The NTIS Database produced by the National Technical Information Service, is the preeminent resource for accessing the latest U.S. government-sponsored research and worldwide scientific, technical, engineering, and business-related information. NTIS is the central source for the sale of unclassified and publicly available information from research reports, journal articles, data files, computer programs and audio visual products from Federal sources.

Additionally, information is available from international government departments and other international organizations including those from Canada, Japan, the former Soviet Union, Western and Eastern European countries.

Subject Coverage 
Major areas of coverage include:

• Administration & Management
• Aeronautics & Aerodynamics
• Agriculture
• Behavior & Society
• Business
• Chemistry
• Communications
• Computer Sciences
• Education
• Energy
• Engineering
• Environmental Sciences
• Health Care
• International Trade
• Library & Information Sciences
• Materials Sciences
• Mathematical Sciences
• Medicine
• Military Sciences
• Natural Resources & Earth Sciences
• Nuclear Science
• Physics
• Regulations
• Research Administration
• Technology
• Telecommunications
• Transportation