| NRCC | $155K | 269 | 1990, 1996, 1994, 1992, 1984, 1988, 1998, 1986, 1982 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $56K | 21 | 1990, 1996, 1994, 1992, 1984, 1988, 1986, 1982 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $44K | 24 | 1990, 1996, 1994, 1992, 1984, 1988, 1998, 1986, 1982 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $30K | 17 | 1990, 1996, 1994, 1992, 1984, 1988, 1998, 1986 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $25K | 20 | 1990, 1994, 1992, 1984, 1988, 1986, 1982 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $25K | 18 | 1990, 1994, 1992, 1984, 1988, 1998, 1986, 1982 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $22K | 25 | 1990, 1992, 1984, 1988, 1998, 1986, 1982 |
| NATIONAL RIFLE ASSOCIATION INSTITUTE FOR LEGISLATIVE ACTION | $21K | 6 | 1992, 1984, 1988, 1986 |
| ASSOCIATED GENERAL CONTRACTORS OF AMERICA POLITICAL ACTION COMMITTEE | $21K | 25 | 1990, 1996, 1994, 1992, 1984, 1988, 1998, 1986, 1982 |
| BOISE CASCADE POLITICAL FUND | $19K | 14 | 1990, 1996, 1992, 1984, 1988, 1986, 1982 |