Supporting the nation's economic growth by providing access to information, National Technical Information Service is one of the largest central resources for government-funded scientific, technical, engineering and business related information. Here, clients will find information on more than 600,000 information products covering over 350 subject areas from more than 200 federal agencies. For more than 50 years it has provided businesses, universities, and the public timely access to more than 3 million publications covering over 350 subject areas. The National Audiovisual Center division is a unique centralized resource for federally developed training and educational materials and includes more than 9,000 audiovisual and media productions. Its offices are in Springfield, Va.