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Chemed Corporation provides hospice and palliative care services to patients through a network of physicians, registered nurses, home health aides, social workers, clergy, and volunteers primarily in the United States. The company operates in VITAS and Roto-Rooter segments. It offers plumbing, drain cleaning, excavation, water restoration, and other related services to residential and commercial customers through company-owned branches, independent contractors, and franchisees. The company was incorporated in 1970 and is headquartered in Cincinnati, Ohio.

Henry Schein, Inc. provides health care products and services to dental practitioners, laboratories, physician practices, and ambulatory surgery centers, government, institutional health care clinics, and other alternate care clinics worldwide. It operates through two segments, Health Care Distribution, and Technology and Value-Added Services. The Health Care Distribution segment offers dental products, including infection-control products, handpieces, preventatives, impression materials, composites, anesthetics, teeth, dental implants, gypsum, acrylics, articulators, abrasives, dental chairs, delivery units and lights, X-ray supplies and equipment, personal protective equipment, and high-tech and digital restoration equipment, as well as equipment repair services. This segment also provides medical products, such as branded and generic pharmaceuticals, vaccines, surgical products, diagnostic tests, infection-control products, X-ray products, equipment, and vitamins. The Technology and Value-Added Services segment offers software, technology, and other value-added services that include practice management software systems for dental and medical practitioners; and value-added practice solutions comprising practice consultancy, education, revenue cycle management and financial services, e-services, practice technology, and network and hardware services, as well as consulting, and continuing education services. Henry Schein, Inc. was founded in 1932 and is headquartered in Melville, New York.

QIAGEN N.V. offers sample to insight solutions that transform biological materials into molecular insights worldwide. The company provides primary sample technology consumables, such as nucleic stabilization and purification kits for primary sample materials, manual and automated processing for genotyping, gene expression, and viral and bacterial analysis, as well as silica membranes and magnetic bead technologies; secondary sample technology consumables, including kits and components for purification of nucleic acids from secondary sample materials; and instruments for nucleic acid purification and accessories. It also provides interferon-gamma release assay for TB testing, and assays for post-transplant testing and viral load monitoring; assays for prenatal testing and detection of sexually transmitted diseases and HPV, as well as assays for analysis of genomic variants, such as mutations, insertions, deletions, and fusions; and sample to insight instruments, including one-step molecular analysis of hard-to-diagnose syndromes, and integrated PCR testing. In addition, it offers PCR consumables, such as quantitative PCR, reverse transcription, and combinations kits for analysis of gene expression, genotyping and gene regulation, and running on QIAGEN instruments and technologies; human ID and forensics assay consumables, including STR assays for human ID, and assays for food contamination; PCR instruments consist of digital PCR and qPCR solutions; and developed and configured enzymes and PCR solutions. Further, the company provides predefined and custom NGS gene panels, library prep kits and components, and whole genome amplification; QIAGEN consumables and instruments, as well as bioinformatics solutions; and custom laboratory and genomic services. It serves molecular diagnostics, academia, pharmaceutical, and applied testing customers. The company was founded in 1984 and is headquartered in Venlo, the Netherlands.

Repligen Corporation develops and commercializes bioprocessing technologies and systems for use in biological drug manufacturing process in North America, Europe, the Asia Pacific, and internationally. It offers Protein A ligands that are the binding components of Protein A affinity chromatography resins; and cell culture growth factor products. The company's chromatography products include OPUS pre-packed chromatography columns, which are used in the purification of biologics; and OPUS smaller-scale columns that are used in the high throughput process development screening, viral clearance validation studies, and scale down validation of chromatography processes. It also offers ELISA test kits; and chromatography resins under the CaptivA brand. In addition, the company provides filtration products, such as XCell Alternating Tangential Flow systems that are filtration devices used in upstream perfusion and cell culture processing; TangenX flat sheet cassettes, which are used in downstream biologic drug concentration, buffer exchange, and formulation processes; KrosFlo tangential flow filtration and tangential flow depth filtration systems; Spectra/Por laboratory and process dialysis products, and ProConnex TFDF flow paths. Further, it provides process analytics products, such as slope spectroscopy systems under the SoloVPE, FlowVPE, and FlowVPX brands. The company sells its products to life sciences, biopharmaceutical, and diagnostics companies; laboratory researchers; and contract manufacturing organizations. Repligen Corporation has collaboration agreements with Navigo Proteins GmbH to develop multiple affinity ligands. The company was incorporated in 1981 and is headquartered in Waltham, Massachusetts.