| NRCC | $164K | 95 | 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1994, 2002, 2004, 2006 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $116K | 67 | 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| REPUBLICAN PARTY OF VIRGINIA INC | $109K | 16 | 1980, 1986, 2004, 2010 |
| NATIONAL ACTIVE AND RETIRED FEDERAL EMPLOYEES ASSOCIATION POLITICAL ACTION COM (NARFE-PAC) | $106K | 50 | 1982, 1984, 1986, 1988, 1990, 1992, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $93K | 49 | 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $93K | 34 | 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012 |
| NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION PAC | $73K | 64 | 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| AIRCRAFT OWNERS AND PILOTS ASSOCIATION POLITICAL ACTION COMMITTEE | $70K | 42 | 1982, 1984, 1986, 1988, 1990, 1992, 1994, 1996, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| AIR LINE PILOTS ASSOCIATION PAC | $70K | 37 | 1982, 1984, 1986, 1990, 1992, 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $65K | 52 | 1980, 1982, 1984, 1986, 1988, 1990, 1992, 1994, 1996, 1998, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |