| UAW - V - CAP (UAW VOLUNTARY COMMUNITY ACTION PROGRAM) 'INT'L UNION UNITED AUTOMOBILE AEROSPACE & AGRICULTURAL IMPLEMENT WORKERS OF AMERICA UAW | $58K | 35 | 2010, 2002, 2006, 1998, 2004, 2008, 2000 |
| AMERICAN ASSOCIATION FOR JUSTICE POLITICAL ACTION COMMITTEE (AAJ PAC) | $57K | 33 | 2010, 2002, 2006, 1998, 2004, 2008, 2000 |
| DTE ENERGY COMPANY POLITICAL ACTION COMMITTEE | $52K | 49 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| GENERAL MOTORS COMPANY POLITICAL ACTION COMMITTEE (GM PAC) | $52K | 36 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| LABORERS' INTERNATIONAL UNION OF NORTH AMERICA (LIUNA) PAC | $52K | 19 | 2010, 2002, 2006, 1998, 2004, 2008, 2000 |
| AMERICA'S CREDIT UNIONS PAC OF CREDIT UNION NATIONAL ASSOCIATION, INC. | $50K | 25 | 2010, 2002, 2006, 1998, 2004, 2008, 2000 |
| SEIU COPE (SERVICE EMPLOYEES INTERNATIONAL UNION COMMITTEE ON POLITICAL EDUCATION) | $48K | 17 | 2010, 2002, 2006, 1998, 2004, 2008, 2000 |
| BLUE CROSS BLUE SHIELD OF MICHIGAN PAC | $47K | 22 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $47K | 17 | 2010, 2002, 1996, 2006, 1998, 2004, 2000 |
| AMERICAN FEDERATION OF STATE COUNTY & MUNICIPAL EMPLOYEES P E O P L E | $45K | 35 | 2010, 2002, 1996, 2006, 1998, 2004, 2008, 2000 |