Keystone Industries, 52 King St, Myerstown, PA 17067, US

OraSure Technologies develops, manufactures and markets oral fluid specimen collection devices using proprietary oral fluid technologies and diagnostic products, including immunoassays and in vitro diagnostic tests. These products are sold in the United States as well as internationally to various clinical laboratories, hospitals, clinics, community-based organizations and other public health organizations, distributors, government agencies, physicians' offices, and commercial and industrial entities. OraSure Technologies is also a leading supplier of oral fluid collection devices and assays to the life insurance industry and public health markets for the detection of antibodies to HIV. In addition, it supplies oral fluid testing solutions for drugs of abuse testing. OraSure is headquartered in Bethlehem, Pa., and trades on the NASDAQ under the ticker symbol OSUR.