Highmark is an American for-profit healthcare company and Integrated Delivery Network based in Pittsburgh.

On March 28, 2007, Highmark announced it intended to consolidate with Independence Blue Cross of Philadelphia.

The combination of the 2 insurers would have created a new company with over 18,000 employees, dual-headquarters in both Pittsburgh and Philadelphia and an economic impact of over $4 billion throughout the Commonwealth of Pennsylvania.

[6] In 2011 the company announced it would buy the financially troubled West Penn Allegheny Health System (WPAHS) for about $500 million, expanding from insurance into owning hospitals.

[17][18] Highmark Inc. has several wholly owned for-profit subsidiaries: United Concordia Companies, Inc., a dental insurer; Davis Vision, a provider of managed care vision benefits; Visionworks of America, a vision retail provider offering frames, lens and accessories; and HM Insurance Group, a reinsurer providing stop-loss, limited benefit medical plans, worksite, life, disability, and administrative services.