Agriculture - farming, food, forestry, soil science, markets
Census - demographics, vital statistics (birth, marriage, death)
Commerce - industry, trade, businesses and companies
Defense - military
Economics - taxes, banking, forecasts and trends
Education - schools
Energy - fuels, alternative energy, pollution
Health & Human Services - welfare, medicine, nutrition, public safety
History - primary historical documents, speeches, images
Homeland Security - disaster planning, immigration, travel safety, anti-terrorism
Housing - urban planning and development
Interior - parks, environment, mining, natural resources, immigration
Justice - crime, prisons and jails, law enforcement
Labor - unions, labor force, wages, unemployment
Transportation - highways, trains, air and water travel
Treasury - IRS, mint, Secret Service