL ACTION COMMITTEE (KOCHPAC) | $60K | 29 | 2008, 2010, 2012, 2014, 2016, 2018, 2020 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $58K | 27 | 2010, 2012, 2014, 2016, 2018, 2020 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $54K | 21 | 2008, 2010, 2012, 2014, 2016, 2018, 2020 |
| LOCKHEED MARTIN CORPORATION EMPLOYEES' POLITICAL ACTION COMMITTEE | $52K | 36 | 2010, 2012, 2014, 2016, 2018, 2020 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $48K | 19 | 2010, 2012, 2014, 2016, 2018 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $44K | 25 | 2008, 2010, 2012, 2014, 2016, 2018, 2020 |
| HONEYWELL INTERNATIONAL INC. TECHNOLOGIES PUBLIC AFFAIRS COUNCIL (HONPAC) | $43K | 24 | 2010, 2012, 2014, 2016, 2018, 2020 |
| UNITED SERVICES AUTOMOBILE ASSOCIATION EMPLOYEE PAC - USAA EMPLOYEE PAC | $42K | 11 | 2008, 2010, 2012, 2014, 2016, 2018 |