- American Ceramic Society
- American Iron and Steel Institute
- Association of American Ceramic Component Manufacturers (AACCM) focused on manufactured ceramic component quality and increasing public and industry education and awareness of ceramic applications.
- ChemConnect provides an extensive online chemical suppliers directory.
- Chemicalweb
- Chemical Online provides news, manufacturers, regulatory updates, employment, discussion forums, etc.
- Chemical Week news magazine with back issues, discussion groups, conferences, other links and more.
- IndustryLink is a source of a wide variety of commercial sites.
- MicroWorld Resources and News provides microscopy and microanalysis resources.
- Periodic Tables at BC.
- The Mineral Gallery has descriptions of minerals by name, class or grouping.
- Properties of Inorganic Boron Compounds
- Turner Moss Company Links to Composite Materials Sites.
- USGS - USGS Mineral Resources Program.
