| NRSC | $331K | 52 | 1988, 1990, 1994, 2000, 2006 |
| REPUBLICAN NATIONAL COMMITTEE | $135K | 11 | 2000, 2002 |
| ASSOCIATED GENERAL CONTRACTORS OF AMERICA POLITICAL ACTION COMMITTEE | $40K | 13 | 1988, 1994, 2000, 2006 |
| FEDEX CORPORATION POLITICAL ACTION COMMITTEE | $40K | 24 | 1988, 1990, 1992, 1994, 1996, 1998, 2000, 2004, 2006 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $35K | 18 | 1988, 1992, 1994, 2000, 2006 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $35K | 11 | 1988, 1994, 2000, 2006 |
| NATIONAL FEDERATION OF INDEPENDENT BUSINESS FEDERAL POLITICAL ACTION COMMITTEE | $32K | 18 | 1988, 1990, 1994, 2000, 2006 |
| REYNOLDS AMERICAN INC. POLITICAL ACTION COMMITTEE; RAI PAC | $32K | 24 | 1988, 1994, 1998, 2000, 2004, 2006 |
| AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTS POLITICAL ACTION COMMITTEE | $30K | 14 | 1994, 2000, 2006 |
| EXXON MOBIL CORPORATION POLITICAL ACTION COMMITTEE (EXXONMOBIL PAC) | $30K | 22 | 1994, 2000, 2006 |