| CAMPAIGN FOR PRIMARY ACCOUNTABILITY INC | $167K | 8 | 2012 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $136K | 55 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2012, 2008, 1986, 1982, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $125K | 57 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| NOW OR NEVER PAC | $102K | 3 | 2014 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $99K | 68 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2012, 2008, 1986, 1982, 2000 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $74K | 51 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2012, 2008, 1986, 1982, 2000 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $69K | 59 | 2010, 1990, 2002, 1996, 2014, 2006, 1992, 1984, 1988, 1998, 1980, 2004, 2012, 2008, 1986, 1982, 2000 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $64K | 43 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| NCTA - THE INTERNET & TELEVISION ASSOCIATION POLITICAL ACTION COMMITTEE (NCTAPAC) | $61K | 25 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1988, 1998, 2004, 2008, 2000 |
| AMERICAN HEALTH CARE ASSOCIATION POLITICAL ACTION COMMITTEE | $60K | 47 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1984, 1998, 2012, 2008, 1986, 2000 |