Engineering Websites

Aluminum Association
American Association of State Highway and Transportation Officials (AASHTO)
American Institute of Steel Construction (AISC)
American National Standards Institute (ANSI)
American Society for Metals (ASM)
American Society for Testing and Materials (ASTM)
American Society of Civil Engineers (ASCE)
American Society of Mechanical Engineers (ASME)
American Welding Society (AWS)
Defence Science and Technology Organisation Australia (DSTO)
Deutsches Institut fuer Normung (DIN)
Lincoln Electric
Lincoln Electric Foundation
Society For the Advancement of Material and Process Engineering (SAMPE)
Society of Automotive Engineers (SAE)
The American Institute of Aeronautics and Astronautics (AIAA)
Aviation Safety Network
ATA
MAYA
FFA
Pilatus
Quartus
RUAG
SpaceX
VibrationData (vibration, quake)
Daniel Raymer's Aircraft Design
STINET - Scientific and Technical Information Network
ASSIST Quick Search
Weibull Database
Livermore Software Technology Corporation (LSTC)
Forest Products Laboratory
NASA/GSFC Mechanical Engineering Design References
AFGROW
Tribology-ABC (Engineering Calculators)
NASA Scientific and Technical Information (STI)
NACA Technical Report Server
NASA Technical Report Server