| NATIONAL CONSERVATIVE POLITICAL ACTION COMMITTEE | $262K | 315 | 1984, 1986, 1982 |
| DSCC | $249K | 23 | 2006, 1988, 1982 |
| AMERICAN FEDERATION OF TEACHERS, AFL-CIO | $80K | 2 | 2006 |
| AMERICAN BANKERS ASSOCIATION PAC (BANKPAC) | $54K | 16 | 2010, 1994, 2006, 1992, 1988, 1982, 2000 |
| UNITED MINE WORKERS OF AMERICA - COAL MINERS POLITICAL ACTION COMMITTEE | $50K | 19 | 1996, 1994, 2006, 1992, 1988, 1986, 1982, 2000 |
| SMART TD PAC | $47K | 15 | 1994, 2006, 1992, 1988, 1986, 1982, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $44K | 14 | 2010, 1996, 1994, 2006, 1988, 1982, 2000 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $42K | 15 | 1994, 2006, 1992, 1988, 1982, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $42K | 11 | 1994, 2006, 1992, 1988, 1986, 1982, 2000 |
| NATIONAL ASSOCIATION OF REALTORS POLITICAL ACTION COMMITTEE | $42K | 17 | 1994, 2006, 1992, 1988, 1982, 2000 |