| UNITE HERE TIP CAMPAIGN COMMITTEE | $10K | 2 | 2012, 2024 |
| INTERNATIONAL ASSOCIATION OF SHEET METAL, AIR, RAIL AND TRANSPORTATION WORKERS POLITICAL ACTION LEAGUE | $10K | 2 | 2012, 2024 |
| INTERNATIONAL BROTHERHOOD OF BOILERMAKERS CAMPAIGN ASSISTANCE FUND | $10K | 2 | 2024 |
| NATIONAL ASSOCIATION OF LETTER CARRIERS OF U.S.A. POLITICAL FUND (LETTER CARRIER POLITICAL FUND) | $5K | 1 | 2024 |
| MERCED COUNTY DEMOCRATIC CENTRAL COMMITTEE OF 2008 FEDERAL COMMITTEE | $5K | 1 | 2010 |
| INTERNATIONAL UNION OF PAINTERS AND ALLIED TRADES POLITICAL ACTION TOGETHER POLITICAL COMMITTEE | $5K | 1 | 2012 |
| UNITED FOOD AND COMMERCIAL WORKERS INTERNATIONAL UNION ACTIVE BALLOT CLUB | $5K | 1 | 2012 |
| UNITED ASSOCIATION OF JOURNEYMEN & APPRENTICES OF THE U.S. & CANADA LOCAL 447 FEDERAL PAC | $5K | 1 | 2012 |
| INT'L ASSOCIATION OF BRIDGE, STRUCTURAL, ORNAMENTAL AND REINFORCING IRON WORKERS (IPAL) | $3K | 1 | 2012 |
| AMALGAMATED TRANSIT UNION - COPE | $3K | 1 | 2012 |