| NRSC | $972K | 59 | 1994, 1992, 2004, 2008, 1986 |
| MISSOURI REPUBLICAN STATE COMMITTEE-FEDERAL | $397K | 6 | 1992, 1998, 2004 |
| REPUBLICAN NATIONAL COMMITTEE | $152K | 8 | 1998 |
| NATIONAL RIGHT TO LIFE POLITICAL ACTION COMMITTEE | $102K | 44 | 1994, 1992, 1998, 2004, 1986 |
| NATIONAL RIFLE ASSOCIATION INSTITUTE FOR LEGISLATIVE ACTION | $88K | 11 | 1992, 1998, 2004 |
| NATIONAL ASSOCIATION OF REALTORS | $76K | 3 | 1998 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $75K | 26 | 2002, 1992, 1988, 1998, 2004 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $45K | 19 | 1992, 1998, 2004, 2008, 1986 |
| ASSOCIATED GENERAL CONTRACTORS OF AMERICA POLITICAL ACTION COMMITTEE | $41K | 17 | 1992, 1998, 2004, 1986 |
| HALLMARK CARDS, INC. PAC (HALLPAC) | $40K | 8 | 1992, 1998, 2004, 1986 |