| SEIU LOCAL 721 CTW, CLC WORKERS' STRENGTH COMMITTEE - FEDERAL | $31K | 11 | 2010 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $20K | 6 | 2010, 2008 |
| INTERNATIONAL BROTHERHOOD OF ELECTRICAL WORKERS POLITICAL ACTION COMMITTEE | $20K | 5 | 2010, 2008 |
| INT'L ASSOCIATION OF BRIDGE, STRUCTURAL, ORNAMENTAL AND REINFORCING IRON WORKERS (IPAL) | $12K | 4 | 2010, 2008 |
| D.R.I.V.E. - DEMOCRAT, REPUBLICAN, INDEPENDENT VOTER EDUCATION (THE PAC OF THE INTERNATIONAL BROTHERHOOD OF TEAMSTERS) | $12K | 5 | 2010, 2008 |
| PROGRESSIVE CHANGE CAMPAIGN COMMITTEE | $11K | 6 | 2010, 2012 |
| NEA FUND FOR CHILDREN AND PUBLIC EDUCATION | $11K | 6 | 2010, 2008 |
| CARPENTERS LEGISLATIVE IMPROVEMENT COMMITTEE UNITED BROTHERHOOD OF CARPENTERS AND JOINERS | $10K | 2 | 2010 |
| CALIFORNIA TEACHERS ASSOCIATION | $9K | 2 | 2010 |
| DEMOCRACY FOR AMERICA | $9K | 3 | 2010, 2008 |