| DSCC | $372K | 12 | 1992, 1986 |
| MEGAPHONE | $309K | 3 | 2016 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $177K | 28 | 2010, 1990, 2002, 1996, 1992, 1988, 1998, 2016, 2000 |
| NATIONAL RIFLE ASSOCIATION INSTITUTE FOR LEGISLATIVE ACTION | $68K | 8 | 1996, 1992, 1998, 2016, 2004 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $60K | 25 | 2010, 1990, 2002, 1996, 1994, 2014, 2006, 1992, 1988, 1998, 2016, 2004, 2008, 1986 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $58K | 25 | 2010, 1992, 1998, 2004, 1986 |
| NATIONAL ASSOCIATION OF INSURANCE AND FINANCIAL ADVISORS POLITICAL ACTION COMM | $57K | 27 | 2010, 1990, 2002, 1996, 2014, 1992, 1988, 1998, 2016, 2004, 2012, 1986 |
| CME GROUP INC. PAC | $53K | 22 | 1990, 2002, 2014, 1992, 1988, 1998, 2016, 2004, 2012, 2008, 1986 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $53K | 24 | 2010, 1990, 2002, 1996, 1994, 1992, 1988, 1998, 2016, 2004, 2008, 1986, 2000 |
| MORTGAGE BANKERS ASSOCIATION POLITICAL ACTION COMMITTEE (MORPAC) | $51K | 36 | 2010, 1990, 2002, 1996, 1994, 1992, 1988, 1998, 2016, 2004, 2008, 1986, 2000 |