UD is classified as a research intensive university with very high research activity by the Carnegie Classification of Institutions of Higher Education.[7] The university's programs in engineering, science, business, hospitality management, education, urban affairs and public policy, public administration, agriculture, history, chemical and biomolecular engineering, chemistry and biochemistry have been highly ranked with some positive impact from the historically strong presence of the nation's chemical and pharmaceutical industries in the state of Delaware, such as DuPont and W. L. Gore and Associates. It is one of only four schools in North America with a major in art conservation.