| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $84K | 39 | 2010, 2002, 1996, 2014, 2006, 1998, 2016, 2004, 2012, 2008, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $75K | 41 | 2010, 2002, 1996, 2014, 2006, 1998, 2016, 2004, 2012, 2008, 2000 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $71K | 29 | 2010, 2002, 1996, 2014, 2006, 1998, 2016, 2004, 2012, 2008, 2000 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $68K | 30 | 2010, 2002, 1996, 2014, 2006, 1998, 2016, 2004, 2012, 2008, 2000 |
| NATIONAL AUTOMOBILE DEALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $61K | 26 | 2010, 2002, 1996, 2014, 2006, 1998, 2016, 2004, 2008, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $59K | 33 | 2010, 2002, 1996, 2014, 2006, 1998, 2004, 2012, 2008, 2000 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $56K | 45 | 2010, 2002, 1996, 2014, 2006, 1998, 2004, 2012, 2008, 2000 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO COMMITTEE ON POLITICAL EDUCATION | $55K | 26 | 2010, 2002, 1996, 2014, 2006, 1998, 2004, 2012, 2008, 2000 |
| ENGINEERS POLITICAL EDUCATION COMMITTEE (EPEC)/INTERNATIONAL UNION OF OPERATING ENGINEERS | $55K | 32 | 2010, 2002, 2014, 2006, 1998, 2016, 2004, 2012, 2008, 2000 |
| BORDER HEALTH FEDERAL PAC | $50K | 12 | 2010, 2014, 2006, 2016, 2012, 2008 |