American Vacuum Society: Includes descriptions of the society's aims, online access to publications, administrative information, related news and information on conferences.
British Vacuum Council: The representative for Great Britain on the International Union for Vacuum Science, Technique and Application. As such it has a role to stimulate international collaboration in the fields of vacuum science, techniques and applications and related multi-disciplinary topics including solid-vacuum and other interfaces.
Building your own Vacuum pump: How to build your own Vacuum pump
Graphic Symbols for Vacuum Components: A handy indexed reference for examples of graphic symbols for components used in vacuum technology. Useful when constructing vacuum system schematics.
How Thermoses (Vacuum Flasks) Work: For inquisitive people howstuffworks.com tells about how thermoses work. You can find there other vacuum-based devices as vacuum cleaner and television.
International Union for Vacuum Science, Technique, and Applications: International meetings, conferences and workshops, educational opportunities, international awards and prizes.
Mc Nally Institute: An excellent resource with enormous amount of information for advanced vacuum users about pumps and seals (troubleshooting, specifications etc.)
Oxford Vacuum Science: Oxford Vacuum Science Ltd promotes good vacuum practice and understanding through the provision of training, design and consultancy services, and supply of bench-top thin film deposition research equipment.
The Bell Jar: Site of vacuum technology and techniques for students and amateur scientists. Articles; links; experiments.
The Society of Vacuum Coaters: Education and information about vacuum coating. Technical conferences, educational programs, publications.
Thermo Vacuum Generators: One of the worlds leading manufacturers of UHV components. On this web-site you will also find a lot of reference data on vacuum components (e.g. pumps, gauges, valves, flanges etc.) including their principles of operation.
Ultra High Vacuum: Describes what ultra high vacuum (UHV) is, why we need in it, how to get UHV.
Vacuüm Specials, The Netherlands: Specialised in the implementation, construction, manufacturing of components and subsystems and the realisation of complex projects on a turnkey basis regarding vacuum technology and cryogenic applications.
Vacuum Technology and Vacuum Coating Forum: Discuss subjects about vacuum physics, vacuum and coating systems, evaporation coating and sputtering technology.
Vacuum Technology Guide: Links to buyers guides, organizations, research, eZines and journals world-wide.
Vacuum Technology Lessons: Lessons and practical exercises on Vacuum Technology.
What is vacuum?: Nice web-site for beginners who want to know "what vacuum is"...