| DCCC | $155K | 113 | 1986, 1988, 1990, 1992, 1994 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $56K | 36 | 1986, 1988, 1990, 1992, 1994, 2002 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $50K | 18 | 1986, 1988, 1990, 1992, 1994 |
| NATIONAL ASSOCIATION OF LETTER CARRIERS OF U.S.A. POLITICAL FUND (LETTER CARRIER POLITICAL FUND) | $48K | 20 | 1986, 1988, 1990, 1992, 1994 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $48K | 18 | 1986, 1988, 1990, 1992, 1994 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $47K | 18 | 1986, 1988, 1990, 1992, 1994 |
| IOWA DEMOCRATIC PARTY | $44K | 21 | 1986, 1992, 1994 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $40K | 17 | 1986, 1988, 1990, 1992, 1994 |
| D.R.I.V.E. - DEM, REP, IND VOTER ED (THE PAC OF THE INT'L BRHD OF TEAMSTERS) | $38K | 11 | 1986, 1988, 1992, 1994, 2002 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $37K | 14 | 1986, 1988, 1990, 1992, 1994 |