Health Care Service Corporation

About Health Care Service Corporation

Health Care Service Corporation is the largest customer-owned health insurer in the United States, operating Blue Cross and Blue Shield plans in Illinois, Montana, New Mexico, Oklahoma, and Texas. It provides medical, dental, vision, life, and disability coverage to nearly 17 million members through individual, employer, and government programs. The company emphasizes community health investments, digital services, and value-based care initiatives. Founded in 1936 and headquartered in Chicago, HCSC is licensed as a mutual legal reserve company and governed by its policyholders.