National Institutes of Health (HHS) (NIH)
HQ: Bethesda, MD
Other locations: 27 institutes and centers throughout MD; Research Triangle Park, NC; New York, NY; Boston, MA; Hamilton, MT; and Phoenix, AZ
Mission: To serve as the steward of medical and behavioral research for the United States. NIH acquires new knowledge to help prevent, detect, diagnose, and treat disease and disability. It conducts supportive and innovative laboratory research, trains research investigators, and disseminates medical and health sciences information.