International Tungsten Industry Association The principal aims of the ITIA are to promote the use of tungsten and tungsten products, to provide a regular meeting forumand to collate comprehensive statistics covering tungsten production, processing, consumption and end-uses.
Minor Metal Trade Association Benefits and promotes the interests of its international membership, comprising companies actively involved in all aspects of the international trade of minor metals in all their various forms.
Midwest Tungsten Service manufacturer of resistance heated evaporation sources and materials for vacuum evaporation (vacuum metallizing). Website includes lots of information about tungsten, Tungsten wire and vacuum metallizing.
High Temp Metals Lots of Tungsten technical data, reactivity and information on Mechanical & Physical Properties of the Densimet Alloys.