Highmark is a not-for-profit healthcare company based in Pittsburgh, Pennsylvania, United States. It is the largest health insurer in Pennsylvania, and through a purchase in 1996, the largest health insurer in West Virginia. As Highmark Blue Cross Blue Shield, it primarily serves the 29 counties of western Pennsylvania. As Highmark Blue Shield it services 21 counties of Central Pennsylvania and the Lehigh Valley. There is also a presence in the border areas of eastern Ohio, and all of West Virginia through its subsidiary Highmark Blue Cross Blue Shield West Virginia. Highmark has a stake in the largest health insurer in northeastern Pennsylvania as well, Blue Cross of North East Pennsylvania BCNEPA. It is currently one of the largest not-for-profit health insurers in the United States which owns several for-profit subsidiaries.
Read more about Highmark: Company History, Subsidiary Business, Community Involvement, Consolidation With Independence Blue Cross, Individual and Family Plans