| LEAGUE OF CONSERVATION VOTERS ACTION FUND | $119K | 5 | 2002, 2006, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $112K | 67 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 2008, 1986, 2000 |
| NRCC | $104K | 88 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 2004, 1986, 2000 |
| AMERICAN MARITIME OFFICERS VOLUNTARY POLITICAL ACTION FUND | $91K | 66 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 2008, 1986, 2000 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $71K | 42 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 2008, 1986, 2000 |
| NATIONAL ASSOCIATION OF INSURANCE AND FINANCIAL ADVISORS POLITICAL ACTION COMM | $71K | 53 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 2008, 1986, 2000 |
| LOCKHEED MARTIN CORPORATION EMPLOYEES' POLITICAL ACTION COMMITTEE | $60K | 33 | 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| INDEPENDENT INSURANCE AGENTS & BROKERS OF AMERICA, INC. POLITICAL ACTION COMMITTEE (INSURPAC) | $59K | 50 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 2008, 1986, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $54K | 26 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 1986, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $52K | 44 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 2008, 1986, 2000 |