Cigna Corporation provides insurance and related products and services in the United States. Its Evernorth segment provides a range of coordinated and point solution health services, including pharmacy, benefits management, care delivery and management, and intelligence solutions to health plans, employers, government organizations, and health care providers.

Humana Inc., together with its subsidiaries, operates as a health and well-being company in the United States. It operates through three segments: Retail, Group and Specialty, and Healthcare Services.

Elevance Health Inc. operates as a health benefits company. It supports consumers, families, and communities across the entire care journey connecting to the care, support, and resources to lead healthier lives.

Centene Corporation operates as a multi-national healthcare enterprise that provides programs and services to under-insured and uninsured individuals in the United States.

Molina Healthcare, Inc. provides managed health care services to low-income families and individuals under the Medicaid and Medicare programs and through the state insurance marketplaces.

CVS Health Corporation provides health services in the United States. The company's Health Care Benefits segment offers traditional, voluntary, and consumer-directed health insurance products and related services.

Alignment Healthcare, Inc., a tech-enabled Medicare advantage company, operates consumer-centric health care platform. It provides customized health care in the United States to seniors and those who need it through its Medicare advantage plans.