| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $16K | 5 | 2004, 2008 |
| UA UNION PLUMBERS & PIPEFITTERS VOTE! PAC (UNITED ASSOCIATION OF JOURNEYMEN AND APPRENTICES OF THE PLUMBING & PIPEFITTING INDUSTRY OF THE UNITED STATES AND CANADA) | $15K | 3 | 2004, 2008 |
| COMMUNICATIONS WORKERS OF AMERICA - COPE POLITICAL CONTRIBUTIONS COMMITTEE | $12K | 7 | 2004, 2008 |
| UNITED STEELWORKERS POLITICAL ACTION FUND | $10K | 2 | 2004, 2008 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $10K | 2 | 2004 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $10K | 3 | 2004, 2008 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $10K | 2 | 2004, 2008 |
| NATIONAL COMMITTEE FOR AN EFFECTIVE CONGRESS | $6K | 4 | 2004, 2008 |
| INT'L UNION OF BRICKLAYERS AND ALLIED CRAFTWORKERS | $6K | 2 | 2004, 2008 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $5K | 1 | 2008 |