| NRCC | $186K | 55 | 1990, 1992, 1994, 2002, 2004, 2006, 2008 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $74K | 32 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $68K | 40 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $66K | 35 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $55K | 23 | 1990, 1998, 2000, 2002, 2004, 2006, 2008 |
| BLUE DIAMOND GROWERS POLITICAL ACTION COMMITTEE | $52K | 45 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $50K | 50 | 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |
| AEROJET ROCKETDYNE AN L3HARRIS TECHNOLOGIES COMPANY PAC | $33K | 30 | 1990, 1998, 2000, 2002, 2004, 2006, 2008 |
| NATIONAL RESTAURANT ASSOCIATION PAC (RESTAURANT PAC) | $33K | 19 | 1990, 1992, 1994, 1996, 2002, 2004, 2006 |
| AMERICAN MARITIME OFFICERS VOLUNTARY POLITICAL ACTION FUND | $31K | 34 | 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008 |