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ESCO Technologies Inc sells engineered products and systems for utility, industrial, aerospace, and commercial applications. The firm operates in three segments: Aerospace and Defense, Utility Solutions Group (USG), and Test. The Aerospace and Defense segment designs and manufactures specialty filtration and naval products. The USG segment provides diagnostic testing solutions. The Test segment provides its customers with the ability to identify, measure, and contain magnetic, electromagnetic, and acoustic energy.
Guardant Health, Inc, based in Redwood City, California, is a leader in liquid-based cancer tests for clinical and research use. The company offers Guardant360 LDT, a liquid biopsy test for treatment selection in advanced stage cancer, Guardant360 CDx, an FDA-approved companion diagnostic for several targeted therapies, and Guardant OMNI, a broader gene panel for immuno-oncology research. In 2021, Guardant launched Reveal, a tumor-agnostic molecular residual disease, or MRD, test. In 2024, the company received US FDA approval for Shield, a liquid biopsy for colorectal cancer, or CRC, screening. Additionally, Guardant offers research development services such as regulatory approval consultancy and clinical trial referrals.