| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $123K | 32 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2004, 2012, 2008, 1986, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $120K | 33 | 2010, 1990, 2002, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| COMMITTEE FOR AN EFFECTIVE AND TRUSTED CONGRESSMAN | $100K | 2 | 2012 |
| AMERICAN HOSPITAL ASSOCIATION PAC | $94K | 30 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 2004, 2012, 2008, 1986, 1982, 2000 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $92K | 36 | 2010, 1990, 2002, 1996, 1994, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| NCTA - THE INTERNET & TELEVISION ASSOCIATION POLITICAL ACTION COMMITTEE (NCTAPAC) | $90K | 25 | 2010, 1990, 2002, 1994, 2014, 2006, 1992, 1984, 1988, 2004, 2012, 2008, 1982, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $88K | 44 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1988, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| AMERICAN PODIATRIC MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $87K | 34 | 2010, 1990, 2002, 1996, 2014, 2006, 1992, 1984, 1988, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | $86K | 28 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1998, 2004, 2012, 2008, 1986, 1982, 2000 |
| NATIONAL ASSOCIATION OF LETTER CARRIERS OF U.S.A. POLITICAL FUND (LETTER CARRIER POLITICAL FUND) | $80K | 33 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1984, 1988, 1998, 2016, 2004, 2012, 2008, 1982, 2000 |