| NRCC | $111K | 17 | 1996, 1998, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $37K | 28 | 1980, 1982, 1984, 1986, 1988, 1990, 1996, 1998, 2000 |
| NATIONAL REPUBLICAN CONGRESSIONAL COMMITTEE CONTRIBUTIONS | $33K | 7 | 1998 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $29K | 25 | 1982, 1984, 1986, 1988, 1990, 1996, 1998, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $28K | 27 | 1980, 1982, 1984, 1986, 1988, 1996, 1998, 2000 |
| KOCH, INC. POLITICAL ACTION COMMITTEE (KOCHPAC) | $28K | 9 | 1996, 1998, 2000 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $25K | 16 | 1982, 1984, 1988, 1996, 1998, 2000, 2002 |
| NATIONAL FEDERATION OF INDEPENDENT BUSINESS FEDERAL POLITICAL ACTION COMMITTEE | $21K | 11 | 1980, 1982, 1996, 1998, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $20K | 12 | 1982, 1984, 1986, 1988, 1990, 1996, 1998, 2000 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $20K | 14 | 1982, 1984, 1986, 1996, 1998, 2000, 2002 |