Concentra Preferred Systems (CPS), a wholly owned subsidiary of Concentra Corporation, is the nation's largest outsourced provider of specialized cost containment services for the Healthcare industry. The company employs over 750 professionals across the United States, with headquarters in Naperville, Illinois and operations offices in Weymouth, MA., Frederick, MD., Rockville, MD., Stroudsburg, PA., Salt Lake City, UT., and Dallas, TX. Since 2000, CPS has generated over $3 billion in savings for its clients, a figure without peer in the cost containment sector.