The Mental Health and Mental Retardation Authority of Harris County, also known as MHMRA of Harris County, is one of the largest mental health centers in the United States. It serves more than 30,000 children with emotional disturbances and people who suffer from mental illness and retardation. The Mental Health and Mental Retardation Authority of Harris County offers neuropsychiatry analysis, crisis intervention and behavioral health status assessment services. It operates the Crisis Residential Unit, which is a more than 15-bed residential treatment center that provides emergency and clinical care services for people above the age of 18. The organization additionally accepts various state, local and private insurance plans. The Mental Health and Mental Retardation Authority of Harris County maintains a presence in Houston.