| NRSC | $565K | 15 | 2004, 2008 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $393K | 26 | 2010, 2006, 2004 |
| DSCC | $230K | 1 | 2004 |
| AMERICAN MEDICAL ASSOCIATION POLITICAL ACTION COMMITTEE | $202K | 6 | 2010, 2004 |
| CITIZENS CLUB FOR GROWTH INC PAC | $173K | 23 | 2004 |
| AMERICAN SOCIETY OF ANESTHESIOLOGISTS POLITICAL ACTION COMMITTEE (ASA PAC) | $127K | 6 | 2010, 2004 |
| FOCUS ON THE FAMILY ACTION | $59K | 4 | 2004 |
| AMERICAN COLLEGE OF OB-GYNS PAC (OB-GYN PAC) | $46K | 3 | 2004 |
| NATIONAL RIGHT TO LIFE POLITICAL ACTION COMMITTEE | $43K | 36 | 2010, 2004 |
| NATIONAL ASSOCIATION OF REALTORS | $41K | 2 | 2004 |