| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $59K | 22 | 1984, 1986, 1992, 1994, 1998, 2002, 2004, 2008, 2010 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $50K | 21 | 1986, 1992, 1994, 1998, 2002, 2004, 2008, 2010 |
| CITIZENS ORGANIZED POLITICAL ACTION COMMITTEE | $48K | 10 | 1980, 1986, 1992, 1998, 2004, 2010 |
| DSCC | $47K | 4 | 1986, 1992 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $47K | 15 | 1980, 1986, 1992, 1994, 1998, 2002, 2004, 2010 |
| NCTA - THE INTERNET & TELEVISION ASSOCIATION POLITICAL ACTION COMMITTEE (NCTAPAC) | $44K | 14 | 1980, 1986, 1992, 1994, 1998, 2004, 2008, 2010 |
| GENERAL DYNAMICS CORPORATION POLITICAL ACTION COMMITTEE (GENERAL DYNAMICS EMPLOYEE PAC) | $44K | 23 | 1986, 1992, 1998, 2004, 2008, 2010, 2012 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $41K | 22 | 1986, 1992, 1998, 2004, 2010 |
| EMPLOYEES OF NORTHROP GRUMMAN CORPORATION PAC | $41K | 19 | 1980, 1986, 1992, 1994, 1998, 2002, 2004, 2008, 2010, 2012 |
| SEAFARERS POLITICAL ACTIVITY DONATION - SEAFARERS INTERNATIONAL UNION OF NA-AGLIW | $40K | 15 | 1980, 1986, 1992, 1994, 1998, 2002, 2004, 2010 |