Within the Department of Health and Human Services (HHS), eight agencies are designated components of the U.S. Public Health Service (PHS): (1) the Agency for Healthcare Research and Quality (AHRQ), (2) the Agency for Toxic Substances and Disease Registry (ATSDR), (3) the Centers for Disease Control and Prevention (CDC), (4) the Food and Drug Administration (FDA), (5) the Health Resources and Services Administration (HRSA), (6) the Indian Health Service (IHS), (7) the National Institutes of Health (NIH), and (8) the Substance Abuse and Mental Health Services Administration (SAMHSA). This report gives a brief overview of each agency and summarizes its funding for FY2010 through FY2013, as well as its FY2014 budget request.