Centerline sales service and engineering of precision machine tool spindles, high frequency spindles, motorized spindles, belt driven spindles and accessories, precision bearings and non-contact seals

HPT Precision Spindles & Drives Inc. is your source for high performance spindle motor systems. Designed for belt driven machine tools and milling equipment, our high frequency motors are certified for precision installations.

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Since 1965, SAGE has helped inform and educate a global community of scholars, practitioners, researchers, and students spanning a wide range of subject areas including business, humanities, social sciences, and science, technology, and medicine. An independent company, SAGE has principal offices in Los Angeles, London, New Delhi, Singapore and Washington DC .

InfoWorks Technology Company develops Internet security and privacy protection software, including Internet monitoring software, for home users and business. We have been providing software solutions to libraries for over 10 years. Our computer monitoring software, including Family Cyber Alert: parental control and keylogger, will record web sites, keystrokes, emails, chats, instant messenger, my

The Library of Congress. The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 120 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.