Natera, Inc., a diagnostics company, develops and commercializes molecular testing services worldwide. Its products include Panorama, a non-invasive prenatal test that screens for chromosomal abnormalities of a fetus, as well as in twin pregnancies; Horizon carrier screening test for individuals and couples determine if they are carriers of genetic variations that cause certain genetic conditions; Vistara single-gene NIPT screens for 25 single-gene disorders that cause severe skeletal, cardiac, and neurological conditions; Spectrum, preimplantation genetic tests for couples undergoing IVF; Anora that analyzes miscarriage tissue from women; Empower, a hereditary cancer screening test; and non-invasive prenatal paternity product, which allows a couple to establish paternity without waiting for the child to be born. The company also provides Signatera, a ctDNA blood test for molecular residual disease assessment and surveillance of disease recurrence in patients previously diagnosed with cancer; Altera, a tissue based comprehensive genomic profiling test; Prospera to assess active rejection in patients who have undergone kidney, heart, and lung transplantation; and Renasight, a kidney gene panel test. In addition, it offers Constellation, a cloud-based software product that enables laboratory customers to gain access through the cloud to the company's algorithms and bioinformatics to validate and launch tests. The company offers products through its direct sales force, as well as through a network of laboratory and distribution partners. It has a partnership agreement with BGI Genomics Co., Ltd. to develop, manufacture, and commercialize NGS-based genetic testing assays; and Foundation Medicine, Inc. to develop and commercialize personalized circulating tumor DNA monitoring assays. The company was founded in 2003 and is headquartered in Austin, Texas.

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.

Personalis, Inc. develops and markets advanced cancer genomic tests and analytics primarily in the United States, Europe, and the Asia-Pacific. Its tests and analytics are used by pharmaceutical companies for translational research, biomarker discovery, and development of personalized cancer therapies, as well as advanced tests are used by physicians to detect cancer recurrence, monitor cancer evolution, and uncover insights for therapy selection. The company offers NeXT Personal, a tumor-informed liquid biopsy test for detection of minimal residual disease (MRD) and recurrence in cancer; and ImmunoID NeXT, a tissue-based test that combines whole exome (DNA) and whole transcriptome (RNA) sequencing data with advanced analytics to provide a multi-dimensional view of the tumor and the tumor microenvironment from a single sample. It also provides NeXT Personal Dx, a tumor-informed liquid biopsy test for detection of MRD and recurrence in cancer; and NeXT Dx, a comprehensive tumor profiling test that unlocks the entire exome (DNA) and transcriptome (RNA) with matched tumor-normal analysis. In addition, the company performs whole exome sequencing (WES) of cancer tissue and matched blood samples for diagnostic companies as an input to their products; and whole genome sequencing (WGS) on human samples for research projects, such as population sequencing initiatives, as well as offers sequencing and data analysis services to support population sequencing initiatives. Its customers include pharmaceutical companies, biopharmaceutical companies, diagnostics companies, universities, non-profits, government entities, and patients. The company was incorporated in 2011 and is headquartered in Fremont, California.

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.

Biodesix, Inc. operates as a data-driven diagnostic solutions company in the United States. The company offers blood-based lung tests, including Nodify XL2 and Nodify CDT tests, together marketed as part of Nodify Lung Nodule Risk Assessment testing strategy, to assess the risk of lung cancer and help in identifying the appropriate treatment pathway and help physicians in reclassifying risk of malignancy in patients with suspicious lung nodules. It also provides GeneStrat ddPCR and NGS, and VeriStrat tests, which are used in the diagnosis of lung cancer to measure the presence of mutations in the tumor and the state of the patient's immune system to establish the patient's prognosis and help guide treatment decisions. In addition, the company, through its partnership with Bio-Rad Laboratories, Inc., provides Bio-Rad SARS-CoV-2 ddPCR, a COVID-19 Test under Biodesix WorkSafe testing program; and Platelia SARS-CoV-2 Total Ab test, an antibody test for detecting a B-cell immune response to SARS-CoV-2 that indicate recent or prior infection. Further, it offers diagnostic and clinical research, as well as clinical trial testing services to biopharmaceutical companies; and discovers, develops, and commercializes companion diagnostics. The company was formerly known as Elston Technologies, Inc. and as changed to Biodesix, Inc. in 2006. Biodesix, Inc. was incorporated in 2005 and is headquartered in Louisville, Colorado.

Co-Diagnostics, Inc., a molecular diagnostics company, develops, manufactures, and sells reagents used for diagnostic tests that function through the detection and/or analysis of nucleic acid molecules in the United States and internationally. The company offers Co-Dx PCR platform, a polymerase chain reaction (PCR) testing to patients in point-of-care and at-home setting. It also provides PCR diagnostic tests for COVID-19, influenza, tuberculosis, hepatitis B and C, human papillomavirus, malaria, chikungunya, dengue, and the zika virus. In addition, the company offers three multiplexed tests to test mosquitos for the identification of diseases carried by the mosquitos; molecular tools for detection of infectious diseases, liquid biopsy for cancer screening, and agricultural applications; tests that identify genetic traits in plant and animal genomes; and portable diagnostic device designed to bring PCR to patients in point-of-care and at-home settings. The company was incorporated in 2013 and is headquartered in Salt Lake City, Utah.

Virax Biolabs Group Limited, a biotechnology company, distributes, markets, and sells diagnostics test kits for the prevention, detection, diagnosis, and risk management of viral diseases in the field of immunology. The company provides rapid antibody IgC/IgM tests, antigen tests, polymerase chain reaction rapid tests, and neutralizing antibody tests under the ViraxClear brand name. It also develops T-Cell IVD test kit for COVID-19, which intend to adapt for immunological profiling against multiple viral threats under the ViraxImmune Brand, as well as a proprietary mobile application for ViraxImmune that presents an individual's immunological profiling data and provide advice on the users' immune system. It serves clinics, pharmacies, laboratories, hospitals, and other groups, as well as corporations, pharmaceutical companies, research institutions, hospital systems, and public and private institutions. The company operates in Europe, South America, the Asia Pacific, Sub-Saharan Africa, and internationally. The company was formerly known as Virax Biolabs (Cayman) Limited and changed its name to Virax Biolabs Group Limited in September 2021. Virax Biolabs Group Limited was founded in 2013 and is headquartered in Lanarkshire, the United Kingdom.