Bio-Techne Corporation develops, manufactures, and sells life sciences tools, diagnostics, and reagents worldwide. The company operates in three segments: Protein Sciences, Diagnostics and Genomics, and Clinical Controls. The Protein Sciences segment offers proteins and reagent solutions, including cytokines and growth factors, antibodies, immunoassays, biologically active small molecule compounds, tissue culture reagents, and T-Cell activation technologies. The Diagnostics and Genomics segment provides blood chemistry and blood gas quality controls, hematology instrument controls, diagnostic immunoassays, and other bulk and custom reagents for the in vitro diagnostic market. The Clinical Controls segment offers a range of products comprising Thrombin Generation Assays, and quality controls and calibrators for various clinical instruments. The company was founded in 1976 and is headquartered in Minneapolis, Minnesota.