| NRCC | $91K | 118 | 1994, 1996, 1998, 2000, 2002, 2004, 2008 |
| NCTA - THE INTERNET & TELEVISION ASSOCIATION POLITICAL ACTION COMMITTEE (NCTAPAC) | $87K | 28 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $85K | 48 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| BROWN-FORMAN CORPORATION NON-PARTISAN COMMITTEE FOR RESPONSIBLE GOVERNMENT | $83K | 36 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| NATIONAL BEER WHOLESALERS ASSOCIATION POLITICAL ACTION COMMITTEE | $79K | 27 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| AT&T INC. EMPLOYEE FEDERAL POLITICAL ACTION COMMITTEE (AT&T EMPLOYEE FEDERAL PAC) | $79K | 45 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| ALTRIA GROUP, INC. POLITICAL ACTION COMMITTEE (ALTRIAPAC) | $76K | 47 | 1994, 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $72K | 57 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| AMERICAN SOCIETY OF INTERVENTIONAL PAIN PHYSICIAN PAC | $70K | 16 | 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |
| NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION AMERICA'S ELECTRIC COOPERATIVES PAC | $69K | 52 | 1996, 1998, 2000, 2002, 2004, 2006, 2008, 2010, 2012, 2014 |