| Support | Working Families for Healthy Communities supporting Becerra for Governor 2026 sponsored by labor and community health organizations | $15,341,571 |
| Support | Latinos United for Xavier Becerra for Governor 2026 | $1,798,423 |
| Support | California Professional Firefighters IE PAC | $488,358 |
| Support | Californios Unidos por Becerra for Governor 2026, Sponsored by Laborers' International Union of North America, Local 300 | $475,299 |
| Support | California People Supporting Xavier Becerra for Governor 2026 | $356,000 |
| Support | Union of American Physicians and Dentists Independent Expenditure Committee | $246,500 |
| Support | Working Families for a Stronger California, Sponsored by LCCC PAC, A Bi-partisan Coalition of Municipal, County, Latino Appointed and Elected Leaders PAC | $168,051 |
| Support | San Diego Labor Coalition, Sponsored by Laborers' International Union of North America Local 89 | $124,842 |
| Support | OUTFRONT MEDIA, INC. AND AFFILIATED ENTITIES | $22,500 |
| Support | California's Best | $15,000 |
| Support | Planned Parenthood Affiliates of California VOTES PAC | $3,500 |
| Support | ACLU California Action Votes | $2,368 |
| Support | Alice B. Toklas LGBTQ Democratic Club PAC | $1,754 |