COMMUNITY California Department of Industrial Relations Primary regulators of industrial and employment matters in the State of California. California's Workers' Compensation Rating Bureau The insurer owned bureau that sets advisory Workers' Compensation rates for California insurers and calculates Experience Modification Rates for California business. California's Secretary of State Corporate and business entity filings, pro-forma articles of incorporation, California corporation and business lookup. California's Department of Insurance The State of California's primary insurance regulatory body with responsibility for everything from approving rate filings to licensing agents, brokers and producers and fielding industry complaints.