Acadia Healthcare Company, Inc. provides behavioral healthcare services in the United States and Puerto Rico. The company offers behavioral healthcare services to its patients in various settings, including inpatient psychiatric hospitals, specialty treatment facilities, residential treatment centers, and outpatient clinics.

Tenet Healthcare Corporation operates as a diversified healthcare services company. The company operates in three segments: Hospital Operations and Other, Ambulatory Care, and Conifer.

HCA Healthcare, Inc., through its subsidiaries, provides health care services company in the United States. The company operates general and acute care hospitals that offers medical and surgical services, including inpatient care, intensive care, cardiac care, diagnostic, and emergency services; and outpatient services, such as outpatient surgery, laboratory, radiology, respiratory therapy, cardiology, and physical therapy.

DaVita Inc. provides kidney dialysis services for patients suffering from chronic kidney failure. The company operates kidney dialysis centers and provides related lab services in outpatient dialysis centers.

InnovAge Holding Corp. manages and provides a range of medical and ancillary services for seniors in need of care and support to live independently in their homes and communities.

agilon health, inc. offers healthcare services for seniors through primary care physicians in the communities of the United States. As of December 31, 2021, it served approximately 238,000 senior members, which included 186,300 medicare advantage members and 51,700 medicare fee-for-service beneficiaries.

Enhabit, Inc. provides home health and hospice services in the United States. Its home health services include patient education, pain management, wound care and dressing changes, cardiac rehabilitation, infusion therapy, pharmaceutical administration, and skilled observation and assessment services; practices to treat chronic diseases and conditions, including diabetes, hypertension, arthritis, Alzheimer's disease, low vision, spinal stenosis, Parkinson's disease, osteoporosis, complex wound care and chronic pain, along with disease-specific plans for patients with diabetes, congestive heart failure, post-orthopedic surgery, or injury and respiratory diseases; and physical, occupational and speech therapists provide therapy services.

The Ensign Group, Inc. provides health care services in the post-acute care continuum and other ancillary businesses. The company operates in two segments, Skilled Services and Real Estate.

The Pennant Group, Inc. provides healthcare services in the United States. It operates in two segments, Home Health and Hospice Services, and Senior Living Services.

Surgery Partners, Inc., through its subsidiaries, owns and operates a network of surgical facilities and ancillary services in the United States.

Encompass Health Corporation provides facility-based and home-based post-acute healthcare services in the United States. The company operates in two segments, Inpatient Rehabilitation, and Home Health and Hospice.

Healthcare Services Group, Inc. provides management, administrative, and operating services to the housekeeping, laundry, linen, facility maintenance, and dietary service departments of nursing homes, retirement complexes, rehabilitation centers, and hospitals in the United States.

Universal Health Services, Inc., through its subsidiaries, owns and operates acute care hospitals, and outpatient and behavioral health care facilities. The company operates through Acute Care Hospital Services and Behavioral Health Care Services segments.

Addus HomeCare Corporation, together with its subsidiaries, provides personal care services to elderly, chronically ill, disabled persons, and individuals who are at risk of hospitalization or institutionalization in the United States.

Select Medical Holdings Corporation, through its subsidiaries, operates critical illness recovery hospitals, rehabilitation hospitals, outpatient rehabilitation clinics, and occupational health centers in the United States.