US - Missouri - Department of Labor and Industrial Relations (DOLIR) - Division of Workers' Compensa
The Division provides compensation for work-related injury, and information about employer requirements to have workers' compensation insurance. It also answers questions about workers' compensation benefits, evaluates work sites for worker safety, provides information on self-insurance, resolves medical fee disputes, and assists victims injured in a violent crime.
http://www.dolir.state.mo.us/wc/.