The Workers Compensation Rating and Inspection Bureau of Massachusetts is a private, nonprofit association of insurers that is licensed by the Massachusetts Division of Insurance as a rating organization for workers' compensation insurance. As a licensed rating organization, the bureau collects policy, claims and financial data from all carriers licensed to sell workers' compensation insurance in Massachusetts. It then files rates, classifications and rating plans on behalf of its member insurers and issues experience modifications and classification rulings for employers. The bureau acts as the workers' compensation statistical agent and assigned risk pool administrator for the Division of Insurance and coverage verification entity for the Department of Industrial Accidents. WCRIBM has been serving the needs of insurers, regulators, insurance agents and employers in Massachusetts since 1915.