| NRCC | $105K | 403 | 1990, 1996, 1994, 1992, 1984, 1988, 1980, 1986, 1982 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $49K | 24 | 1990, 1994, 1992, 1984, 1988, 1980, 1986, 1982 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $44K | 31 | 1990, 1996, 1994, 1992, 1984, 1988, 1980, 1986, 1982 |
| AIRCRAFT OWNERS AND PILOTS ASSOCIATION POLITICAL ACTION COMMITTEE | $43K | 21 | 1990, 1996, 1994, 1992, 1984, 1988, 1986 |
| AIR LINE PILOTS ASSOCIATION PAC | $39K | 27 | 1990, 1996, 1994, 1992, 1984, 1988, 1980, 1986, 1982 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $32K | 38 | 1990, 1996, 1994, 1992, 1984, 1988, 1986 |
| NATIONAL UTILITY CONTRACTORS ASSOCIATION LEGISLATIVE INFORMATION AND ACTION COMMITTEE | $30K | 17 | 1990, 1996, 1994, 1992, 1984, 1988, 1980, 1986, 1982 |
| NATIONAL RIFLE ASSOCIATION INSTITUTE FOR LEGISLATIVE ACTION | $30K | 8 | 1994, 1992, 1984, 1980, 1986 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $26K | 27 | 1990, 1996, 1994, 1992, 1984, 1988, 1980, 1986 |
| NATIONAL COMMITTEE TO PRESERVE SOCIAL SECURITY & MEDICARE PAC | $22K | 5 | 1988, 1986 |