| DEMOCRATIC PARTY OF SOUTH CAROLINA | $376K | 19 | 1992, 1998 |
| DSCC | $182K | 15 | 1992, 1998, 1980, 1986 |
| TRUCKING POLITICAL ACTION COMMITTEE OF THE AMERICAN TRUCKING ASSOCIATIONS INC. | $40K | 39 | 1990, 2002, 1996, 1994, 1992, 1988, 1998, 1980, 1986, 2000 |
| NATIONAL ASSOCIATION OF BROADCASTERS POLITICAL ACTION COMMITTEE (NABPAC) | $38K | 18 | 1990, 2002, 1996, 1994, 1992, 1998, 1980, 2004, 1986, 2000 |
| UNITED PARCEL SERVICE, INC. PAC (UPSPAC) | $37K | 31 | 1990, 2002, 1996, 1994, 1992, 1988, 1998, 2004, 1986, 2000 |
| NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION AMERICA'S ELECTRIC COOPERATIVES PAC | $37K | 25 | 1992, 1998, 1980, 1986 |
| SEAFARERS POLITICAL ACTIVITY DONATION - SEAFARERS INTERNATIONAL UNION OF NA-AGLIW | $36K | 25 | 1990, 2002, 1994, 1992, 1988, 1998, 1980, 2004, 1986, 2000 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $36K | 18 | 1990, 2002, 1996, 1994, 1992, 1988, 1998, 1980, 1986 |
| NATIONAL ASSOCIATION OF LETTER CARRIERS OF U.S.A. POLITICAL FUND (LETTER CARRIER POLITICAL FUND) | $36K | 19 | 1990, 2002, 1996, 1994, 1992, 1988, 1998, 1980, 2004, 1986 |
| INTERNATIONAL TEXTILE GROUP GOOD GOVERNMENT COMMITTEE | $33K | 22 | 1990, 2002, 1996, 1994, 1992, 1988, 1998, 1980, 2004, 1986, 2000 |