PharMerica Corp. is one of the leading institutional pharmacy service companies in the United States. Located in San Diego, Calif., it operates approximately 97 institutional pharmacies in 43 states. The firm offers prescription and non-prescription pharmaceuticals in accordance with physician orders and delivers such medication to health care facilities for administration to individual patients and residents. In addition, it provides various supplemental health care services that complement its institutional pharmacy services. The firm s customers include nursing centers, assisted living facilities, hospitals and other long-term care providers.