Acadia Healthcare Company, Inc. is a provider of inpatient behavioral healthcare services in the United States. The Company's principal business is to develop and operate inpatient psychiatric facilities, residential treatment centers, group homes, substance abuse facilities and facilities providing outpatient behavioral health services in the United States. As of March 1, 2011, the Company operated a total of 32 behavioral healthcare inpatient and outpatient facilities, with over 2,100 licensed beds, in 19 states. In September 2012, it acquired Timberline Knolls, a 122-bed inpatient behavioral healthcare facility located near Chicago in Lemont, Illinois. In November 2012, the Company purchased Park Royal Hospital. On January 1, 2013, the Company acquired Greenleaf Center. In May 2013, the Company merged with Capestrano Investment Co. In May 2013, it merged with Ten Broeck Tampa Inc.