Health Care Service Corporation (HCSC) is the largest customer-owned health insurer in the United States and operates under the Blue Cross and Blue Shield brand in five states: Illinois, Montana, New Mexico, Oklahoma, and Texas. Established in 1936, HCSC is committed to providing its members with access to affordable, quality healthcare. The company focuses on improving health and wellness in the communities it serves by offering a wide range of health plans for individuals, families, and businesses. HCSC also emphasizes innovation and technology to enhance the member experience. As a mutual legal reserve company, HCSC operates independently, free from the pressures of shareholders, which allows it to prioritize the needs of its members and invest in long-term healthcare solutions.