National Institute of Standards and Technology (NIST) is a physical science laboratory and non-regulatory federal agency within the U.S. Department of Commerce. It conducts research in the areas of engineering, physical measurement, information technology, material measurement, nanoscale science and technology, and neutron research. NIST offers a range of products and services, including calibrations, computer security, databases, laboratory accreditation, measurement, standard reference, traceability, etc.