| DCCC | $1.8M | 19 | 2006 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $514K | 7 | 1996, 2006, 1998, 2000 |
| MOVEON.ORG POLITICAL ACTION | $444K | 8 | 2006 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $385K | 33 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 1986, 1982, 2000 |
| NRCC | $212K | 166 | 1990, 2002, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 2008, 1986, 1982, 2000 |
| REPUBLICAN NATIONAL COMMITTEE | $182K | 12 | 2002, 1994, 2006, 1984, 2004, 1982 |
| POLITICAL ACTION COMMITTEE OF THE AMERICAN ASSOCIATION OF ORTHOPAEDIC SURGEONS--PAC OF AAOS | $133K | 19 | 2002, 2006, 2004, 2000 |
| NATIONAL ASSOCIATION OF INSURANCE AND FINANCIAL ADVISORS POLITICAL ACTION COMM | $87K | 52 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 1986, 1982, 2000 |
| RAYTHEON TECHNOLOGIES CORPORATION PAC (FORMERLY UTC PAC) | $83K | 67 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 1986, 1982, 2000 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $77K | 37 | 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 2004, 1986, 1982, 2000 |