Business administration services in the field of of health care plans that offer preferred access and rates to participating health care providers offices, medical centers and hospitals; health care management services, namely, medical cost management, medical referrals, health care utilization and review, health care administration services, namely, developing, organizing, marketing and operating health care networks of physicians, hospitals and other health care providers featuring discounts for medical products and services to its members; providing on-line business directory information services displaying health care networks of physicians, hospitals and other health care providers who provide preferred rates to members