Highmark Inc. and its health insurance subsidiaries and affiliates collectively are one of America's largest health insurance organizations and together with its Blue-branded affiliates, collectively comprise the fourth-largest overall Blue Cross and Blue Shield-affiliated organization in the country based on capital. Highmark Inc. and its affiliates operate health insurance plans in Pennsylvania, Delaware, and West Virginia that serve approximately 4.5 million members and hundreds of thousands of additional individuals through the BlueCard® program. Its diversified businesses serve group customer and individual needs across the United States through dental insurance and other related businesses.