National Agricultural Statistics Service -Collects agricultural statistics including the Census of Agriculture
National Cancer Institute - Documents cancer research and statistics
National Center for Education Statistics - U.S. Dept. of Education statistical branch
National Center for Health Statistics -Collects medical and health care statistics
National Climatic Data Center - Collects recent and historical climatic data
National Geophysical Data Center - Collects data on the ocean, land, atmosphere, and solar-terrestrial environments
National Highway Traffic Safety Administration - Collects statistics on motor vehicle and highway safety and fatalities
National Institute of Mental Health - Documents mental health trends and developments
National Institute on Alcohol Abuse & Alcoholism -Documents these medical conditions and related research
National Institute on Drug Abuse -Collects drug abuse statistics and conducts related research
National Marine Fisheries Service -Collects fishery statistics
NOAA Economics - Collects statistics on climate, commerce, ecosystems, water, weather, and transportation
National Oceanographic Data Center -Collects oceanographic & coastal data
National Protection & Programs Directorate -Dept. of Homeland Security division documenting statistics on terrorism and natural threats, community responses etc.
National Science Foundation Science Resources Statistics - Federal scientific program data