California has the largest workers’ compensation self-insurance program in the nation.  As of January 1, 2026, a total of 7,049 California employers are active self-insured, not counting past self-insured employers that were still paying claims from their periods of self-insurance.  These totals include: In addition, 8,579 former self-insured employers were still paying claims from their periods of self-insurance.  These include: These employers choose to self-insure their workers' compensati...