McKesson Corporation provides healthcare services in the United States and internationally. It operates through four segments: U.S. Pharmaceutical, Prescription Technology Solutions (RxTS), Medical-Surgical Solutions, and International. The U.S. Pharmaceutical segment distributes branded, generic, specialty, biosimilar and over-the-counter pharmaceutical drugs, and other healthcare-related products. This segment also offers practice management, technology, clinical support, and business solutions to community-based oncology and other specialty practices; and consulting, outsourcing, technological, and other services, as well as sells financial, operational, and clinical solutions to pharmacies. The RxTS segment serves biopharma and life sciences partners, and patients to address medication challenges for patients by working across healthcare; connects patients, pharmacies, providers, pharmacy benefit managers, health plans, and biopharma companies to deliver innovative solutions to help people get the medicine needed to live healthier lives; and provides prescription price transparency, benefit insight, dispensing support, third-party logistics, and wholesale distribution support services. The Medical-Surgical Solutions segment offers medical-surgical supply distribution, logistics, and other services to healthcare providers, including physician offices, surgery centers, nursing homes, hospital reference labs, and home health care agencies. The International segment provides distribution and services to wholesale, institutional, and retail customers in Europe and Canada. McKesson Corporation was founded in 1833 and is headquartered in Irving, Texas.

HCA Healthcare, Inc., through its subsidiaries, owns and operates hospitals and related healthcare entities in the United States. It 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. The company also operates outpatient health care facilities consisting of freestanding ambulatory surgery centers, freestanding emergency care facilities, urgent care facilities, walk-in clinics, diagnostic and imaging centers, rehabilitation and physical therapy centers, radiation and oncology therapy centers, physician practices, and various other facilities. In addition, it operates behavioral hospitals, which provide therapeutic programs comprising child, adolescent and adult psychiatric care, adolescent and adult alcohol, drug abuse treatment, and counseling services. The company was formerly known as HCA Holdings, Inc. HCA Healthcare, Inc. was founded in 1968 and is headquartered in Nashville, Tennessee.

Tenet Healthcare Corporation operates as a diversified healthcare services company in the United States. The company operates through two segments: Hospital Operations and Services, and Ambulatory Care. Its general hospitals offer acute care services, operating and recovery rooms, radiology and respiratory therapy services, clinical laboratories, and pharmacies. The company also provides intensive and critical care, and/or coronary care units; cardiovascular, digestive disease, neurosciences, musculoskeletal, and obstetrics services; outpatient services, including physical therapy; tertiary care services, such as cardiothoracic surgery, complex spinal surgery, neonatal intensive care, and neurosurgery services; quaternary care services in heart and kidney transplants; and limb salvaging vascular procedure, acute level 1 trauma, intravascular stroke care, minimally invasive cardiac valve replacement, imaging, surgical robotic, and telemedicine access services. In addition, it offers a range of procedures and services, such as orthopedics, total joint replacement, and spinal and other musculoskeletal procedures; gastroenterology; pain management; otolaryngology; ophthalmology; and urology. It operates hospitals, ambulatory surgery centers, imaging centers, surgical hospitals, off-campus emergency departments, and micro-hospitals. Tenet Healthcare Corporation was founded in 1967 and is headquartered in Dallas, Texas.

Universal Health Services, Inc., through its subsidiaries, owns and operates acute care hospitals, and outpatient and behavioral health care facilities. It operates through Acute Care Hospital Services and Behavioral Health Care Services segments. The company's hospitals offer general and specialty surgery, internal medicine, obstetrics, emergency room care, radiology, oncology, diagnostic and coronary care, pediatric services, pharmacy services, and/or behavioral health services. It also provides commercial health insurance services; and various management services, which include central purchasing, information, finance and control systems, facilities planning, physician recruitment, administrative personnel management, marketing, and public relations services. Universal Health Services, Inc. founded in 1978 and is headquartered in King of Prussia, Pennsylvania.

AMN Healthcare Services, Inc. provides healthcare workforce solutions and staffing services to healthcare facilities in the United States. It operates through three segments: Nurse and Allied Solutions, Physician and Leadership Solutions, and Technology and Workforce Solutions. The Nurse and Allied Solutions segment offers travel nurse staffing, labor disruption staffing, local staffing, international nurse and allied permanent placement, and allied staffing solutions. The Physician and Leadership Solutions segment provides locum tenens staffing, healthcare interim leadership staffing, executive search, and physician permanent placement solutions. The Technology and Workforce Solutions segment offers language services, vendor management systems, workforce optimization, and outsourced solutions. The company also provides allied health professionals, such as physical therapists, respiratory therapists, occupational therapists, medical and radiology technologists, lab technicians, speech pathologists, rehabilitation assistants, and pharmacists. It offers its services under the brands, including AMN Healthcare, Nursefinders, HealthSource Global Staffing, O'Grady Peyton International, Connetics, Medical Search International, DRW Healthcare Staffing, and B.E. Smith. AMN Healthcare Services, Inc. was founded in 1985 and is headquartered in Dallas, Texas.

Community Health Systems, Inc. owns, leases, and operates general acute care hospitals in the United States. It offers general acute care, emergency room, general and specialty surgery, critical care, internal medicine, obstetrics, diagnostic, psychiatric, and rehabilitation services, as well as skilled nursing and home care services. The company also provides outpatient services at primary care practices, urgent care centers, free-standing emergency departments, ambulatory surgery centers, imaging and diagnostic centers, and direct-to-consumer virtual health visits. The company was incorporated in 1996 and is headquartered in Franklin, Tennessee.

NeueHealth, Inc., a healthcare company, provides various healthcare services for health consumers, providers, and payors in the United States. It operates through two segments: NeueCare and NeueSolutions. The NeueCare segment delivers healthcare services to ACA marketplace, medicare, and medicaid through owned and affiliated clinics. It operates risk-bearing clinics under the Centrum Health, AssociatesMD, and Premier Medical Associates brand names. The company also offers integrated system care solution, such as embedded pharmacy, laboratory, radiology, and population health focused specialty services; and chronic care management, transitions of care, and referral management services. The NeueSolutions segment enables providers and medical groups to succeed in performance-based arrangements; and participates in the centers for healthcare access to medicare beneficiaries. The company was formerly known as Bright Health Group, Inc. and changed its name to NeueHealth, Inc. in January 2024. NeueHealth, Inc. was incorporated in 2015 and is headquartered in Doral, Florida.

National HealthCare Corporation engages in the operation of services to skilled nursing facilities, assisted and independent living facilities, homecare and hospice agencies, and health hospitals. Its skilled nursing facilities offer licensed therapy services, nutrition services, social services, activities, and housekeeping and laundry services, as well as medical services prescribed by physicians; and rehabilitative services, such as physical, speech, respiratory, and occupational therapy for patients recovering from strokes, heart attacks, orthopedic conditions, neurological illnesses, or other illnesses, injuries, or disabilities. The company's medical specialty units comprise memory care units and sub-cute nursing units that provide specialized care and programs for persons with Alzheimer's or related disorders; and assisted living facilities offer personal care services and assistance with general activities of daily living, such as dressing, bathing, meal preparation, and medication management. Its independent living facilities offers specially designed residential units for the active and ambulatory elderly and provide various ancillary services for residents, including restaurants, activity rooms and social areas; and behavioral health services to both adults and geriatric patients with psychiatric, emotional, and addictive disorders. In addition, the company's homecare agencies assist those who wish to stay at home or in assisted living residences but still require some degree of medical care or assistance with daily activities; hospice agencies that provides hospice and palliative care; and operates pharmacies, as well as managed care insurance solutions. Further, it offers management, accounting, and financial services; and leases its properties to third party operators. The company was founded in 1971 and is based in Murfreesboro, Tennessee.