| DSCC | $156K | 9 | 1990, 1992, 1984 |
| CONSERVATIVE NATIONAL COMMITTEE (FKA-CONGRESSIONAL MAJORITY COMMITTEE) | $90K | 128 | 1984, 1986 |
| AIR LINE PILOTS ASSOCIATION PAC | $53K | 19 | 1990, 2002, 1996, 2006, 1984, 2012, 2008 |
| UNITED MINE WORKERS OF AMERICA - COAL MINERS POLITICAL ACTION COMMITTEE | $52K | 33 | 2010, 1990, 2002, 1996, 1994, 2006, 1984, 1988, 2012, 2008 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $50K | 18 | 1990, 2002, 1996, 1984, 2008 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $43K | 16 | 1990, 2002, 1996, 1994, 1992, 1984, 1988, 2008 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $40K | 8 | 1990, 2002, 1996, 2006, 1984, 1988 |
| COMMUNICATIONS WORKERS OF AMERICA - COPE POLITICAL CONTRIBUTIONS COMMITTEE | $40K | 13 | 1990, 2002, 1996, 1984, 2008 |
| UNITED STEELWORKERS POLITICAL ACTION FUND | $40K | 11 | 1990, 2002, 1996, 1984, 2008 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $40K | 22 | 1990, 2002, 1996, 2006, 1984, 1988, 2012, 2008 |