The group's principal activity is the provision of personal home health care services. these services include nursing, physical therapy, occupational therapy, speech therapy, medical social services, home health aid services, and other specialty services like mental health and wellness, perinatal/high risk pregnancy and disease management. the group provides its services to four types of payor sources. these sources include federal and state funded public assistance programs (medicare and medicaid), other third party payors (subcontracts), insurance companies and private payors. a substantial portion of the group's revenue is derived from subcontracts that the group has with medicare certified home health care agencies and long-term health care provider programs that subcontract their patients to the group. during fiscal 2001, the group acquired certain assets of health force owned, ltd.