| CROSSROADS GRASSROOTS POLICY STRATEGIES | $250K | 2 | 2010 |
| MISSOURI DEMOCRATIC STATE COMMITTEE (FEDERAL) | $115K | 7 | 2010, 2006 |
| NATIONAL RIFLE ASSOCIATION OF AMERICA POLITICAL VICTORY FUND | $66K | 5 | 2010 |
| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $56K | 13 | 2010, 1990, 1994, 2006, 2004, 2012, 2008 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $53K | 23 | 2010, 1990, 2006, 2004, 2012, 2008 |
| COMMUNICATIONS WORKERS OF AMERICA - COPE POLITICAL CONTRIBUTIONS COMMITTEE | $52K | 32 | 2010, 1990, 1994, 2006, 1992, 2004, 2012, 2008 |
| MACHINISTS NON PARTISAN POLITICAL LEAGUE OF THE INTERNATIONAL ASSOCIATION OF MACHINISTS & AEROSPACE WORKERS | $50K | 12 | 2010, 1990, 2006, 2004, 2012, 2008 |
| INT'L ASSOCIATION OF BRIDGE, STRUCTURAL, ORNAMENTAL AND REINFORCING IRON WORKERS (IPAL) | $46K | 14 | 2010, 1990, 2006, 2004, 2012, 2008 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $45K | 22 | 2010, 1990, 1994, 2006, 2004, 2012, 2008 |
| UA UNION PLUMBERS & PIPEFITTERS VOTE! PAC (UNITED ASSOCIATION OF JOURNEYMEN AND APPRENTICES OF THE PLUMBING & PIPEFITTING INDUSTRY OF THE UNITED STATES AND CANADA) | $45K | 9 | 2010, 2006, 2004, 2012, 2008 |