Illumina, Inc. offers sequencing- and array-based solutions for genetic and genomic analysis in the United States, Singapore, the United Kingdom, and internationally. It operates through Core Illumina and GRAIL segments. The company offers sequencing and array-based instruments and consumables, which include reagents, flow cells, and library preparation; whole-genome sequencing kits, which sequence entire genomes of various size and complexity; and targeted resequencing kits, which sequence exomes, specific genes, and RNA or other genomic regions of interest. It also provides whole-genome sequencing, genotyping, noninvasive prenatal testing, and product support services; and Galleri, a multi-cancer early detection test. In addition, the company is developing solutions to help accelerate cancer diagnoses, blood-based detection for minimal residual disease, and other post-diagnostic applications. The company serves genomic research centers, academic institutions, government laboratories, and hospitals, as well as pharmaceutical, biotechnology, commercial molecular diagnostic laboratories, and consumer genomics companies. It markets and distributes its products directly to customers, as well as through life-science distributors. Illumina, Inc. was incorporated in 1998 and is based in San Diego, California.

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.

GRAIL, Inc., a biotechnology company, focuses on developing technologies for early cancer detection. The company develops Galleri, a screening test for asymptomatic individuals over 50 years of age; and DAC, a diagnostic aid for cancer tests to accelerate diagnostic resolution for patients for whom there is a clinical suspicion of cancer. It is also developing minimal residual disease and other post-diagnostic tests. The company was incorporated in 2015 and is based in Menlo Park, California. GRAIL, Inc. operates as a former subsidiary of Illumina, Inc.

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.

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.

Cardiff Oncology, Inc., a clinical-stage biotechnology company, develops novel therapies to treat various cancers in California. Its lead drug candidate is onvansertib, an oral selective Polo-like Kinase 1 Inhibitor to treatment a range of solid tumor cancers and KRAS/NRAS-mutated metastatic colorectal and metastatic pancreatic cancer, as well as investigator-initiated trials in triple negative breast cancer and small cell lung cancer; and TROV-054 is a Phase 1b/2 for FOLFIRI and bevacizumab. The company primarily serves pharmaceutical manufacturers. The company was formerly known as Trovagene, Inc. and changed its name to Cardiff Oncology, Inc. in May 2012. Cardiff Oncology, Inc. was incorporated in 1999 and is headquartered in San Diego, 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.