| REPUBLICAN NATIONAL COMMITTEE | $617K | 2 | 2002 |
| CITIZENS FOR RESPONSIBLE ENERGY SOLUTIONS INC. | $280K | 2 | 2014 |
| CITIZENS 4 ETHICS IN GOVERNMENT | $276K | 5 | 2014 |
| TENNESSEE REPUBLICAN PARTY FEDERAL ELECTION ACCOUNT | $276K | 9 | 2014 |
| ENVIRONMENTAL DEFENSE ACTION FUND | $247K | 1 | 2014 |
| AMERICAN COLLEGE OF RADIOLOGY ASSOCIATION PAC | $147K | 7 | 2014, 2008 |
| NATIONAL RIGHT TO LIFE POLITICAL ACTION COMMITTEE | $56K | 9 | 2002, 2014, 2004 |
| NRSC | $46K | 6 | 2014, 2008 |
| MAKING BUSINESS EXCEL POLITICAL ACTION COMMITTEE | $35K | 7 | 2014, 2020, 2018, 2008 |
| NATIONAL ASSOCIATION OF REALTORS | $33K | 3 | 2014 |