Clinical Laboratory in Virginia

Immudex is a life sciences reagent manufacturer specializing in flow cytometry and immune cell analysis tools for research and clinical applications. The company develops and supplies Dextramer® technology products—multimeric MHC-peptide complexes—for detection and characterization of antigen-specific T cells, B cells, non-conventional T cells, and CAR-T cells. Core product lines include MHC I and II Dextramers for flow cytometry, custom MHC allele solutions, disease-specific panels (infectious disease, autoimmunity, immuno-oncology), Klickmer® technology for next-generation sequencing and multi-omics applications, and Xynapse™ reagents for T cell activation and stimulation. The company also offers GMP-grade Dextramer® and MHC monomer reagents for clinical lot-release testing of cell therapies, supporting development of TCR-T and CAR-T immunotherapies. Immudex provides custom services including custom alleles, TCR discovery solutions, pMHC binding screening, and CAR Dextramer® development. Applications span vaccine development, cell therapy characterization, infectious disease monitoring, transplantation immune surveillance, and antibody discovery. Products are used in both academic research and pharmaceutical/biotech development. The company maintains headquarters in Virum, Denmark and a US corporate office in Fairfax, Virginia, with a visiting location in Philadelphia.

TECHLAB, Inc. is a leading developer, manufacturer, and distributor of rapid, non-invasive diagnostic tests for gastrointestinal and infectious diseases. Founded in 1989 and headquartered in Blacksburg, Virginia, with manufacturing operations in Radford, Virginia, TECHLAB specializes in point-of-care and laboratory diagnostics for enteric pathogens, respiratory infections, and intestinal inflammation markers. The company's proprietary QUIK CHEK® technology delivers accurate results in under 30 minutes. Product portfolio includes rapid diagnostic assays for C. difficile (including toxin detection), foodborne pathogens (E. coli, Shiga toxin), parasitic infections, H. pylori, fecal biomarkers of intestinal inflammation (lactoferrin), and respiratory pathogens (S. pneumoniae, L. pneumophila). All products are manufactured in the United States under ISO MDSAP certification and FDA registration. TECHLAB also provides contract manufacturing and contract research services for diagnostic product development. With approximately 144–150 employees and annual revenue of $23.7 million, the company distributes diagnostics globally to clinical laboratories, hospitals, and healthcare providers.