| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $381K | 34 | 1996, 1994, 2006, 1988, 2000 |
| AUTO DEALERS AND DRIVERS FOR FREE TRADE PAC | $326K | 7 | 1990, 1992, 1988 |
| NRSC | $204K | 14 | 1990, 1994, 1988 |
| REPUBLICAN NATIONAL COMMITTEE | $103K | 3 | 1994 |
| NATIONAL SECURITY POLITICAL ACTION COMMITTEE | $58K | 170 | 1990, 1988 |
| NATIONAL ASSOCIATION OF INSURANCE AND FINANCIAL ADVISORS POLITICAL ACTION COMM | $40K | 11 | 1994, 2006, 1992, 1988, 2004, 2000 |
| FEDEX CORPORATION POLITICAL ACTION COMMITTEE | $38K | 16 | 1990, 1996, 1994, 2006, 1992, 1988, 1998 |
| UNION PACIFIC CORP. FUND FOR EFFECTIVE GOVERNMENT | $38K | 19 | 1990, 1994, 1992, 1988, 2004, 2000 |
| CHEVRON EMPLOYEES POLITICAL ACTION COMMITTEE - CHEVRON CORPORATION | $36K | 18 | 1990, 1994, 2006, 1988, 1998, 2000 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $35K | 14 | 1994, 2006, 1988, 2000 |