Arranging of managed care contractual services in the fields of diagnostic imaging, home health care, durable medical equipment, specialty pharmacy, and diagnostic lab services; Business services provided to a network of health care providers, namely, the negotiation and execution of contracts with health care payors; Business services, namely, independent medical management services for self-funded major medical health plans; Collecting and analyzing claims data from healthcare organizations for business purposes; Consulting services in the cost management of health care; Consulting services, namely, to employers, community organizations, brokers and beneficiaries, related to consumer information regarding health care plan options, products and programs in the field of managed care and state and federal medical care programs; Cost management for the health benefit plans of others; Cost management for the employer sponsored health benefit plans of others; Health care cost containment; Health care cost review; Medical cost management; Providing health insurance exchanges in the nature of a marketplace that offers purchasers of health insurance a variety of plans from different insurance providers