The group's principal activity is to provide managed healthcare services to correctional facilities and to military personnel. It makes contracts with state, county and local governmental agencies to provide comprehensive healthcare services to the inmates of prisons, county/municipal jails and detention centers. These services include the distribution of pharmaceuticals and certain medical supplies. The hospitalization and specialty outpatient care is performed through subcontract arrangements with independent doctors and local hospitals. The group also provides emergency medicine and primary healthcare services to active and retired military personnel and their dependents. These are offered in the medical facilities operated by the United States department of defense and the United States veterans administration. The correction department of riker's island in New York and the state of Pennsylvania are the major customers of the group.