Bio-Techne Corp. engages in the development, manufacture and sale of biotechnology reagents and instruments for the research and clinical diagnostic markets. It operates through the Protein Sciences, and Diagnostics and Genomics segments. The Protein Sciences segment develops and manufactures purified proteins, and reagent solutions. The Diagnostics and Genomics segment develops and manufactures diagnostic products. The company was founded in 1976 and is headquartered in Minneapolis, MN.