List of research universities in the United States

This is a list of universities in the United States classified among research universities in the Carnegie Classification of Institutions of Higher Education. This defines research institutions as those that spend more than $2.5 million on research and development, and assigns these institutions to one of three research designations based on total research expenditures and (for the higher two designations) production of research doctorates.

Source: Wikipedia — List of research universities in the United States (CC BY-SA 4.0)