| NRCC | $164K | 96 | 2010, 1990, 2002, 1994, 2006, 1992, 1984, 1988, 1980, 2004, 1986, 1982 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $116K | 67 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2012, 2008, 1986, 1982, 2000 |
| REPUBLICAN PARTY OF VIRGINIA INC | $109K | 16 | 2010, 1980, 2004, 1986 |
| NATIONAL ACTIVE AND RETIRED FEDERAL EMPLOYEES ASSOCIATION POLITICAL ACTION COM (NARFE-PAC) | $106K | 50 | 2010, 1990, 2002, 1996, 2014, 2006, 1992, 1984, 1988, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $93K | 49 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2012, 2008, 1986, 1982, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $93K | 34 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2012, 2008, 1986, 1982, 2000 |
| NATIONAL AIR TRAFFIC CONTROLLERS ASSOCIATION PAC | $73K | 64 | 2010, 2002, 1996, 1994, 2014, 2006, 1992, 1998, 2004, 2012, 2008, 2000 |
| AIRCRAFT OWNERS AND PILOTS ASSOCIATION POLITICAL ACTION COMMITTEE | $70K | 42 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 2004, 2012, 2008, 1986, 1982, 2000 |
| AIR LINE PILOTS ASSOCIATION PAC | $70K | 37 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $65K | 52 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2012, 2008, 1986, 1982 |