This firm-fixed-price purchase order was awarded by the National Institute of Allergy and Infectious Diseases, part of the Department of Health and Human Services' National Institutes of Health, to Nikon Instruments Inc., a subsidiary of Nikon Corporation. The $403,743.81 contract is for the upgrade of Nikon equipment, including specialized microscopes, objectives, lenses, cameras, and software to facilitate biomedical research and healthcare programs. Nikon Instruments is a leading provider of advanced optical imaging systems and has received numerous prime and subcontract awards from federal agencies including the Department of Veterans Affairs, Department of Agriculture, and Department of Defense to supply microscopy equipment and services. This particular award does not utilize a set-aside designation.