Hanger Prosthetics and Orthotics is one of the leading providers of prosthetics and orthotics in the United States. It provides patient care services to more than 650,000 patients every year. Hanger Prosthetics and Orthotics also offers post-mastectomy care and a specialty footwear program for diabetics. Located in Sun City, Ariz., the company has more than 600 patient care centers across the United States. It is a division of Hanger Orthopedic Group Inc. Hanger Orthopedic Group Inc. comprises four wholly-owned subsidiaries that serve different segments of the orthotics and prosthetics industry: Hanger Prosthetics and Orthotics, SPS, Innovative Neurotronics and Linkia.