| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $54K | 13 | 1990, 2002, 1996, 1994, 2014, 2006, 1992, 2004, 2012, 2008 |
| USINPAC | $20K | 6 | 2010, 2006, 2004, 2008 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $16K | 7 | 1990, 2002, 1996, 2006, 1992, 2008, 2000 |
| PAC TO THE FUTURE | $15K | 4 | 2002, 2000 |
| NATIONAL RURAL ELECTRIC COOPERATIVE ASSOCIATION AMERICA'S ELECTRIC COOPERATIVES PAC | $12K | 13 | 2010, 1990, 2002, 1998, 2012, 2000 |
| DCCC | $10K | 26 | 1990, 2002, 1996, 1994, 1992, 1998, 2000 |
| LABORERS INT'L UNION OF NORTH AMERICA WESTERN POLITICAL LEAGUE | $10K | 3 | 1990, 1994, 1992 |
| SEAFARERS POLITICAL ACTIVITY DONATION - SEAFARERS INTERNATIONAL UNION OF NA-AGLIW | $9K | 4 | 2006, 2004, 2000 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $8K | 3 | 1990, 2002, 2000 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $8K | 5 | 2002, 1996, 2006, 2000 |