| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $111K | 64 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 1986, 2000 |
| NRCC | $87K | 41 | 1990, 2002, 1994, 2006, 1992, 1988, 2004, 2008, 1986, 2000 |
| BUILD POLITICAL ACTION COMMITTEE OF THE NATIONAL ASSOCIATION OF HOME BUILDERS (BUILDPAC) | $83K | 42 | 2010, 1990, 2002, 1996, 2006, 1992, 1988, 1998, 2004, 2008, 1986, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $63K | 33 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2008, 1986, 2000 |
| AMGEN INC. POLITICAL ACTION COMMITTEE | $59K | 33 | 2010, 2002, 1996, 1994, 2006, 1998, 2004, 2012, 2008, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $56K | 39 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2008, 1986, 2000 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $55K | 41 | 2010, 2002, 2006, 1998, 2004, 2012, 2008, 2000 |
| EDISON INTERNATIONAL PAC | $49K | 40 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2008, 1986, 2000 |
| LITTON INDUSTRIES INC EMPLOYEES POLITICAL ASSISTANCE COMMITTEE (LEPAC) | $36K | 27 | 1990, 1996, 1994, 1992, 1988, 1998, 1986, 2000 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $32K | 28 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 2000 |