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.

Exact Sciences Corporation provides cancer screening and diagnostic test products in the United States and internationally. The company offers Cologuard, a non-invasive stool-based DNA screening test to detect DNA and hemoglobin biomarkers associated with colorectal cancer and pre-cancer. It also provides Oncotype DX Breast Recurrence Score Test; Oncotype DX Breast DCIS Score Test; Oncotype DX Colon Recurrence Score Test; OncoExTra Test for tumor profiling for patients with advanced, metastatic, refractory, relapsed, or recurrent cancer; and Covid-19 testing services. The company's pipeline products focus on enhancing the Cologuard test's performance characteristics and developing blood and other fluid-based tests. It has license agreements with MAYO Foundation for Medical Education and Research, and Johns Hopkins University. Exact Sciences Corporation was incorporated in 1995 and is headquartered in Madison, Wisconsin.

Guardant Health, Inc., a precision oncology company, provides blood and tissue tests, data sets, and analytics in the United States and internationally. The company provides Guardant360; Guardant360 LDT; Guardant360 CDx Test; Guardant360 Response Test; Guardant360 TissueNext Test; GuardantINFINITY Test; GuardantConnect, an integrated software-based solution designed for clinical and biopharmaceutical customers to connect patients tested with assays with actionable alterations with potentially relevant clinical studies; GuardantOMNI Test for advanced stage cancer; and GuardantINFORM, an in-silico research platform for tumor evolution and treatment resistance across various biomarker-driven cancers. It offers Shield Test; Guardant Reveal Test for adjuvant treatment selection in early-stage cancer patients; Smart Liquid Biopsy Platform; and Guardant Galaxy, an AI-backed digital pathology platform that helps improve cancer biomarker detection. In addition, the company offers development services, including companion diagnostic development and regulatory approval, clinical study setup, monitoring and maintenance, testing development and support, technologies licensing, and kits fulfillment. The company has a collaboration agreement with Illumina, Inc. for the sharing of specimen samples to advance cancer research. The company was incorporated in 2011 and is headquartered in Palo Alto, California.

QuidelOrtho Corporation provides diagnostic testing solutions. The company operates through Labs, Transfusion Medicine, Point-of-Care, and Molecular Diagnostics business units. The Labs business unit provides clinical chemistry laboratory instruments and tests that measure target chemicals in bodily fluids for the evaluation of health and the clinical management of patients; immunoassay laboratory instruments and tests, which measure proteins as they act as antigens in the spread of disease, antibodies in the immune response spurred by disease, or markers of proper organ function and health; testing products to detect and monitor disease progression across a spectrum of therapeutic areas; and specialized diagnostic solutions. The Transfusion Medicine business unit offers immunohematology instruments and tests used for blood typing to ensure patient-donor compatibility in blood transfusions; and donor screening instruments and tests used for blood and plasma screening for infectious diseases. The Point-of-Care business unit provides instruments and tests to provide rapid results across a continuum of point-of-care settings. The Molecular Diagnostics business unit offers polymerase chain reaction thermocyclers; amplification systems; and sample-to-result molecular instruments and tests for syndromic infectious disease diagnostics. The company sells its products directly to end users through a direct sales force; and through a network of distributors for professional use in physician offices, hospitals, clinical laboratories, reference laboratories, urgent care clinics, universities, retail clinics, pharmacies, wellness screening centers, blood banks, and donor centers, as well as for individual, non-professional, and over-the-counter use. It operates in North America, Europe, the Middle East, Africa, China, and internationally. The company was incorporated in 1979 and is headquartered in San Diego, California.

Fulgent Genetics, Inc., together with its subsidiaries, provides clinical diagnostic and therapeutic development solutions to physicians and patients in the United States and internationally. The company's clinical diagnostic solutions include molecular diagnostic testing; genetic testing; anatomic pathology laboratory tests and testing services, such as gastrointestinal pathology, dermatopathology, urologic pathology, breast pathology, neuropathology, and hematopathology; oncology tests and testing services; and sequencer services related to hereditary cancer, reproductive health, and other diseases. Its therapeutic development solutions focus on developing drug candidates for treating a range of cancers using a nanoencapsulation and targeted therapy platform to enhance the therapeutic window and pharmacokinetic profile of new and existing cancer drugs. The company operates picture genetics platform, which includes gene probes, data suppression and comparison algorithms, adaptive learning software, and proprietary laboratory information management systems that helps customers to identify health markers in their personal DNA. It serves insurance, hospitals, medical institutions, other laboratories, governmental bodies, payors, municipalities and large corporations, and patients. The company was formerly known as Fulgent Diagnostics, Inc. and changed its name to Fulgent Genetics, Inc. in August 2016. Fulgent Genetics, Inc. was founded in 2011 and is headquartered in El Monte, California.

Myriad Genetics, Inc., a genetic testing and precision medicine company, develops genetic tests in the United States and internationally. It offers molecular diagnostic tests for oncology, and women's and pharmacogenomics. It provides MyRisk Hereditary Cancer Test, a DNA sequencing test for assessing the risks for hereditary cancers; BRACAnalysis CDx Germline Companion Diagnostic Test, a DNA sequencing test to help determine the therapy for metastatic breast, ovarian, metastatic pancreatic, and metastatic prostate cancer with deleterious or suspected deleterious germline BRCA variants; and MyChoice CDx Companion Diagnostic Test, a tumor test that determines homologous recombination deficiency status with ovarian cancer. It offers Prolaris Prostate Cancer Prognostic Test, an RNA expression tumor analysis for assessing the aggressiveness of prostate cancer; EndoPredict Breast Cancer Prognostic Test, an RNA expression test for assessing the aggressiveness of breast cancer; Precise Tumor, a solution for precision oncology; and Prequel Prenatal Screen, a non-invasive prenatal screening test conducted using maternal blood to screen for severe chromosomal disorders in a fetus. It provides Foresight Carrier Screen, a prenatal test for future parents to assess their risk of passing on a recessive genetic condition to their offspring; SneakPeek, a non-invasive blood test that predicts the gender of a fetus; and GeneSight Psychotropic Mental Health Medication Test, a DNA genotyping test to aid psychotropic drug selection for depression, anxiety, attention-deficit, hyperactivity disorder, and other mental health conditions. It has a strategic collaboration with Illumina, Inc., Memorial Sloan Kettering Cancer Center, the University of Texas MD Anderson Cancer Center, SimonMed, Onsite Women's Health, and Flatiron Health, Inc.; and collaboration to study the use of MRD testing in breast cancer. The company was incorporated in 1992 and is headquartered in Salt Lake City, Utah.

Prenetics Global Limited, a health sciences company, focuses on advancing consumer and clinical health. The company's consumer initiatives is led by IM8, a new health and wellness brand. Its prevention arm, CircleDNA, uses next-generation sequencing (NGS) technology to offer comprehensive consumer DNA test. It also develops and commercializes multi-cancer early detection technologies. In addition, the company offers a range of genomic profiling panels tailored for requirements and clinician needs, including ACTOnco, ACT HRD, ACTFusion, and ACTDrug tests. Further, the company offers ACTLiquid Pro, a sequencing based liquid biopsy assay for pan-solid tumors; ACTMonitor, which provides real time monitoring of drug resistance, treatment response, and cancer recurrence; and ACT Risk, which manages the cancer risk. Additionally, it is involved in the sports distribution activities providing sports nutrition products to fitness facilities. The company operates in Taiwan, Hong Kong, the United Kingdom, and internationally. The company was founded in 2014 and is based in Quarry Bay, Hong Kong and has a presence in the United States.

OncoCyte Corporation, a precision diagnostics company, focuses on development and commercialization of proprietary tests in the United States and internationally. The company is developing DetermaIO, a gene expression test that assesses the tumor microenvironment to predict response to immunotherapies; DetermaCNI, a blood-based monitoring tool for monitoring therapeutic efficacy in cancer patients; and VitaGraft, a blood-based solid organ transplantation monitoring test. It also provides testing services for biomarker discovery, assay design and development, clinical trial support, and various biomarker tests. The company has a collaboration agreement with Bio-Rad Laboratories, Inc. (Bio-Rad) to collaborate in the development and the commercialization of research use only and in vitro diagnostics kitted transplant products using Bio-Rad's ddPCR instruments and reagents. OncoCyte Corporation was incorporated in 2009 and is based in Irvine, California.