| NRCC | $141K | 39 | 1996, 1994, 2004, 2000 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $118K | 29 | 2002, 1996, 1994, 1998, 2004, 2000 |
| REPUBLICAN NATIONAL COMMITTEE | $62K | 6 | 1996, 1994 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $39K | 29 | 1996, 1994, 1998, 2004, 2000 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $39K | 11 | 1996, 1998, 2004, 2000 |
| NATIONAL RIFLE ASSOCIATION INSTITUTE FOR LEGISLATIVE ACTION | $37K | 18 | 1996, 1994, 1998, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $36K | 9 | 1996, 1994, 1998, 2004, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $31K | 13 | 1996, 1994, 1998, 2000 |
| NATIONAL FEDERATION OF INDEPENDENT BUSINESS FEDERAL POLITICAL ACTION COMMITTEE | $30K | 18 | 1996, 1994, 1998, 2000 |
| WASHINGTON STATE REPUBLICAN PARTY | $26K | 7 | 1996, 1994, 1998, 2000 |