The Vermiculite Institute
Organized by vermiculite mining companies, processors, and users to promote the many uses of vermiculite and to address concerns about the health and safety of using vermiculite.
http://www.vermiculiteinstitute.org

The Vermiculite Association
TVA - The Vermiculite Association - International trade association representing vermiculite mining companies, vermiculite processors, vermiculite sales agents and brokers, vermiculite application specialists, equipment suppliers to the vermiculite industry, and vermiculite technical consultants.
http://www.vermiculite.org

LAF Group
Provides mineral based fire protection systems using vermiculite, perlite, and their derivatives. Also has contracting division. Located in Greenacre, NSW, Australia.
http://www.lafgroup.com

Hoben International
Manufacturers of investment casting powders, waxes, equipment and consumables for jewellery casting, industrial casting, precision casting, refractories, friction and dental industries.
http://www.hoben.co.uk/