Nonprofit health insurer serving millions in multiple US states. Highmark Inc. is a nonprofit healthcare organization headquartered in Pittsburgh, Pennsylvania. Serving approximately 7 million members primarily in Pennsylvania, West Virginia, Delaware, and New York, the company operates as an independent licensee of the Blue Cross Blue Shield Association. It was established in 1977 and expanded significantly through a 1996 consolidation. Highmark offers a wide range of health insurance products and is part of Highmark Health, which also manages an integrated healthcare delivery network through Allegheny Health Network. The company's services extend into dental, vision, reinsurance, and health technology solutions. As of 2023, Highmark Health employs more than 44,000 people across its subsidiaries, with around 5,460 working in its insurance division.