The company's principal activity is to manufacture and develop human and animal diagnostic antigens. It manufactures over thirty human antigens and tumor markers, which are used as standards and controls in diagnostic test kits, antibody purification and in research projects. The company develops products using purified proteins for diagnosis and treatment of animals. It also develops quine proteins to diagnose and treat problems or potential enhancements to fertility, lactation, thyroid and wounds. The company's products are human antigen, cea carcinoembryonic antigen, ungulate pregnancy test, insulin/pzi and equine proteins. The major customers of the company include biorad, golden west biologics and clinga.