| INTERNATIONAL ASSOCIATION OF FIREFIGHTERS INTERESTED IN REGISTRATION AND EDUCATION PAC | $298K | 27 | 2010, 1994, 2006, 2004, 2000 |
| DSCC | $258K | 35 | 1990, 1994, 2006, 1988 |
| AMERICA'S CREDIT UNIONS PAC OF CREDIT UNION NATIONAL ASSOCIATION, INC. | $254K | 24 | 2002, 1994, 2006, 2000 |
| NATIONAL ASSOCIATION OF REALTORS | $194K | 5 | 2006 |
| AMERICAN HEALTH CARE ASSOCIATION POLITICAL ACTION COMMITTEE | $52K | 26 | 1994, 2006, 2004, 2000 |
| RAYTHEON TECHNOLOGIES CORPORATION PAC (FORMERLY UTC PAC) | $39K | 22 | 2010, 1990, 1996, 1994, 2006, 1992, 2004, 2012, 2000 |
| CONNECTICUT DEMOCRATIC STATE CENTRAL COMMITTEE | $38K | 32 | 1994 |
| WASHINGTON POLITICAL ACTION COMMITTEE | $37K | 17 | 2010, 1990, 1994, 2006, 1992, 2004, 2012, 2008, 2000 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $35K | 8 | 1994, 2006, 1992, 1988, 2000 |
| PFIZER INC. PAC | $34K | 18 | 2010, 2002, 1994, 1992, 1998, 2004, 2000 |