| DSCC | $322K | 8 | 1988, 1986 |
| AMERICAN FEDERATION OF STATE, COUNTY AND MUNICIPAL EMPLOYEES, AFL-CIO | $48K | 10 | 1986 |
| WISCONSIN ACTION COALITION | $31K | 4 | 1988, 1986 |
| WISCONSIN STATE AFL-CIO | $27K | 10 | 1986 |
| INTERNATIONAL ASSOCIATION OF HEAT AND FROST INSULATORS AND ALLIED WORKERS POLITICAL ACTION COMMITTEE | $19K | 6 | 1988, 1986 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | $17K | 7 | 1988, 1986 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $15K | 5 | 1990, 1988, 1986 |
| UA UNION PLUMBERS & PIPEFITTERS VOTE! PAC (UNITED ASSOCIATION OF JOURNEYMEN AND APPRENTICES OF THE PLUMBING & PIPEFITTING INDUSTRY OF THE UNITED STATES AND CANADA) | $15K | 7 | 1988, 1986 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $15K | 4 | 1988, 1986 |
| NATIONAL ACTIVE AND RETIRED FEDERAL EMPLOYEES ASSOCIATION POLITICAL ACTION COM (NARFE-PAC) | $15K | 4 | 1988, 1986 |