Robert F. van Dyke

RealMed Corp. provides health care administration solutions which use Internet to automate health care transactions and information exchange between providers, payers, and patients. Its revenue cycle management is a menu of services extended to clients, both payers and providers, which include claims preparation, management, and payments as well as accounts receivable management. The company was founded in 1995 and is headquartered in Indianapolis, IN.

CIGNA HealthCare, Inc. provides medical benefit plans, dental coverage, behavioral health coverage, pharmacy benefits, and products and services. the company is headquartered in Bloomfield, CT.

Principal Health Care, Inc. was a provider of life and health insurance and financial services. It is a managed health care company that provides health benefits and services to a broad cross section of employer and government-funded groups. In April 1998, Coventry Corp. merged with Principal Health Care, Inc., a subsidiary of The Principal Financial Group, and formed a new company called Coventry Health Care, Inc. The company was headquartered in Des Moines, IA.

Aetna, Inc. engages in the provision of traditional, voluntary, and consumer-directed health insurance products and related services. It offers benefits, products and services to individuals, employers, healthcare professionals, and producers. The company was founded by Eliphalet Adams Bulkeley in 1853 and is headquartered in Hartford, CT.

MedStar Health, Inc. operates community hospitals and provides healthcare services. It offers rehabilitation, transplant, women's health, sports medicine, and neuroscience services. The company was founded in 1999 and is headquartered in Columbia, MD.