| Support | Working Families for Healthy Communities supporting Becerra for Governor 2026 sponsored by labor and community health organizations | $17,222,466 |
| 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 | $483,806 |
| Support | Mobilizing Economic Transformation Across (Meta) California | $478,572 |
| 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 | $134,882 |
| Support | OUTFRONT MEDIA, INC. AND AFFILIATED ENTITIES | $22,500 |
| Support | Planned Parenthood Affiliates of California VOTES PAC | $21,546 |
| Support | California's Best | $15,000 |
| Support | GrowSF Voter Guide | $14,511 |
| Support | United Domestic Workers of America Independent Expenditure PAC | $3,260 |
| Support | ACLU California Action Votes | $2,368 |
| Support | California Federation of Teachers COPE | $2,017 |
| Support | Alice B. Toklas LGBTQ Democratic Club PAC | $1,754 |
| Support | DEMOCRATIC PARTY OF ORANGE COUNTY | $150 |