General Engineering Associations
Martindale's Calculators On-Line Center Industrial Engineering Center (Website has Calculators, Applets, Spreadsheets, and may include: Courses, Manuals, Handbooks, Simulations, Animations, Videos, etc for industrial engineering.)
Defense Technical Information Center (DTIC). Indexes Defense Department information/literature and links to some full text resouces.
NASA Technical Report Server (NTRS) (Public access to NASA's diversity of resources)
Technical Report Archive & Image Library ( TRAIL) (A collaborative project to digitize, archive, and provide persistent and unrestricted access to federal technical reports issued prior to 1975.)