Labcorp Holdings Inc. provides laboratory services. It operates through two segments, Diagnostics Laboratories and Biopharma Laboratory Services. The company offers various tests, such as blood chemistry analyses, urinalyses, blood cell counts, thyroid, PAP, hemoglobin A1C and vitamin D, prostate-specific antigens, sexually transmitted diseases, hepatitis C, microbiology cultures and procedures, and alcohol and other substance-abuse tests. It also provides specialty testing services comprising gene-based and esoteric testing; advanced tests target specific diseases; services related to anatomic pathology/oncology, cardiovascular disease, coagulation, diagnostic genetics, endocrinology, infectious disease, women's health, pharmacogenetics, parentage and donor testing, occupational testing services, medical drug monitoring services, chronic disease programs, and kidney stone prevention tests; and health and wellness services to employers and managed care organizations (MCOs). In addition, the company offers online and mobile applications that enable patients to check test results; online applications for providers, MCOs, and accountable care organizations; specimen collection services; and drug development, medical device, and companion diagnostic development solutions, as well as support for crop protection and chemical testing. It serves pharmaceutical, biotechnology, medical device, and diagnostics companies; and MCOs, employer plans, other health insurance providers, governmental agencies, physicians and other healthcare providers, hospitals and health systems, employers, patients and consumers, contract research organizations, crop protection and chemical companies, academic institutions, independent clinical laboratories, and retailers. The company was founded in 1995 is headquartered in Burlington, North Carolina.

Quest Diagnostics Incorporated provides diagnostic testing and services in the United States and internationally. The company develops and delivers diagnostic information services, such as routine, non-routine and advanced clinical testing, anatomic pathology testing, and other diagnostic information services. It offers diagnostic information services primarily under the Quest Diagnostics brand, as well as under the AmeriPath, Dermpath Diagnostics, ExamOne, and Quanum brands to physicians, hospitals, patients and consumers, health plans, government agencies, employers, retailers, pharmaceutical companies and insurers, and accountable care organizations through a network of laboratories, patient service centers, phlebotomists in physician offices, call centers and mobile phlebotomists, nurses, and other health and wellness professionals. The company also provides risk assessment services for the life insurance industry; and healthcare organizations and clinicians information technology solutions. Quest Diagnostics Incorporated was founded in 1967 and is headquartered in Secaucus, New Jersey.

Fresenius Medical Care AG provides dialysis and related services for individuals with renal diseases in Germany, North America, and internationally. The company offers dialysis treatment and related laboratory and diagnostic services through a network of outpatient dialysis clinics; materials, training, and patient support services comprising clinical monitoring, follow-up assistance, and arranging for delivery of the supplies to the patient's residence; and dialysis services under contract to hospitals in the United States for the hospitalized end-stage renal disease (ESRD) patients and for patients suffering from acute kidney failure. It also develops, manufactures, and distributes various health care products, including polysulfone dialyzers, hemodialysis machines, peritoneal dialysis cyclers, peritoneal dialysis solutions, hemodialysis concentrates, solutions and granulates, bloodlines, renal pharmaceuticals, systems for water treatment, and acute cardiopulmonary and apheresis products. In addition, the company develops, acquires, and in-licenses renal pharmaceuticals; offers renal medications and supplies to patients at homes or to dialysis clinics; and provides vascular, cardiovascular, endovascular specialty, vascular care ambulatory surgery center, and physician nephrology and cardiology services. The company sells its products to dialysis clinics, hospitals, and specialized treatment clinics directly, as well as through local sales forces, independent distributors, dealers, and sales agents. Fresenius Medical Care AG was incorporated in 1996 and is headquartered in Bad Homburg, Germany.

CareDx, Inc. engages in the discovery, development, and commercialization of diagnostic solutions for transplant patients and caregivers in the United States and internationally. It also provides AlloSure Kidney, a donor-derived cell-free DNA (dd-cfDNA) solution for kidney transplant patients; AlloMap Heart, a gene expression solution for heart transplant patients; AlloSure Heart, a dd-cfDNA solution for heart transplant patients; and AlloSure Lung, a dd-cfDNA solution for lung transplant patients. The company offers Olerup SSP, which is used to type human leukocyte antigen (HLA) alleles based on sequence specific primer technology; QTYPE that enables precision in HLA typing; and Ottr, a transplant patient management software. In addition, it provides AlloSeq Tx, a high-resolution HLA typing solution; AlloSeq cfDNA, a surveillance solution to measure dd-cfDNA in blood; AlloSeq HCT, a solution for chimerism testing for stem cell transplant recipients; Allocell, a surveillance solution that monitors the level of engraftment and persistence of allogeneic cells for patients who have received cell therapy transplants; and XynQAPI cloud-based transplant quality management software, as well as AlloCare, a mobile app that offers a patient-centric resource for transplant recipients. The company offers its products directly to customers, as well as through third-party distributors and sub-distributors. It has a license agreement with Illumina, Inc. for the distribution, development, and commercialization of NGS products and technologies; and Cibiltech SAS to commercialize iBox, a software for the predictive analysis of post-transplantation kidney allograft loss. The company was formerly known as XDx, Inc. and changed its name to CareDx, Inc. in March 2014. The company was incorporated in 1998 and is headquartered in South San Francisco, California.

Outset Medical, Inc., a medical technology company, engages in the development of a hemodialysis system for hemodialysis in the United States. The company offers Tablo Hemodialysis System, a compact console with integrated water purification, on-demand dialysate production, and software and connectivity capabilities for dialysis care in acute and home settings; and manufactures, supports, and distributes for Tablo console, Tablo cartridge, and other consumables. It also provides Tablo Data Ecosystem, including TabloHub, a customer-facing portal; MyTablo, a patient-facing portal; and TabloDash, an internal data analytics platform. The company was formerly known as Home Dialysis Plus, Ltd. and changed its name to Outset Medical, Inc. in January 2015. Outset Medical, Inc. was incorporated in 2003 and is headquartered in San Jose, California.

Rockwell Medical, Inc., together with its subsidiaries, operates as a healthcare company that engages in the development, manufacture, commercialization, and distribution of various hemodialysis products for dialysis providers worldwide. Also, the company manufactures, sells, delivers, and distributes hemodialysis concentrates, such as CitraPure citric acid concentrate, Dri-Sate dry acid concentrate, RenalPure liquid acid concentrate, dry acid concentrate mixer, and RenalPure and SteriLyte powder bicarbonate concentrate; and ancillary products, including testing supplies, 5% acetic acid cleaning solution, 5% and 2% citric acid descaler, filtration salts, and other items used by hemodialysis providers. The company's hemodialysis concentrate products are used to sustain patient's life by removing toxins and balancing electrolytes in a dialysis patient's bloodstream. The company serves to hemodialysis clinics. Rockwell Medical, Inc. was formerly known as Rockwell Medical Technologies, Inc. and changed its name to Rockwell Medical, Inc. in June 2012. Rockwell Medical, Inc. was incorporated in 1996 and is headquartered in Wixom, Michigan.

ModivCare Inc., a technology-enabled healthcare services company, provides a suite of integrated supportive care solutions for public and private payors and their members. The company operates through four segments: Non-Emergency Medical Transportation (NEMT), Personal Care, Remote Patient Monitoring (RPM), and Corporate and Other. The company offers risk underwriting, contact center management, network credentialing, claims management, and non-emergency medical transport management services for Medicaid or Medicare eligible members, whose limited mobility or financial resources hinder their ability to access necessary healthcare and social services. It also provides in-home personal care services, such as bathing, personal hygiene, grooming, oral care, dressing, medication reminders, meal planning, preparation and feeding, housekeeping, transportation services, prescription reminders, and assistance with dressing and ambulation services through placing non-medical personal care assistants, home health aides, and skilled nurses primarily to Medicaid patients in need of care monitoring and assistance in performing daily living activities, including senior citizens and disabled adults. In addition, the company offers remote patient monitoring solutions, including personal emergency response systems, vitals monitoring, medication management, and data-driven patient engagement solutions. It serves federal, state, and local government agencies, MCOs, commercial insurers, private individuals, and health systems. The company was formerly known as The Providence Service Corporation and changed its name to ModivCare Inc. in January 2021. ModivCare Inc. was incorporated in 1996 and is headquartered in Denver, Colorado.

SeaStar Medical Holding Corporation, a medical device company, develops a platform therapy to reduce the consequences of hyperinflammation on vital organs in the United States. The company offers inflammatory response to fend off infections and repair damaged tissue in the body. It is also developing products in various therapeutic areas, including pediatric and adult acute kidney injury on CRRT; cardiorenal syndrome in congestive heart failure; myocardial stunning in end stage renal disease; and hepatorenal syndrome. The company is headquartered in Denver, Colorado.