Bio-Techne Corporation, together with its subsidiaries, develops, manufactures, and sells life science reagents, instruments, and services for the research, diagnostics, and bioprocessing markets worldwide. The company operates through two segments, Protein Sciences, and Diagnostics and Spatial Biology. The Protein Sciences segment develops and manufactures biological reagents used in various aspects of life science research, diagnostics, and cell and gene therapy, such as cytokines and growth factors, antibodies, small molecules, tissue culture sera, and cell selection technologies.