Headquartered in Southern California, Signature Healthcare Services, LLC is one of the largest privately-held behavioral health hospital companies in the U.S. Signature delivers mental health and substance abuse treatment through 19 acute care hospitals located in several states across the country. All facilities are accredited by CMS and The Joint Commission, and the organization is committed to providing excellence in quality patient care. Amongst the many hospitals inside the Signature umbrella, the organization also operates a large number of its facilities under the Aurora Behavioral Health" brand.