| NRCC | $147K | 20 | 1998, 2000, 2002, 2004, 2006 |
| REPUBLICAN NATIONAL COMMITTEE | $92K | 4 | 1998, 2000, 2006 |
| AUTOMOTIVE FREE INTERNATIONAL TRADE PAC | $50K | 10 | 1998, 2000, 2002, 2004, 2006 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $50K | 20 | 1998, 2000, 2002, 2004, 2006 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $45K | 11 | 1998, 2000, 2002, 2004, 2006 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $35K | 35 | 1998, 2000, 2002, 2004, 2006 |
| GENERAL DYNAMICS CORPORATION POLITICAL ACTION COMMITTEE (GENERAL DYNAMICS EMPLOYEE PAC) | $35K | 31 | 2000, 2002, 2004, 2006 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $31K | 8 | 2000, 2002, 2004, 2006 |
| NATIONAL FEDERATION OF INDEPENDENT BUSINESS FEDERAL POLITICAL ACTION COMMITTEE | $30K | 14 | 1998, 2000, 2002, 2004, 2006 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $30K | 12 | 1998, 2000, 2004, 2006 |