| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $152K | 17 | 2002, 1996, 1998, 2000 |
| DCCC | $122K | 63 | 2002, 1996, 1984, 1998, 2004, 1986, 2000 |
| PENNSYLVANIA DEMOCRATIC PARTY | $67K | 4 | 2002, 1998 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $64K | 24 | 2002, 1996, 1984, 1988, 1998, 2004, 1986, 2000 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $57K | 18 | 2002, 1996, 1984, 1998, 2004, 1986, 2000 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $52K | 23 | 2002, 1996, 1984, 1998, 2004, 1986, 2000 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $50K | 15 | 2002, 1996, 1998, 2004, 2000 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $49K | 19 | 2002, 1996, 1984, 1998, 2004, 1986, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $49K | 19 | 2002, 1996, 1984, 1998, 2004, 1986, 2000 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $48K | 21 | 2002, 1996, 1984, 1998, 2004, 1986, 2000 |